Solar Rooftop Subsidy & Savings Calculator

PM SURYA GHAR SCHEME UPDATED

Solar Rooftop Subsidy & Savings Calculator

Calculate Government Financial Assistance, Electricity Bill Reductions & Payback Period

Standard market benchmark: ₹60,000 – ₹70,000 per kW (On-Grid).

Subsidy Standard: ₹33,000 for 1 kW, ₹66,000 for 2 kW, and capped at ₹85,800 for 3 kW and above for residential consumers.

Complete Guide to PM Surya Ghar Solar Rooftop Subsidy & Savings in India

Switching to rooftop solar energy is one of the smartest ways for Indian homeowners to reduce their monthly electricity bills and protect themselves from rising power tariffs. Under the central government’s PM Surya Ghar: Muft Bijli Yojana, residential consumers receive direct bank transfer subsidies to make rooftop solar installation affordable for middle-class families.

When you install a grid-connected (On-Grid) solar system, your home uses solar electricity during the daytime. Any extra power your panels produce is automatically sent back to your local power distribution company (DISCOM) through a Bi-Directional Net Meter. At night, you draw power from the regular grid. At the end of the month, your bill is calculated only on the net electricity you used, helping you cut your electricity bill by 80% to 95%.

MNRE Financial Framework

Official PM Surya Ghar Subsidy Slabs and Rooftop Space Requirements

System Size Central Government Subsidy Needed Shadow-Free Roof Space Daily Power Output
1 kW System ₹33,000 100 to 120 sq. ft. 4 to 4.5 Units / Day
2 kW System ₹66,000 200 to 240 sq. ft. 8 to 9 Units / Day
3 kW System ₹85,800 300 to 350 sq. ft. 12 to 14 Units / Day
Above 3 kW (Up to 10 kW) Capped at ₹85,800 100 sq. ft. per extra kW 4 Units per kW / Day

Understanding the Return on Investment (ROI) and Payback Period

A standard On-Grid solar rooftop system costs between ₹60,000 and ₹70,000 per kilowatt to install. Because the central subsidy covers a large portion of this cost, your net investment becomes much smaller.

In India, a standard 3 kW residential rooftop solar plant recovers its entire setup cost within 3 to 4.5 years through monthly electricity bill savings.

High-quality solar panels come with a 25-year performance warranty. This means that after your initial investment is recovered in the first 4 years, you will enjoy free green electricity for the remaining 20+ years.

How to Get the Central Government Subsidy Step-by-Step

  • Register on the National Portal: Visit the official National Solar Portal and submit your consumer number along with basic personal details.
  • Choose an Empanelled Vendor: Select a registered local solar installer approved by your state electricity board (DISCOM).
  • Net Meter Installation: After panel setup, DISCOM technical officers inspect the site and replace your old electric meter with a bi-directional net meter.
  • Direct Bank Subsidy: Within 30 days of project commissioning, your subsidy amount is credited directly to your bank account via DBT.

How is the subsidy amount sent to my bank account?

After the net meter is installed and verified by your local electricity board, the central government transfers the subsidy directly into your bank account through Direct Benefit Transfer (DBT).

Can I run an On-Grid solar system without batteries?

Yes. On-grid systems do not require battery banks because excess power is stored virtually in the power grid via net metering, saving you high recurring battery replacement costs.

How much maintenance do solar panels need?

Solar panels do not have moving parts. You only need to clean the panel glass with plain water once every 10 to 15 days to remove dust and maintain top efficiency.

Why is shadow-free rooftop space compulsory?

Solar panels need direct sunlight to produce power. Even a small tree or building shadow on a single solar panel reduces overall power output and can cause long-term cell damage.