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GAMA Power
Case Studies

Real Roofs. Real Savings.

We don't just promise results; we deliver them. Browse our recent residential installations across Tamil Nadu to see exactly how much you can save with a properly sized system.

Erode • RCC Terrace

5kWp

Grid-tied • Net metering active

Monthly Saving

₹3,850

Mr. Rajan • Erode • Residential

High-consumption household — 5 kWp brings the bill under ₹300

Mr. Rajan's family of six was consuming around 800+ units bi-monthly, landing firmly in TANGEDCO's highest slab. With a 5 kWp system generating 825 units/month, their grid draw dropped to under 50 units — saving them over ₹46,000 annually.

BEFORE SOLAR₹4,200~800 units / bi-monthly
AFTER SOLAR₹350Fixed charges only
System Size5 kWp
Generation/Month~825 kWh
Payback Period~3.8 yrs
Gross Cost₹3,75,000
Subsidy₹78,000
Net Cost₹2,97,000

Coimbatore • RCC Terrace

3kWp

Grid-tied • Net metering active

Monthly Saving

₹1,880

Mrs. Kavitha • Coimbatore • Residential

Family of Three — 3 kWp is Enough, Bill Reduced by 85%

A family of three with an AC and refrigerator running most of the day. At 580 units bi-monthly, they were in the high-usage TANGEDCO slab. After installing a 3 kWp system, their grid import dropped below 90 units bi-monthly — crossing back into the free slab.

BEFORE SOLAR₹2,200~580 units / bi-monthly
AFTER SOLAR₹320~90 units / bi-monthly
System Size3 kWp
Generation/Month~495 kWh
Payback Period~4.1 yrs
Gross Cost₹2,25,000
Subsidy₹78,000
Net Cost₹1,47,000

Salem • Sheet Roof

2kWp

Grid-tied • Net metering active

Monthly Saving

₹940

Mr. Selvam • Salem • Residential

Sheet roof-ல் 2 kWp — small house, big savings

Mr. Selvam's tile-roofed house had limited area but consistent usage around 300 units bi-monthly. A 2 kWp system at 75% efficiency (sheet roof) generates around 330 units/month — enough to nearly zero out the grid bill most months.

BEFORE SOLAR₹1,060~300 units / bi-monthly
AFTER SOLAR₹120Fixed charges only
System Size2 kWp
Generation/Month~330 kWh
Payback Period~4.7 yrs
Gross Cost₹1,50,000
Subsidy₹60,000
Net Cost₹90,000

Ready to zero out your bill?

Use our calculator to see exactly how much you can save, or get in touch for a free site assessment.