Electric Vehicle Load Calculator

Calculate electrical load and circuit requirements for EV charging station installations.

EVSE power rating in kW (Level 2 typical: 7.2-19.2).
kW
Circuit voltage.
V
Total number of EVSE units.
NEC 625.42 demand factor (1.0 for ≤4 units).

Results

Current per Charger-A
Breaker per Charger (125%)-A
Total Demand Load-kW
Total Panel Load-A
References: NEC Article 625 (2023); SAE J1772; NEC 210.23; NEC 625.42