Free Tool
Solar Savings Calculator
See system size, PM Surya Ghar subsidy, payback period and 25-year savings in 30 seconds.
Solar Cost Estimator
See your savings in 30 seconds
Based on TANGEDCO ₹8/unit average tariff & PM Surya Ghar subsidy slabs.
20.6% (mono PERC) · 25 yr performance / 10 yr product
Lifetime Savings (25 years)
₹0
Year 1: ₹37,800Year 25 bill: ₹1,70,055Tariff rise: 6%/yr
Recommended System
4 kW
Tata Power Solar · 20.6% efficiency
System Cost
₹2,15,000
Govt. Subsidy
₹78,000
Your Net Cost
₹1,37,000
Payback
3.3 yrs
Monthly Savings
₹3,500
CO₂ Saved (25y)
150.0 t
Note: TANGEDCO issues bills every 2 months — enter your full bill amount above if using bi-monthly mode.
Indicative estimates based on 6% annual TNEB tariff escalation and ~90% solar offset. Actual savings vary by usage, tariffs, and installation. EMI at 6% p.a. reducing balance over 48 months; bank rates may vary. PM Surya Ghar subsidy up to ₹78,000 (≥3 kW) is credited within 7–30 days and adjusted against your loan. Total system cost ₹1.9L–₹2.3L depending on panel and mounting.
