⚡ 480V to 13.8kV/34.5kV Step-Up, kVA Sizing & %Z Impedance Voltage Drop

Commercial Solar MV Transformer Calculator

Size utility interconnection medium-voltage step-up transformers (480V to 12.47kV, 13.8kV, or 34.5kV) for commercial solar & BESS: calculate transformer kVA capacity, core/coil load losses, percent impedance (%Z 5.75%), and high-voltage substation margins.

1. Project & Operating Inputs

Solar Inverter AC Output Capacity (kW AC e.g. 1,500 kW)

Transformer Power Factor (PF e.g. 0.95)

Customer Bid Price for MV Substation & Interconnect ($)

Pad-Mount Transformer, Switchgear, MV Cable & Labor ($)

2. Financial Breakdown & Yield

MEDIUM VOLTAGE STEP-UP TRANSFORMER

Turnkey Substation Profit

High Voltage EPC Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost