ROI calculator
See the payback, IRR and NPV of any efficiency measure. Prefill a recommended retrofit, or enter your own numbers — no signup needed.
Inputs
Prefill from a recommended measure, then tweak.
Simple payback
0.8 yr
IRR
133.5%
NPV @ 10%
₹38.53L
Lifetime savings (10 yr)
₹72.75L
Verdict
This measure is worth doing: it returns ₹38,53,187 in today's money over 10 years, an IRR of 133.5% against your 10% hurdle.
Estimates only. Savings escalate 5%/yr; full M&V (IPMVP) confirms realised savings at Stage G.