BESS Engineering

BESS Battery Sizing

Calculate installed capacity, usable energy, DC bus voltage tier, and rack configuration for Battery Energy Storage Systems. LFP · NMC · LTO chemistry.

Project Parameters

Daily Energy Consumption

kWh/day

Average daily energy demand (after growth)

Storage Duration Target

hours

How long the battery must sustain the load

Cell Chemistry

Depth of Discharge

80 %

80% for LFP, 50% for NMC (reference)

Round-Trip Efficiency

92 %

92% for LFP, 85% for NMC (system level)

Growth Factor Energy growth multiplier (1.1 = +10% per year)

Minimum State of Charge

10 %

Reserve kept unavailable (10% default)

Max Charge/Discharge Power

For DC bus voltage tier selection

Enter project parameters to calculate battery sizing.