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Energy Storage (BESS) Sizing Calculator

IEEE 1547 / IEC 62933 / IEC 61427-2 aligned usable-energy, nameplate capacity and C-rate sizing, PCS voltage-window & power checks, and AC cable sizing. Multi-bank site aggregation and cycle-life estimate are subscriber features.

AAJappsEngineering Calculation Report

Energy Storage (BESS) Sizing Calculator

IEEE 1547, IEC 62933, IEC 61427-2

Generated

For preliminary engineering use only — always verify results against project-specific standards and a qualified engineer's review before use in a real design.

Load & duty

kW
h
%
%

PCS & voltage window

V
V
V
kW
V

AC cable

m
°C

Multi-bank site aggregation

Subscriber

Energy & power sizing

Usable Energy200.00 kWh
Nameplate Capacity241.55 kWh
Max Power (at C-rate)120.77 kW
C-Rate Check≥ 100 kW required ✓

PCS checks

Voltage Window600–850 V ✓
PCS Power vs Load100 kW vs 100 kW ✓

AC cable

Cable size70 mm²
Voltage drop0.98%

Multi-bank site aggregation

Site Energy483.09 kWh
Site Power241.55 kW
Estimated Cycle Life≈3750 cycles