k 15 PM Surya Ghar: Muft Bijli Yojana — The Complete Guide to Solar Subsidies, Net Metering, and Online Registration
Skyrocketing monthly utility bills and rising temperatures have made household energy efficiency a top priority across India. To drive sustainable energy adoption and ease the financial burden on urban and rural families, the Government of India launched its flagship rooftop solar scheme: PM Surya Ghar: Muft Bijli Yojana.
With an ambitious budget allocation of ₹75,021 Crore, the program aims to power 1 Crore (10 million) households by providing central financial subsidies up to ₹78,000, enabling families to generate up to 300 units of free electricity every month.
This article covers the operational mechanics, financial subsidies, payback calculations, eligibility rules, and step-by-step registration procedure for the PM Surya Ghar scheme.
Overview of PM Surya Ghar: Muft Bijli Yojana
| Particulars | Key Details |
| Scheme Name | PM Surya Ghar: Muft Bijli Yojana |
| Nodal Ministry | Ministry of New and Renewable Energy (MNRE) |
| Total Outlay | ₹75,021 Crore |
| Target Audience | 1 Crore residential households across India |
| Maximum Central Subsidy | ₹78,000 (Direct Benefit Transfer to bank account) |
| Expected Generation | Up to 300 units of free electricity per month |
| Low-Interest Financing | Collateral-free solar loans (~7% interest rate) |
| Official Website | pmsuryaghar.gov.in |
How the Subsidy Structure Works
The central government provides Central Financial Assistance (CFA) calculated as a fixed monetary rate per kilowatt (kW) of installed capacity. The subsidy scale favors small and mid-sized residential setups:
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| PM SURYA GHAR SUBSIDY CAP |
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| 1 kW Capacity --> ₹30,000 Fixed Subsidy |
| 2 kW Capacity --> ₹60,000 Fixed Subsidy |
| 3 kW & Above --> ₹78,000 Maximum Capped Subsidy |
+-----------------------------------------------------------------------+
Financial Subsidy Breakdown
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Systems up to 2 kW: Receives ₹30,000 per kW (Total ₹60,000 for a 2 kW setup).
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Systems from 2 kW to 3 kW: Receives an additional ₹18,000 for the 3rd kW (Total ₹78,000 for a 3 kW setup).
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Systems above 3 kW: The central subsidy is capped at ₹78,000.
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Group Housing Societies (GHS/RWA): Receives ₹18,000 per kW for common area lighting and electric vehicle charging infrastructure (up to 500 kW capacity).
Note: Many state governments offer additional top-up subsidies that stack directly on top of this central subsidy.
System Cost vs. Actual Out-of-Pocket Expense
Installing a residential rooftop solar system involves upfront capital costs for solar panels, grid-tied inverters, mounting structures, and net metering meters. However, with the direct benefit transfer (DBT), actual out-of-pocket expenses are significantly reduced:
| System Capacity | Estimated Total Cost | Central Subsidy (DBT) | Net Out-of-Pocket Cost | Estimated Monthly Savings |
| 1 kW | ₹70,000 – ₹75,000 | ₹30,000 | ₹40,000 – ₹45,000 | ₹1,000 – ₹1,200 |
| 2 kW | ₹1,20,000 – ₹1,30,000 | ₹60,000 | ₹60,000 – ₹70,000 | ₹2,20,000 – ₹2,500 |
| 3 kW | ₹1,60,000 – ₹1,80,000 | ₹78,000 | ₹82,000 – ₹1,02,000 | ₹3,500 – ₹4,200 |
| 5 kW | ₹2,50,000 – ₹2,80,000 | ₹78,000 | ₹1,72,000 – ₹2,02,000 | ₹6,000 – ₹7,500 |
Return on Investment (ROI) & Payback Period
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Payback Window: Most residential installations recover their net capital cost within 3 to 4.5 years.
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System Lifespan: Tier-1 solar panels carry performance warranties for 25 years, yielding 20+ years of near-zero electricity bills after recovering the initial investment.
How Net Metering Works
A grid-tied rooftop solar system does not require expensive battery banks. Instead, it operates through a bidirectional net meter installed by your local electricity distribution company (DISCOM).
+----------------------------------+
| Rooftop Solar Panels |
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|
v
+----------------------------------+
| Bi-Directional Meter |
+----------------------------------+
/ \
Solar Power / \ Excess Power
Feeds Home v v Sent to Grid
+-----------------------+ +-----------------------+
| Household Appliances | | Local DISCOM Grid |
+-----------------------+ +-----------------------+
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Daytime Generation: During peak daylight hours, your solar panels generate electricity to power your home.
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Exporting Excess Units: Unused energy flows automatically into the grid, turning your electricity meter backward or accumulating power credits.
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Nighttime Consumption: At night, when panels aren’t producing power, your home draws electricity from the grid as usual.
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Monthly Settlement: At the end of the billing cycle, the DISCOM bills you only for the net difference (Units Imported minus Units Exported). If exports exceed imports, credits roll over to subsequent months.
Eligibility Criteria
To qualify for the central rooftop subsidy, applicants must meet the following basic guidelines:
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Nationality: Must be a citizen of India.
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Property Ownership: Must own a residential house with suitable, unshaded roof space (~100 sq. ft. per 1 kW system).
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Electricity Connection: Must possess an active domestic/LT-residential electricity meter connection in their name.
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No Prior Solar Subsidy: The premises must not have received a prior central government subsidy for rooftop solar.
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ALMM Compliance: Mandatory use of solar modules listed on the Approved List of Models and Manufacturers (ALMM) published by the MNRE.
Step-by-Step Online Registration Process
Applying for the PM Surya Ghar subsidy is managed digitally via the official national portal.
Low-Interest Concessional Solar Loans
To ensure zero financial bottlenecks, major public and private sector banks offer collateral-free solar loans tailored for PM Surya Ghar applicants:
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Loan Amount: Up to ₹2,00,000 for systems up to 3 kW capacity.
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Interest Rates: Concessional rates starting around 7% per annum.
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Repayment Tenure: Flexible repayment options ranging from 36 to 120 months.
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Zero Security Deposit: No collateral asset required; the solar equipment itself acts as underlying security.
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Self-Financing Equation: In most instances, your monthly electricity bill savings are greater than the monthly bank loan EMI, creating positive cash flow from month one.
Required Documents Checklist
Keep electronic copies (PDF/JPEG) of these documents ready before opening the application portal:
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Latest Electricity Bill (Showing consumer account number and sanctioned load).
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Aadhaar Card (Linked with your active mobile number and bank account).
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Property Ownership Proof (Tax receipt, sale deed, or NOC from owner if co-owned).
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Bank Account Details (Cancelled cheque or passbook front page with visible IFSC).
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Clear Photo of Unshaded Rooftop.
Frequently Asked Questions (FAQs)
Q1. Can I install rooftop solar if I live in an apartment building?
Yes. Apartment owners can install systems under the Group Housing Society (GHS) or Resident Welfare Association (RWA) category for common area lighting, or individual systems if exclusive rooftop ownership rights are established.
Q2. What happens to the subsidy if I select a non-ALMM solar module?
Your subsidy claim will be automatically rejected during DISCOM inspection. Always verify with your installer that the panels carry valid ALMM certification before installation begins.
Q3. Does rooftop solar generate electricity on cloudy or rainy days?
Yes. While generation drops to 25%–45% of peak capacity on overcast days, net metering allows you to draw grid power seamlessly whenever generation drops.
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The PM Surya Ghar: Muft Bijli Yojana offers homeowners a practical way to lower energy costs while adopting clean energy. Combining direct subsidies up to ₹78,000 with net metering and low-interest bank loans makes residential solar financially accessible.
To get started, visit the official national portal at pmsuryaghar.gov.in to complete your initial eligibility verification.