Solar ROI
Counterfactual against flat ₨/unit assumption · updated —
CONFIRMED SAVINGS
· solar paid for units of grid use
Priced at ₨/unit Priced at ₨/unit
tonnes
CO₂ avoided
trees
A year of CO₂ absorption
kWh
Solar produced
months
Of solar history
System payback
Enter the total cost you paid for this solar system above to see how long until your savings cover the investment.

Payback period assumes the same monthly savings rate as the average so far. Actual payback may vary with weather, usage, and tariff changes.

Cumulative savings since install
Monthly breakdown

Meter A/B are official LESCO bill units. Read-window chips show whole-house edge kWh where LESCO's read window and the local anchor period do not line up.

Period Solar produced + Billed Meter A + Billed Meter B = Without-solar units Actual ₨ Without solar ₨ Saved / estimate ₨