{"id":4177,"date":"2026-08-31T12:26:02","date_gmt":"2026-08-31T12:26:02","guid":{"rendered":"https:\/\/alpexsolar.com\/resources\/?p=4177"},"modified":"2026-09-11T07:19:27","modified_gmt":"2026-09-11T07:19:27","slug":"solar-rooftop-calculator","status":"publish","type":"post","link":"https:\/\/alpexsolar.com\/resources\/blog\/solar-rooftop-calculator\/","title":{"rendered":"Solar Rooftop Calculator \u2014 Estimate Your Solar System Size, Cost &#038; Savings"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right-small:0px;--awb-padding-left-small:0px;--awb-margin-top:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:1260px;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\" style=\"--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-1 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-2\" style=\"--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-2 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:15px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Key Summary<\/b><\/h2><\/h2><\/div><ul style=\"--awb-item-padding-top:10px;--awb-item-padding-left:25px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:hsla(var(--awb-color4-h),var(--awb-color4-s),var(--awb-color4-l),calc(var(--awb-color4-a) - 90%));--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-1 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>Instant, No-Wait Estimates:<\/b><span style=\"font-weight: 400;\"> Alpex&#8217;s solar rooftop calculator turns your monthly electricity bill and location into a personalised estimate of system size, installation cost, subsidy, and monthly savings in under a minute, before you ever speak to an installer.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>What You Get:<\/b><span style=\"font-weight: 400;\"> Results cover recommended capacity in kW, cost before and after subsidy, expected monthly generation in units, monthly and annual savings, and payback period, all mapped to the decisions you make later with an installer.<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>Transparent, Real-Equipment Method:<\/b><span style=\"font-weight: 400;\"> The tool converts your bill into estimated consumption, factors in your state&#8217;s sun-hours, applies current per-kW pricing and live <a href=\"http:\/\/alpexsolar.com\/resources\/blog\/pm-surya-ghar-muft-bijli-yojana-rooftop-solar-guide\/\">PM Surya Ghar subsidy slabs<\/a>, and bases figures on Alpex&#8217;s own ALMM, BIS, and DCR listed panels rather than generic averages.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>Subsidy and Next Steps:<\/b><span style=\"font-weight: 400;\"> PM Surya Ghar offers \u20b930,000 per kW for the first 2 kW plus \u20b918,000 for the third kW, capping at \u20b978,000 for 3 kW or larger systems. The estimate is a starting point, not a final quote, which needs a site survey to confirm shading, roof structure, and capacity.<\/span><\/div><\/li><\/ul><div class=\"fusion-text fusion-text-3 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Most homeowners start thinking about solar with the same two questions: what size system do I actually need, and what will it cost me? The honest answer is usually &#8220;it depends,&#8221; and until now getting a real number meant waiting for an installer to call you back. Alpex&#8217;s solar rooftop calculator skips that wait. Enter your electricity bill and location, and you get a personalised estimate of your system size, installation cost, subsidy, and monthly savings in under a minute, before you talk to anyone.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-3 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-2 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>What Is a Solar Rooftop Calculator?<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-4 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">A solar rooftop calculator is an online tool that turns a few basic details, mainly your monthly electricity bill and where you live, into an estimate of the solar system that would suit your home. It works out the recommended capacity in kilowatts (kW), the likely installation cost, the government subsidy you qualify for, and how much you could save each month.<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-5 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">One thing worth being upfront about: this is an estimate, not a final design. Your roof&#8217;s actual shading, orientation, and structure can only be confirmed by a site visit. Think of the calculator as a solid starting point that saves you a few conversations, not the last word on your project.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-4 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top:0px;--awb-padding-right:0px;--awb-padding-bottom:0px;--awb-padding-left:0px;--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-0 fusion_builder_column_inner_2_3 2_3 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top:10px;--awb-padding-bottom:20px;--awb-padding-top-small:36px;--awb-padding-bottom-small:40px;--awb-bg-color:var(--awb-color4);--awb-bg-color-hover:var(--awb-color4);--awb-bg-position:center center;--awb-bg-size:cover;--awb-transition:filter 300ms ease-in, transform 300ms ease-in, background-color 300ms ease-in, border-color 300ms ease-in;--awb-width-large:66.666666666667%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-3 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-bottom:10px;--awb-margin-left:20px;--awb-font-size:22px;\"><div class=\"fusion-title-heading title-heading-left title-heading-tag sm-text-align-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Work Sans&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;letter-spacing:1px;text-transform:uppercase;--fontSize:22;--minFontSize:22;line-height:1.59;\">Start Saving On Energy Bills Now!<\/div><\/div><div class=\"sm-text-align-center\"><a class=\"fusion-button button-flat fusion-button-default-size button-custom fusion-button-default button-1 fusion-button-default-span fusion-button-default-type fusion-has-button-gradient\" style=\"--button_accent_color:#000000;--button_border_color:#000000;--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:#ffffff;--button_gradient_bottom_color:#ffffff;--button_gradient_top_color_hover:#000000;--button_gradient_bottom_color_hover:#333333;--button_font_size:14px;--button_padding-top:10px;--button_padding-right:35px;--button_padding-bottom:10px;--button_padding-left:35px;--button_margin-bottom:0px;--button_margin-left:22px;\" target=\"_self\" href=\"#FORM\"><span class=\"fusion-button-text\">Request Free Consultation<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-1 fusion_builder_column_inner_1_3 1_3 fusion-flex-column fusion-flex-align-self-stretch fusion-no-small-visibility\" style=\"--awb-padding-top:0px;--awb-padding-left:0px;--awb-bg-color:var(--awb-color4);--awb-bg-color-hover:var(--awb-color4);--awb-bg-size:cover;--awb-width-large:33.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-1 hover-type-none\"><img decoding=\"async\" width=\"349\" height=\"123\" src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/Untitled-349-x-123-px.png\" data-orig-src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/Untitled-349-x-123-px.png\" alt class=\"lazyload img-responsive wp-image-2840\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27349%27%20height%3D%27123%27%20viewBox%3D%270%200%20349%20123%27%3E%3Crect%20width%3D%27349%27%20height%3D%27123%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/Untitled-349-x-123-px-200x70.png 200w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/Untitled-349-x-123-px.png 349w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 800px) 100vw, 349px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-5 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-no-medium-visibility fusion-no-large-visibility fusion-animated\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:40px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\" data-animationType=\"revealInLeft\" data-animationDuration=\"1.7\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-2 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-bottom:30px;--awb-padding-top-small:12px;--awb-padding-bottom-small:28px;--awb-bg-color:var(--awb-color4);--awb-bg-color-hover:var(--awb-color4);--awb-bg-position:center center;--awb-bg-size:cover;--awb-transition:filter 300ms ease-in, transform 300ms ease-in, background-color 300ms ease-in, border-color 300ms ease-in;--awb-width-large:65%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-center fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-4 fusion-sep-none fusion-title-text fusion-title-size-div\" style=\"--awb-text-color:var(--awb-color1);--awb-margin-top:30px;--awb-margin-bottom:25px;--awb-margin-left:20px;--awb-font-size:24px;\"><div class=\"fusion-title-heading title-heading-left title-heading-tag sm-text-align-center fusion-responsive-typography-calculated\" style=\"font-family:&quot;Work Sans&quot;;font-style:normal;font-weight:600;margin:0;font-size:1em;letter-spacing:1px;text-transform:uppercase;--fontSize:24;line-height:1.67;\"><p style=\"text-align: center;\">We MANUFACTURE. We INSTALL.<br \/>\nNo Middleman. No False Warranties.<\/p><\/div><\/div><div class=\"sm-text-align-center\"><a class=\"fusion-button button-flat fusion-button-default-size button-custom fusion-button-default button-2 fusion-button-default-span fusion-button-default-type fusion-has-button-gradient\" style=\"--button_accent_color:#000000;--button_border_color:#000000;--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:#ffffff;--button_gradient_bottom_color:#ffffff;--button_gradient_top_color_hover:#000000;--button_gradient_bottom_color_hover:#333333;--button_font_size:14px;--button_padding-top:13px;--button_padding-right:42px;--button_padding-bottom:13px;--button_padding-left:42px;--button_margin-left:22px;\" target=\"_self\" href=\"https:\/\/alpexsolar.com\/home\/contact_us\"><span class=\"fusion-button-text\">Request Free Consultation<\/span><\/a><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-3 fusion-flex-column fusion-flex-align-self-stretch fusion-no-small-visibility\" style=\"--awb-padding-top:36px;--awb-padding-right:36px;--awb-padding-bottom:36px;--awb-padding-left:36px;--awb-bg-color:#a7f0ba;--awb-bg-color-hover:#a7f0ba;--awb-bg-size:cover;--awb-width-large:35%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper lazyload fusion-column-has-shadow fusion-flex-justify-content-space-between fusion-content-layout-column fusion-empty-column-bg-image fusion-column-has-bg-image\" data-bg-url=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/AlpexBlogs800by600-1.jpeg\" data-bg=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/AlpexBlogs800by600-1.jpeg\"><img decoding=\"async\" class=\"fusion-empty-dims-img-placeholder\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27800%27%20height%3D%27600%27%20viewBox%3D%270%200%20800%20600%27%3E%3Crect%20width%3D%27800%27%20height%3D%27600%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\"><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-6 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:25px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-5 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:15px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>How to Use the Calculator \u2014 Step by Step<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-6 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Using it takes less time than reading this paragraph.<\/span><\/p>\n<\/div><ul style=\"--awb-item-padding-top:10px;--awb-item-padding-left:25px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:hsla(var(--awb-color4-h),var(--awb-color4-s),var(--awb-color4-l),calc(var(--awb-color4-a) - 90%));--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-2 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>Enter your average monthly electricity bill or units consumed: <\/b><span style=\"font-weight: 400;\">This tells the calculator roughly how much power your home uses.<\/span><\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>Select your state or location:<\/b><span style=\"font-weight: 400;\"> Sunlight hours and subsidy amounts both vary by region, so this step matters.<\/span><\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>(Optional) Enter your available roof area:<\/b><span style=\"font-weight: 400;\"> Adding this sharpens the recommendation, though it isn&#8217;t required to get a first estimate.<\/span><\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>View your results instantly<\/b><span style=\"font-weight: 400;\">: Recommended system size, cost, subsidy, and expected savings, all on the same screen.<\/span><\/div><\/li><\/ul><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-7 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-6 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>What the Calculator Shows You<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-7 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Once you submit your details, the calculator returns a set of results that map directly to the decisions you&#8217;ll eventually make with an installer:<\/span><\/p>\n<\/div><ul style=\"--awb-item-padding-top:10px;--awb-item-padding-left:25px;--awb-iconcolor:var(--awb-color4);--awb-line-height:27.2px;--awb-icon-width:27.2px;--awb-icon-height:27.2px;--awb-icon-margin:11.2px;--awb-content-margin:38.4px;--awb-circlecolor:hsla(var(--awb-color4-h),var(--awb-color4-s),var(--awb-color4-l),calc(var(--awb-color4-a) - 90%));--awb-circle-yes-font-size:14.08px;\" class=\"fusion-checklist fusion-checklist-3 type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>Recommended system size (kW):<\/b><span style=\"font-weight: 400;\"> the capacity best suited to your consumption pattern.<\/span><\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>Estimated cost, before and after subsidy:<\/b><span style=\"font-weight: 400;\"> so you can see the real number you&#8217;d be paying.<\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>Expected power generation in kWh (units) per month:<\/b><span style=\"font-weight: 400;\"> in kWh (units) per month: this is where things get location-specific, since a system in a sunnier state will generate more units for the same capacity than one in a region with fewer clear-sky days. How much of the sun&#8217;s energy each panel converts also depends on <\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-panel-efficiency\/\"><span style=\"font-weight: 400;\">solar panel efficiency<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\"><b>Expected monthly and annual savings<\/b><span style=\"font-weight: 400;\">, based on your current electricity rate.<\/span><\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-yes\"><i class=\"fusion-li-icon awb-magazine-angle-right-solid\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p><b>Payback period:<\/b><span style=\"font-weight: 400;\"> roughly how long it takes for your savings to cover the upfront cost.<\/span><\/p>\n<\/div><\/li><\/ul><div class=\"fusion-text fusion-text-8 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Because generation depends on your state&#8217;s average sun-hours and how much shading your roof gets, two homes with identical bills in different cities can get slightly different recommendations. That&#8217;s expected, not an error.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-8 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:11px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-7 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>How the Estimate Is Calculated<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-9 fusion-text-no-margin\" style=\"--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">The logic behind the numbers is fairly simple. Your monthly bill is first converted into an estimated consumption figure. That figure, combined with the average sun-hours for your state, gives a <\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-panel-installation-cost-home\/\"><span style=\"font-weight: 400;\">recommended system size in kW<\/span><\/a><span style=\"font-weight: 400;\">. From there, the calculator applies current per-kW installation pricing to arrive at a cost estimate, and applies the latest PM Surya Ghar subsidy slabs to show what you&#8217;d pay after government support.<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-10 fusion-text-no-margin\" style=\"--awb-margin-top:20px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">This is broadly the same approach used by the official government calculator and most other tools in this space. There&#8217;s no hidden formula here, which is really the point: a transparent method is easier to trust than a black box that just spits out a number.<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-11 fusion-text-no-margin\" style=\"--awb-margin-top:20px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Once you know your recommended size, you can see the full cost breakdown for that capacity:<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/1-kw-solar-panel\/\"> <span style=\"font-weight: 400;\">1kW<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/2-kw-solar-panel\/\"> <span style=\"font-weight: 400;\">2kW<\/span><\/a><span style=\"font-weight: 400;\">,<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/100-kw-solar-panel-cost\/\"> <span style=\"font-weight: 400;\">100kW<\/span><\/a><span style=\"font-weight: 400;\">, or<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/1-mw-solar-power-plant-cost-india\/\"> <span style=\"font-weight: 400;\">1MW<\/span><\/a><span style=\"font-weight: 400;\"> for large projects.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-9 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-4 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-top:35px;--awb-padding-bottom:35px;--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:10px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:10px;--awb-spacing-left-medium:0px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-color:hsla(var(--awb-color1-h),var(--awb-color1-s),var(--awb-color1-l),calc(var(--awb-color1-a) - 100%));--awb-caption-overlay-color:var(--awb-color8);--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-2 hover-type-zoomin\" style=\"border:1px solid var(--awb-color3);\"><img decoding=\"async\" width=\"720\" height=\"540\" title=\"image 022 (1)\" src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1.webp\" data-orig-src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1.webp\" alt class=\"lazyload img-responsive wp-image-4139\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27720%27%20height%3D%27540%27%20viewBox%3D%270%200%20720%20540%27%3E%3Crect%20width%3D%27720%27%20height%3D%27540%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1-200x150.webp 200w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1-300x225.webp 300w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1-400x300.webp 400w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1-600x450.webp 600w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-1.webp 720w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 800px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-5 fusion_builder_column_inner_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-top:35px;--awb-padding-bottom:35px;--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:0px;--awb-spacing-right-large:0px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:10px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0px;--awb-spacing-left-medium:10px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-image-element \" style=\"--awb-caption-title-color:hsla(var(--awb-color1-h),var(--awb-color1-s),var(--awb-color1-l),calc(var(--awb-color1-a) - 100%));--awb-caption-overlay-color:hsla(var(--awb-color8-h),var(--awb-color8-s),var(--awb-color8-l),calc(var(--awb-color8-a) - 50%));--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-3 hover-type-zoomin\" style=\"border:1px solid var(--awb-color3);\"><img decoding=\"async\" width=\"720\" height=\"540\" title=\"image 022\" src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022.webp\" data-orig-src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022.webp\" alt class=\"lazyload img-responsive wp-image-4140\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27720%27%20height%3D%27540%27%20viewBox%3D%270%200%20720%20540%27%3E%3Crect%20width%3D%27720%27%20height%3D%27540%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-200x150.webp 200w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-300x225.webp 300w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-400x300.webp 400w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022-600x450.webp 600w, https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2026\/06\/image-022.webp 720w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 800px) 100vw, 600px\" \/><\/span><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-10 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-8 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Why Use Alpex&#8217;s Calculator<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-12 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">The estimates you see here are built on<\/span><a href=\"https:\/\/alpexsolar.com\/products\/pv_modules\"> <span style=\"font-weight: 400;\">Alpex&#8217;s own panel specifications<\/span><\/a><span style=\"font-weight: 400;\">, which are ALMM (Approved List of Models and Manufacturers), BIS (Bureau of Indian Standards), and DCR (Domestic Content Requirement) listed, rather than generic industry averages pulled from nowhere in particular. That means the numbers reflect equipment you could actually end up installing, not a hypothetical average panel.<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-13 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">If the estimate looks promising, the natural next step is a<\/span><a href=\"https:\/\/alpexsolar.com\/home\/contact_us\"> <span style=\"font-weight: 400;\">free site survey or a quote request<\/span><\/a><span style=\"font-weight: 400;\">. There&#8217;s no obligation attached to using the calculator itself; it&#8217;s simply meant to give you a realistic starting number before you decide whether to go further.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-11 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:15px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-9 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Government Subsidy on Rooftop Solar<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-14\" style=\"--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">Under the PM Surya Ghar Muft Bijli Yojana, the central government provides a capacity-based subsidy for residential rooftop solar. As things currently stand, you receive \u20b930,000 per kW for the first 2 kW of capacity, and an additional \u20b918,000 for the third kW, which brings the subsidy to a maximum of \u20b978,000 for systems of 3 kW or larger. Systems above 3 kW don&#8217;t receive extra subsidy beyond this cap, though<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-subsidy-in-maharashtra\/\"> <span style=\"font-weight: 400;\">some states add their own top-up<\/span><\/a><span style=\"font-weight: 400;\"> on top of the central amount (see<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-subsidy-in-maharashtra\/\"> <span style=\"font-weight: 400;\">Maharashtra<\/span><\/a><span style=\"font-weight: 400;\"> and<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-subsidy-in-gujarat-benefits-eligibility-and-how-to-apply\/\"> <span style=\"font-weight: 400;\">Gujarat<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/p>\n<\/div><div class=\"fusion-text fusion-text-15 fusion-text-no-margin\" style=\"--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">If you want to see the official version of this tool, the government runs its own<\/span><a href=\"https:\/\/pmsuryaghar.gov.in\/rooftop_calculator\"> <span style=\"font-weight: 400;\">National Portal for Rooftop Solar Calculator<\/span><\/a><span style=\"font-weight: 400;\"> at pmsuryaghar.gov.in, and it&#8217;s worth a look for cross-checking your numbers. For a full breakdown of eligibility, documents, and the application process,<\/span><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/pm-surya-ghar-muft-bijli-yojana-rooftop-solar-guide\/\"> <span style=\"font-weight: 400;\">Alpex&#8217;s PM Surya Ghar guide<\/span><\/a><span style=\"font-weight: 400;\"> covers it in detail.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-12 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-10 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Ready to See Your Numbers?<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-16 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><span style=\"font-weight: 400;\">In under a minute, the calculator gives you a personalised starting point: system size, cost, subsidy, and savings, all in one place. From there, the next step is entirely up to you. Try the calculator above, or if you&#8217;d rather skip straight to an exact number,<\/span><a href=\"https:\/\/alpexsolar.com\/home\/contact_us\"> <span style=\"font-weight: 400;\">request a free site survey<\/span><\/a><span style=\"font-weight: 400;\"> and get a quote built around your actual roof.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-13 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:20px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-11 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:0px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Related Guides<\/b><\/h2><\/h2><\/div><div class=\"fusion-text fusion-text-17 fusion-text-no-margin\" style=\"--awb-margin-top:10px;--awb-text-font-family:&quot;DM Sans&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><ul>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-panel-installation-cost-home\/\"><i><\/i><i><span style=\"font-weight: 400;\">Cost of Solar Panel Installation for Home in India<\/span><\/i><\/a><\/li>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/pm-surya-ghar-muft-bijli-yojana-rooftop-solar-guide\/\"><i><\/i><i><span style=\"font-weight: 400;\">PM Surya Ghar Muft Bijli Yojana: Complete Guide<\/span><\/i><\/a><\/li>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/1-kw-solar-panel\/\"><i><\/i><i><span style=\"font-weight: 400;\">1kW Solar Panel: Price, Subsidy &amp; Space<\/span><\/i><\/a><\/li>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/2-kw-solar-panel\/\"><i><\/i><i><span style=\"font-weight: 400;\">2kW Solar Plant Price in India<\/span><\/i><\/a><\/li>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/resources\/blog\/net-metering-solar-india\/\"><i><\/i><i><span style=\"font-weight: 400;\">Net Metering: How It Cuts Your Bill<\/span><\/i><\/a><\/li>\n<li><i><\/i><i><span style=\"font-weight: 400;\"> &nbsp; <\/span><\/i><a href=\"https:\/\/alpexsolar.com\/solutions\/solar-panels-for-home\"><i><\/i><i><span style=\"font-weight: 400;\">Solar Power for Home<\/span><\/i><\/a><\/li>\n<\/ul>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-14 fusion_builder_column_1_2 1_2 fusion-flex-column fusion-flex-align-self-stretch\" style=\"--awb-padding-top-small:100px;--awb-padding-bottom-small:100px;--awb-bg-position:center center;--awb-bg-size:cover;--awb-width-large:50%;--awb-margin-top-large:20px;--awb-spacing-right-large:0%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:70px;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:0%;--awb-spacing-left-medium:70px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper lazyload fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column fusion-empty-column-bg-image fusion-column-has-bg-image\" data-bg-url=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/09\/Untitleddesign-2024-09-05T184343.91.jpeg\" data-bg=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/09\/Untitleddesign-2024-09-05T184343.91.jpeg\"><img decoding=\"async\" class=\"fusion-empty-dims-img-placeholder\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27898%27%20viewBox%3D%270%200%201500%20898%27%3E%3Crect%20width%3D%271500%27%20height%3D%27898%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\"><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-15 fusion_builder_column_1_2 1_2 fusion-flex-column\" style=\"--awb-padding-top:35px;--awb-padding-right:60px;--awb-padding-bottom:35px;--awb-padding-left:56px;--awb-bg-size:cover;--awb-box-shadow:0px 10px 30px 10px hsla(var(--awb-color8-h),var(--awb-color8-s),calc(var(--awb-color8-l) - 10%),calc(var(--awb-color8-a) - 90%));;--awb-width-large:50%;--awb-margin-top-large:20px;--awb-spacing-right-large:80px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0%;--awb-width-medium:50%;--awb-order-medium:0;--awb-spacing-right-medium:80px;--awb-spacing-left-medium:0%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-12 fusion-sep-none fusion-title-center fusion-title-text fusion-title-size-three\" style=\"--awb-margin-bottom-small:40px;--awb-font-size:23px;\"><h3 class=\"fusion-title-heading title-heading-center\" style=\"margin:0;font-size:1em;text-transform:capitalize;\">FREE SOLAR <span style=\"color: #ff6600;\">EXPERT CONSULTATION<\/span><\/h3><\/div><div class=\"fusion-menu-anchor\" id=\"FORM\"><\/div><div class=\"fusion-form fusion-form-builder fusion-form-form-wrapper fusion-form-2891 has-icon-alignment\" style=\"--awb-tooltip-text-color:#ffffff;--awb-tooltip-background-color:#333333;--awb-field-margin-bottom:2px;--awb-form-input-height:44px;--awb-form-bg-color:var(--awb-color1);--awb-label-font-size:14px;--awb-form-placeholder-color:hsla(var(--awb-color5-h),var(--awb-color5-s),var(--awb-color5-l),calc(var(--awb-color5-a) - 50%));--awb-form-text-color:var(--awb-color5);--awb-form-border-width-top:1px;--awb-form-border-width-bottom:1px;--awb-form-border-width-right:1px;--awb-form-border-width-left:1px;--awb-form-border-color:var(--awb-color2);--awb-icon-alignment-top:1px;--awb-icon-alignment-bottom:1px;--awb-icon-alignment-font-size:1em;\" data-form-id=\"2891\" data-config=\"{&quot;form_id&quot;:&quot;2891&quot;,&quot;form_post_id&quot;:&quot;2891&quot;,&quot;post_id&quot;:4177,&quot;form_type&quot;:&quot;ajax&quot;,&quot;confirmation_type&quot;:&quot;message&quot;,&quot;redirect_url&quot;:&quot;&quot;,&quot;field_labels&quot;:{&quot;name&quot;:&quot;&quot;,&quot;phone_number&quot;:&quot;&quot;,&quot;City&quot;:&quot;&quot;,&quot;_monthly_bill&quot;:&quot;&quot;,&quot;GoingSolarFor&quot;:&quot;&quot;},&quot;field_logics&quot;:{&quot;notice_1&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;phone_number&quot;:&quot;&quot;,&quot;City&quot;:&quot;&quot;,&quot;_monthly_bill&quot;:&quot;&quot;,&quot;GoingSolarFor&quot;:&quot;&quot;},&quot;field_types&quot;:{&quot;notice_1&quot;:&quot;notice&quot;,&quot;name&quot;:&quot;text&quot;,&quot;phone_number&quot;:&quot;number&quot;,&quot;City&quot;:&quot;text&quot;,&quot;_monthly_bill&quot;:&quot;text&quot;,&quot;GoingSolarFor&quot;:&quot;text&quot;,&quot;submit_1&quot;:&quot;submit&quot;},&quot;nonce_method&quot;:&quot;ajax&quot;}\"><form action=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-rooftop-calculator\/\" method=\"post\" class=\"fusion-form fusion-form-2891\"><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1-1 fusion-flex-container has-pattern-background has-mask-background nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-padding-right:0px;--awb-padding-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-16 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.375%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.375%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:2.375%;--awb-spacing-left-medium:2.375%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-6 fusion_builder_column_inner_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.375%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:2.375%;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:2.375%;--awb-spacing-left-medium:2.375%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"form-submission-notices data-notice_1\" id=\"fusion-notices-1\"><div class=\"fusion-alert alert success alert-success fusion-alert-center fusion-form-response fusion-form-response-success awb-alert-native-link-color alert-dismissable awb-alert-close-boxed\" role=\"alert\"><div class=\"fusion-alert-content-wrapper\"><span class=\"alert-icon\"><i class=\"awb-icon-check-circle\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-alert-content\">Thank you for your message. It has been sent.<\/span><\/div><button type=\"button\" class=\"close toggle-alert\" data-dismiss=\"alert\" aria-label=\"Close\">&times;<\/button><\/div><div class=\"fusion-alert alert error alert-danger fusion-alert-center fusion-form-response fusion-form-response-error awb-alert-native-link-color alert-dismissable awb-alert-close-boxed\" role=\"alert\"><div class=\"fusion-alert-content-wrapper\"><span class=\"alert-icon\"><i class=\"awb-icon-exclamation-triangle\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-alert-content\">There was an error trying to send your message. Please try again later.<\/span><\/div><button type=\"button\" class=\"close toggle-alert\" data-dismiss=\"alert\" aria-label=\"Close\">&times;<\/button><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-form-field fusion-form-text-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><input type=\"text\"  data-empty-notice=\"Please fill out this field.\" name=\"name\" id=\"name\" value=\"\"  class=\"fusion-form-input\" required=\"true\" aria-required=\"true\" placeholder=\"Name*\" data-holds-private-data=\"false\" minlength=\"0\"\/><\/div><div class=\"fusion-form-field fusion-form-number-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><input type=\"number\"  data-empty-notice=\"Please fill out this field.\" name=\"phone_number\" id=\"phone_number\" value=\"\"  class=\"fusion-form-input\" required=\"true\" aria-required=\"true\" placeholder=\"Phone Number*\" data-holds-private-data=\"false\" min=\"0\" max=\"10000000000\"\/><\/div><div class=\"fusion-form-field fusion-form-text-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><input type=\"text\"  data-empty-notice=\"Please fill out this field.\" name=\"City\" id=\"City\" value=\"\"  class=\"fusion-form-input\" required=\"true\" aria-required=\"true\" placeholder=\"City*\" data-holds-private-data=\"false\" minlength=\"0\"\/><\/div><div class=\"fusion-form-field fusion-form-text-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><input type=\"text\" name=\"_monthly_bill\" id=\"_monthly_bill\" value=\"\"  class=\"fusion-form-input\" placeholder=\" Monthly bill\" data-holds-private-data=\"false\" minlength=\"0\"\/><\/div><div class=\"fusion-form-field fusion-form-text-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><input type=\"text\" name=\"GoingSolarFor\" id=\"GoingSolarFor\" value=\"\"  class=\"fusion-form-input\" placeholder=\"Going Solar For\" data-holds-private-data=\"false\" minlength=\"0\"\/><\/div><div class=\"fusion-form-field fusion-form-submit-field fusion-form-label-above\" style=\"\" data-form-id=\"2891\"><div ><button type=\"submit\" class=\"fusion-button button-flat fusion-button-default-size button-custom fusion-button-default button-3 fusion-button-span-yes  form-form-submit button-default\" style=\"--button_accent_color:var(--awb-color1);--button_accent_hover_color:var(--awb-color1);--button_border_hover_color:var(--awb-color1);--button_gradient_top_color:var(--awb-color4);--button_gradient_bottom_color:var(--awb-color4);--button_gradient_top_color_hover:var(--awb-color6);--button_gradient_bottom_color_hover:var(--awb-color6);--button_text_transform:uppercase;--button_font_size:14px;--button_line_height:var(--awb-typography3-line-height);--button_padding-top:10px;--button_padding-bottom:10px;--button_typography-letter-spacing:var(--awb-typography3-letter-spacing);--button_typography-font-family:var(--awb-typography3-font-family);--button_typography-font-weight:var(--awb-typography3-font-weight);--button_typography-font-style:var(--awb-typography3-font-style);--button_margin-top:18px;\" data-hover=\"icon_slide\" data-form-number=\"2891\" tabindex=\"\"><i class=\"awb-magazine-arrow-right-solid button-icon-left\" aria-hidden=\"true\"><\/i><span class=\"fusion-button-text\">Submit<\/span><\/button><\/div><\/div><\/div><\/div><\/div><\/div><\/form><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-17 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-padding-top:33px;--awb-padding-bottom:20px;--awb-bg-size:cover;--awb-border-color:var(--awb-color2);--awb-border-style:solid;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-title title fusion-title-13 fusion-sep-none fusion-title-text fusion-title-size-two\" style=\"--awb-text-color:var(--awb-color4);--awb-margin-top:0px;--awb-margin-bottom:25px;--awb-font-size:30px;\"><h2 class=\"fusion-title-heading title-heading-left\" style=\"font-family:&quot;Hind&quot;;font-style:normal;font-weight:700;margin:0;font-size:1em;text-transform:uppercase;\"><h2><b>Frequently Asked Questions<\/b><\/h2><\/h2><\/div><a class=\"fusion-modal-text-link\" href=\"#\">\n<\/a><div class=\"accordian fusion-accordian\" style=\"--awb-border-size:2px;--awb-icon-size:21px;--awb-content-font-size:16px;--awb-content-letter-spacing:0px;--awb-content-text-transform:var(--awb-typography2-text-transform);--awb-content-line-height:24px;--awb-icon-alignment:left;--awb-hover-color:#fff0e8;--awb-border-color:#fff0e8;--awb-background-color:var(--awb-color1);--awb-divider-color:var(--awb-color3);--awb-divider-hover-color:var(--awb-color3);--awb-icon-color:var(--awb-color4);--awb-title-color:#141617;--awb-content-color:#141617;--awb-icon-box-color:#141617;--awb-toggle-hover-accent-color:#ff6d20;--awb-toggle-active-accent-color:var(--awb-color8);--awb-title-font-family:&quot;DM Sans&quot;;--awb-title-font-weight:500;--awb-title-font-style:normal;--awb-title-font-size:16px;--awb-title-line-height:24px;--awb-title-text-transform:var(--awb-typography2-text-transform);--awb-content-font-family:&quot;DM Sans&quot;;--awb-content-font-style:normal;--awb-content-font-weight:500;\"><div class=\"panel-group fusion-toggle-icon-unboxed\" id=\"accordion-4177-1\"><div class=\"fusion-panel panel-default panel-ffac385f9cfa7bb0f fusion-toggle-no-divider fusion-toggle-boxed-mode\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_ffac385f9cfa7bb0f\"><a aria-expanded=\"false\" aria-controls=\"ffac385f9cfa7bb0f\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-4177-1\" data-target=\"#ffac385f9cfa7bb0f\" href=\"#ffac385f9cfa7bb0f\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon fa-minus-square far\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon fa-plus-square far\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">How accurate is a solar rooftop calculator? <\/span><\/a><\/h4><\/div><div id=\"ffac385f9cfa7bb0f\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_ffac385f9cfa7bb0f\"><div class=\"panel-body toggle-content fusion-clearfix\"><span style=\"font-weight: 400;\">It&#8217;s a good first estimate based on your bill, location, and standard panel assumptions. Your exact system size and cost will depend on a site survey, which accounts for shading, roof structure, and electrical setup.<\/span><\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-72fa77e6d2ca7a554 fusion-toggle-no-divider fusion-toggle-boxed-mode\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_72fa77e6d2ca7a554\"><a aria-expanded=\"false\" aria-controls=\"72fa77e6d2ca7a554\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-4177-1\" data-target=\"#72fa77e6d2ca7a554\" href=\"#72fa77e6d2ca7a554\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon fa-minus-square far\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon fa-plus-square far\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">What information do I need to use the calculator? <\/span><\/a><\/h4><\/div><div id=\"72fa77e6d2ca7a554\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_72fa77e6d2ca7a554\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><span style=\"font-weight: 400;\">Just your average monthly electricity bill or units consumed, and your state or location. Roof area is optional but improves the accuracy of the estimate.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-7ed4f74e9e61b2d40 fusion-toggle-no-divider fusion-toggle-boxed-mode\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_7ed4f74e9e61b2d40\"><a aria-expanded=\"false\" aria-controls=\"7ed4f74e9e61b2d40\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-4177-1\" data-target=\"#7ed4f74e9e61b2d40\" href=\"#7ed4f74e9e61b2d40\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon fa-minus-square far\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon fa-plus-square far\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Does the calculator include the PM Surya Ghar subsidy? <\/span><\/a><\/h4><\/div><div id=\"7ed4f74e9e61b2d40\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_7ed4f74e9e61b2d40\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><span style=\"font-weight: 400;\">Yes. The calculator applies the current subsidy slabs automatically, so the cost shown after subsidy reflects what you&#8217;d likely pay after government support.<\/span><\/p>\n<\/div><\/div><\/div><div class=\"fusion-panel panel-default panel-d54222327b00a847c fusion-toggle-no-divider fusion-toggle-boxed-mode\"><div class=\"panel-heading\"><h4 class=\"panel-title toggle\" id=\"toggle_d54222327b00a847c\"><a aria-expanded=\"false\" aria-controls=\"d54222327b00a847c\" role=\"button\" data-toggle=\"collapse\" data-parent=\"#accordion-4177-1\" data-target=\"#d54222327b00a847c\" href=\"#d54222327b00a847c\"><span class=\"fusion-toggle-icon-wrapper\" aria-hidden=\"true\"><i class=\"fa-fusion-box active-icon fa-minus-square far\" aria-hidden=\"true\"><\/i><i class=\"fa-fusion-box inactive-icon fa-plus-square far\" aria-hidden=\"true\"><\/i><\/span><span class=\"fusion-toggle-heading\">Is the calculator's estimate the same as a final quote? <\/span><\/a><\/h4><\/div><div id=\"d54222327b00a847c\" class=\"panel-collapse collapse \" aria-labelledby=\"toggle_d54222327b00a847c\"><div class=\"panel-body toggle-content fusion-clearfix\">\n<p><span style=\"font-weight: 400;\">No. It&#8217;s a starting estimate. A final quote comes after a site survey confirms your roof&#8217;s actual capacity, shading, and structural details.<\/span><\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-18 fusion_builder_column_1_1 1_1 fusion-flex-column fusion-animated\" style=\"--awb-padding-top:10px;--awb-padding-right:10px;--awb-padding-bottom:10px;--awb-overflow:hidden;--awb-bg-color:var(--awb-color1);--awb-bg-color-hover:var(--awb-color1);--awb-bg-size:cover;--awb-border-color:var(--awb-color4);--awb-border-top:1px;--awb-border-right:1px;--awb-border-bottom:1px;--awb-border-left:1px;--awb-border-style:solid;--awb-border-radius:2px 2px 2px 2px;--awb-width-large:100%;--awb-margin-top-large:30px;--awb-spacing-right-large:100px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:100px;--awb-width-medium:100%;--awb-order-medium:0;--awb-spacing-right-medium:100px;--awb-spacing-left-medium:100px;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\" data-animationType=\"revealInLeft\" data-animationDuration=\"1.0\" data-animationOffset=\"top-into-view\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-7 fusion_builder_column_inner_1_4 1_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:25%;--awb-margin-top-large:0px;--awb-spacing-right-large:0%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:9.5%;--awb-width-medium:25%;--awb-order-medium:0;--awb-spacing-right-medium:0%;--awb-spacing-left-medium:9.5%;--awb-width-small:80%;--awb-order-small:0;--awb-spacing-right-small:0%;--awb-spacing-left-small:2.96875%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-18\" style=\"--awb-content-alignment:center;--awb-font-size:16.5px;--awb-margin-top:8px;--awb-text-font-family:&quot;Manrope&quot;;--awb-text-font-style:normal;--awb-text-font-weight:400;\"><p><strong>Author : <span style=\"color: #ff6600;\">Gaurav Bector<\/span><\/strong><\/p>\n<\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-8 fusion_builder_column_inner_3_4 3_4 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:75%;--awb-margin-top-large:0px;--awb-spacing-right-large:3.1666666666667%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0%;--awb-width-medium:75%;--awb-order-medium:0;--awb-spacing-right-medium:3.1666666666667%;--awb-spacing-left-medium:0%;--awb-width-small:20%;--awb-order-small:0;--awb-spacing-right-small:11.875%;--awb-spacing-left-small:0%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-social-links fusion-social-links-1\" style=\"--awb-margin-top:14px;--awb-margin-right:0px;--awb-margin-bottom:0px;--awb-margin-left:0px;--awb-alignment:left;--awb-box-border-top:0px;--awb-box-border-right:0px;--awb-box-border-bottom:2px;--awb-box-border-left:0px;--awb-box-padding-top:0px;--awb-box-padding-right:0px;--awb-box-padding-bottom:0px;--awb-box-padding-left:0px;--awb-icon-colors-hover:rgba(67,69,73,0.8);--awb-box-colors-hover:rgba(249,249,251,0.8);--awb-box-border-color:var(--awb-color3);--awb-box-border-color-hover:var(--awb-color4);\"><div class=\"fusion-social-networks boxed-icons color-type-custom\"><div class=\"fusion-social-networks-wrapper\"><a class=\"fusion-social-network-icon fusion-tooltip fusion-linkedin awb-icon-linkedin\" style=\"color:var(--awb-color6);font-size:14px;width:14px;background-color:var(--awb-color2);border-color:var(--awb-color2);border-radius:4px;\" data-placement=\"top\" data-title=\"LinkedIn\" data-toggle=\"tooltip\" title=\"LinkedIn\" aria-label=\"linkedin\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.linkedin.com\/in\/gaurav-bector-058b344\/ \"><\/a><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"fusion-builder-row fusion-builder-row-inner fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"width:105% !important;max-width:105% !important;margin-left: calc(-5% \/ 2 );margin-right: calc(-5% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-9 fusion_builder_column_inner_1_6 1_6 fusion-flex-column\" 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style=\"text-align:center;--awb-caption-title-font-family:var(--h2_typography-font-family);--awb-caption-title-font-weight:var(--h2_typography-font-weight);--awb-caption-title-font-style:var(--h2_typography-font-style);--awb-caption-title-size:var(--h2_typography-font-size);--awb-caption-title-transform:var(--h2_typography-text-transform);--awb-caption-title-line-height:var(--h2_typography-line-height);--awb-caption-title-letter-spacing:var(--h2_typography-letter-spacing);\"><span class=\" fusion-imageframe imageframe-none imageframe-4 hover-type-none\"><img decoding=\"async\" width=\"100\" height=\"100\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27100%27%20height%3D%27100%27%20viewBox%3D%270%200%20100%20100%27%3E%3Crect%20width%3D%27100%27%20height%3D%27100%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-orig-src=\"https:\/\/alpexsolar.com\/resources\/wp-content\/uploads\/2024\/10\/Untitled-design-23.png\" alt class=\"lazyload img-responsive wp-image-2751\"\/><\/span><\/div><\/div><\/div><div class=\"fusion-layout-column fusion_builder_column_inner fusion-builder-nested-column-10 fusion_builder_column_inner_5_6 5_6 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:83.333333333333%;--awb-margin-top-large:0px;--awb-spacing-right-large:2.85%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:0%;--awb-width-medium:83.333333333333%;--awb-order-medium:0;--awb-spacing-right-medium:2.85%;--awb-spacing-left-medium:0%;--awb-width-small:100%;--awb-order-small:0;--awb-spacing-right-small:2.375%;--awb-spacing-left-small:2.375%;\"><div class=\"fusion-column-wrapper fusion-column-has-shadow fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-19\" style=\"--awb-font-size:16px;--awb-margin-top:2px;\"><p>Gaurav Bector, Vice President of the EPC division at Alpex Solar, is an Electrical Engineer with 32+ years of experience in the energy sector. He has led business development in smart energy systems, grid automation, and green solutions with top firms like ABB, Siemens, and Alstom. With global expertise across Europe, South Asia, and the Middle East, Gaurav excels in leadership, operations, sales, engineering, and project management.<\/p>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Are you thinking about switching to solar energy? Well, now might be the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":4178,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[72],"tags":[78,73],"class_list":["post-4177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-solar","tag-solar-panels"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Solar Rooftop Calculator: Estimate System Size, Cost &amp; Savings (2026)<\/title>\n<meta name=\"description\" content=\"Use Alpex&#039;s free solar rooftop calculator to estimate your ideal system size, installation cost, PM Surya Ghar subsidy and monthly savings in seconds.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/alpexsolar.com\/resources\/blog\/solar-rooftop-calculator\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Rooftop Calculator: Estimate System Size, Cost &amp; 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