Solar Savings Calculator — Tamil Nadu
Built for TANGEDCO's bi-monthly EB bill. Enter your 2-month bill — get system size, cost & payback instantly.
₹6,000
₹1,000₹20,000
TANGEDCO bills domestic consumers every 2 months — enter the amount from your latest EB bill.
1000 sq.ft
100 sq.ft1,000 sq.ft
TANGEDCO domestic (telescopic): ₹0 (free) up to ₹11.55/unit by slab
On-grid & hybrid qualify for govt subsidies
Recommended System
4 kW
Generation
1008 units/2mo
Savings
₹6,000/2mo
Net Investment
₹1,62,000
Annual Savings
₹36,000
Payback
4.5 yr
25-Year Savings
₹9,00,000
Investment Breakdown
System Cost₹2,40,000
PM Surya Ghar Subsidy- ₹78,000
Net Investment₹1,62,000
Annual Savings₹36,000
Payback Period4.5 years
25-Year Lifetime Savings₹9,00,000
Environmental Impact
CO₂ Saved Annually
5.0 tons
Equivalent Trees Planted
0 trees/yr
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Disclaimer: Estimates are based on average Tamil Nadu conditions. Actual savings vary by location, roof orientation, shading, and usage. Contact us for a free site assessment and accurate quote.