1
Tell us about your site
Pick the closest match to pre-fill typical values, then adjust to your numbers.
₹ Lakhs
Total amount on your last few DISCOM bills, averaged.
kW
Highest load recorded on your bill (listed as 'MD' or 'Maximum Demand').
hours
How long should critical equipment keep running if the grid fails?
2
Your electricity rates
All of these are printed on your electricity bill.
₹ / kWh
Rate during evening peak hours (ToD slab).
₹ / kWh
Night / low-demand hour rate. Battery charges here.
₹ / kVA / mo
Fixed charge per kVA of contract demand.
PF
At or above 0.90: no penalty. Printed on your bill as 'PF'.
₹ / kWh
Fuel cost per unit generated. Typically ₹22-30 per kWh for diesel.
3
Existing power sources
Optional. Switch off anything you don't have.
kWp
Total solar panel rating.
hours
Average daily DG running time.
RECOMMENDED CONFIGURATION
OJAS V3
Heavy Duty High-Rate BESS
460 kWh · 200 kW
Est. investment: ₹54.28 Lakhs
CO₂ avoided: 148 t/yr
Also saves about 20,604 L of diesel every year.
View Details About This Product →
Need help with sizing? Talk to our engineers →
Your estimated yearly savings
₹23.68 Lakhs
≈ ₹1.97 Lakhs / month
PAYBACK
2 yrs
RETURN (IRR)
49.2%
Where the savings come from
Peak / off-peak arbitrage₹5.67 Lakhs
Demand charge reduction₹4.09 Lakhs
Diesel (DG) fuel avoided₹12.88 Lakhs
Solar curtailment recovery₹1.04 Lakhs
Cumulative cash position over 10 years
TodayYear 10
Estimates are indicative and based on the inputs and assumptions shown. Final sizing needs a site load study.