Energy storage
Battery Storage Capacity Calculator
Estimate required battery energy from load, duration, usable capacity, and round-trip efficiency.
Systems worksheet
Calculation inputs
kW
h
%
%
Calculated result
144.93 kWh
Planning estimateConfirm equipment ratings, manufacturer limits, adopted code requirements, and system-specific calculations before installation.
Method and field check
Required energy divides load duration by usable capacity and efficiency. Confirm battery temperature, discharge rate, reserve, and manufacturer limits.