Rooftop Solar for Mumbai Housing Societies: The PM Surya Ghar Subsidy Explained

Housing societies can get central assistance of Rs 18,000 per kW for rooftop solar for common facilities, including EV charging, up to 500 kW. How it works.

Residential towers along the coastal road in South Mumbai

Lifts, pumps, corridor lights and security cabins run up a large common electricity bill in any Mumbai society. Rooftop solar can cut it, and there's central support for societies.

The subsidy under PM Surya Ghar

Who	Central financial assistance
Individual homes	Rs 30,000 per kW for the first 2 kW, Rs 18,000 per kW for the third kW; capped at Rs 78,000 for systems above 3 kW
Group housing societies and resident welfare associations	Rs 18,000 per kW for common facilities, including EV charging, up to 500 kW (at 3 kW per house)

The 500 kW limit includes rooftop plants that individual residents install within the society.

Is it practical in Mumbai?

Roof space is limited on tall towers, so most societies can cover only part of their common load.
Water tanks, lift machine rooms and telecom equipment compete for roof space.
Structural checks matter on older buildings.

Common-area electricity is part of every member's maintenance bill. Cutting it helps owners and tenants alike.

Steps for a society

Get the common-area bills for the last 12 months to size the system.
Survey the roof with a registered vendor, including a structural check.
Pass a general body resolution approving the project and cost.
Apply through the national rooftop solar portal and your electricity distributor for net metering.
Use an empanelled vendor so the subsidy isn't put at risk.

For owners and landlords

Lower common electricity can mean lower maintenance over time. If your society adds EV charging under the same project, that's a plus for tenants with electric cars.

Related reading

Want us to track society bills for your flat? Book a video call.

Sources

General information. Check current scheme terms on the official portal before committing.

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