
Do I Need a Panel Upgrade for an EV Charger?
The load calc decides. How to tell whether your 100A or 200A panel carries a Level 2 circuit as-is, or needs an upgrade or subpanel first.
Straight answers on what a Level 2 charger costs, whether your panel can carry it, what amperage you actually need, and how the Central Electric Co-op rebate fits the math for a Deschutes County home. No brochure claims — the numbers and trade-offs as they actually are.

The load calc decides. How to tell whether your 100A or 200A panel carries a Level 2 circuit as-is, or needs an upgrade or subpanel first.

Outlet or hardwire? How the run length, the target amperage, and whether you want to unplug the unit decide between a NEMA 14-50 outlet and a hardwired charger.

Wall outlet or 240V? Miles of range per hour, what your daily driving needs, and the cases where Level 1 is genuinely enough.

How the Central Electric Co-op up-to-$450 residential Level 2 rebate works — who qualifies, what counts, and how to fit it into the cost of the right install.

Charge speed is amperage. How the car, the panel, and the 125 percent continuous-load rule set the circuit — and why 48 amps is not always the answer.