Battery Energy Storage System (BESS)

BESS Capacity & Lifecycle Planner

Calculate required BESS capacity, end-of-life performance, and overbuild requirement in one clean report.

Project Inputs

Enter the project details and OEM parameters below.

Input unit

MW kW

Core Project Inputs

Core project sizing inputs used to define the required battery duty.

Project Name (will be used to print on report) Target POI Power (MW) Energy Capacity (MWh) Discharge Duration (Hours) Expected Project Life (Years) Charge-Discharge Cycles Per Day Ambient Temperature (°C) C-Rate

Battery Performance Parameters

Manufacturer performance assumptions used to evaluate degradation and overbuild.

Battery Chemistry Battery Round Trip Efficiency (%) Allowed Depth of Discharge (DoD %) Manufacturer Cycle Life Manufacturer End Of Life SOH (%) Beginning-of-life SOH (%) Calendar Degradation per year (%) Cabinet Configuration

System Losses Assumptions

Below are the standard losses considered. Expand this section only if you want to review or update them.

PCS Losses (One way) (%) Auxiliary Power (%) Transformer Losses (One way) (%) Additional Losses (One way) (%)

Calculated Output

Review the BESS sizing summary and export the report as a PDF.

Please fill all input fields and click Calculate to view the output.