Utility-Scale BESS & Revenue Model

IEC 62933IEEE 2030.2NREL ATB

Sizing & Interconnection

Application

Interconnection (POI) Limit (MW)

BESS Power (MW)

Discharge Duration (h)

Chemistry

Container Unit Size (MWh)

Co-located Renewables

Solar Capacity (MWp)

Solar Capacity Factor (%)

Curtailment Avoided (MWh/yr)

Curtailment Value ($/MWh)

PPA Firming Premium ($/MWh)

Plant Electrical Design (PCS / Step-up Transformer / MV)

PCS Unit Rating (kW, optional)

PCS Output Voltage (V, optional)

Grid Stability

Black Start Required

Interconnection Voltage (kV)

Grid Fault Level (MVA)

MV Cable Length (m)

MV Conductor

CAPEX / OPEX

Battery CAPEX ($/kWh)

Interconnection CAPEX ($/MW)

OPEX (% CAPEX/yr)

Revenue Stack

Cycles / Day

Also drives battery degradation below.

Arbitrage Spread ($/MWh, net)

Capacity Payment ($/MW-yr)

Ancillary Services ($/MW-yr)

Battery Degradation & Augmentation

Degradation Override (%/yr, optional)

Augmentation Threshold (SOH %)

Augmentation Cost ($/kWh, optional)

Financial

Project Life (yr)

Discount Rate / WACC (%)

Revenue Escalation (%/yr)

⚠ Disclaimer: This calculation is for preliminary engineering / verification purposes only. Final design requires licensed/current standards, manufacturer datasheets, local regulations and qualified engineer approval. For cable calculations: always verify R and X values from the actual cable manufacturer's datasheet.