What is the total solar subsidy available in Mumbai?

Homeowners in Mumbai qualify for the Central PM Surya Ghar subsidy: ₹30,000 for 1 kW, ₹60,000 for 2 kW, and ₹78,000 for 3 kW and above. In addition, state-specific incentives such as UPNEDA top-up (in UP cities) or Delhi GBI (in Delhi) are credited automatically.

How much can a 5 kW solar plant save monthly in Mumbai?

With 300 sunny days and an average tariff of ₹8.6/unit, a 5 kW system in Mumbai generates approximately 650 to 700 units monthly, saving roughly ₹5,590 to ₹6,020 per month.

Mumbai, MaharashtraTata/Adani/BEST Grid

Rooftop Solar Subsidy & Feasibility in Mumbai

Huge boom in Housing Society & RWA Common Meter Solar under PM Surya Ghar (₹18,000/kW CFA). Lifts, pumps, and common lighting electric bills dropped to zero.

Solar Irradiance

5.1 kWh/m²/day

300 Sunny Days

Average Power Tariff

₹8.6 / Unit

Tata/Adani/BEST Slab Rate

Payback Period

3 Years

Fast Capital Breakeven

Central CFA Subsidy

Up to ₹78,000

Direct DBT Transfer

Calculate Solar Savings for Your Mumbai Rooftop

Pre-calibrated for Tata/Adani/BEST tariffs (₹8.6/unit) and local sun hours.

Configure Your Property

Live MNRE PM Surya Ghar calculations

2026 Rules

Premises Category

State & Grid Jurisdiction

Avg Tariff: ₹8.5/unit•Sun Hours: 5.1 hrs/day

Electricity Consumption

Average Monthly Bill:

₹1,000₹15,000₹30,000₹50,000+

Sanctioned Electricity Load4 kW

Mentioned on your DISCOM electric bill

Shadow-Free Rooftop Area400 sq ft

~85 sq ft needed per kW capacity

DISCOM net metering is capped at 100% of your sanctioned load (4 kW). We recommend applying for a load enhancement or sizing up to 4 kW.

Unbiased Sizing

4.5 kWp Rooftop Solar Plant

Generates ~592 units/month • Requires 383 sq ft terrace

Capex Payback

2.8 Years

Free power thereafter

Benchmark Cost

₹2,43,000

Tier-1 DCR

Central CFA

-₹78,000

Direct DBT

State Top-Up

₹0

N/A

Net Investment

₹1,65,000

After all subsidies

Annual Savings

₹60,000 / yr

25-Yr Cumulative

₹23,46,114

Lifetime CO2 Offset

138 Tonnes

Net Capex Breakeven at Year 2.8Total Profit: ₹21,81,114

Local DISCOM Protocol

Step-by-Step Tata/Adani/BEST Solar Net-Metering Process

Standard turnaround timeline: 28 working days under MNRE single-window protocol.

Step 1: National Portal Application

Step 2: Technical Feasibility Approval (TFR)

Tata/Adani/BEST reviews distribution transformer capacity and grants approval within 7–10 days.

Step 3: Installation & Earthing

Mounting of DCR TOPCon/Mono PERC modules, inverter, and 3 chemical earth pits as per CEA standards.

Step 4: Bi-Directional Net Meter & DBT

Testing by Tata/Adani/BEST Junior Engineer, net-meter energisation, and automatic DBT credit within 30 days.

Priority Solar Feasibility Coverage Across Mumbai:

PIN 400001PIN 400050PIN 400076PIN 400092PIN 400053and all municipal wards

Mumbai Solar Advisory FAQs

Under Tata Power / Adani Electricity / BEST, consumers can install rooftop solar up to 100% of their sanctioned load. A bi-directional net meter is installed to record both imported and exported units. Excess generation in summer is banked on your bill to offset winter consumption.