BESS Sizing Tool
Right-Size Your Battery Energy Storage
Configure your assets, define your load profile, and get an instant BESS recommendation with 10-year ROI projection — tailored for Indian grid conditions.
Step 1 — Select Your Energy Assets
Choose all generation sources connected to your site. BESS will be sized to optimize across these.
✓
☀️
Solar PV
✓
🌬️
Wind
✓
⛽
DG Backup
✓
🔌
Grid
☀️ Solar PV Configuration
kWp
DC peak capacity of your solar array
hrs
Typical 4.5–6.5 hrs in India depending on location
%
Typically 75–82% for Indian installations
%/yr
Standard: 0.5–0.8% per year for Tier-1 panels
🔌 Grid Parameters (Indian defaults pre-filled)
kVA
V
Hz
₹
₹
₹
hrs
₹
Step 2 — Define Your Load Profile
Tell us about your energy consumption pattern. This drives the BESS sizing algorithm.
kWh
Check your electricity bill — monthly units ÷ 30
kW
Maximum power draw at any point in the day
hrs
hrs
10%60%100%
%/yr
Expected annual increase in consumption
Step 3 — Financial & System Parameters
Adjust these to match your investment criteria. Indian defaults are pre-filled.
₹/kWh
India 2025–26: ₹10,000–15,000/kWh typical
%
LFP: 90–95%, NMC: 88–93%
cycles
LFP @ 80% DoD: 5000–8000 cycles
%
%/yr
%/yr
%
%
yrs
50%85%95%