Electrical Panel Upgrade Cost Calculator

How to use this calculator

Choose the service size you're upgrading to, whether the meter box needs replacing, and whether you're adding a subpanel. Most homes upgrading today go to 200 amps; 400 amps is for large homes or ones adding several big electric loads at once, such as a heat pump, an EV charger, and an induction range.

How this is calculated

The calculator starts from a national installed-price range for a panel of the size you choose, then adds a meter box and a subpanel if you select them, plus a permit. Moving to a higher amperage usually means the meter box has to be rated to match, so that option is on by default.

Example

Upgrading to 200 amps with a new meter box comes to about $1,550–$3,100, including the permit. Going to 400 amps with a new meter box is about $2,250–$5,100. Replacing a panel at the same 100 amps, with no meter work, is about $850–$1,800.

What this doesn't include

Your utility may charge separately to upgrade the service line to your house. Relocating the panel, rewiring old circuits, and drywall repair also add cost, and an older home can turn up work that has to be brought up to code once the panel is open.

Estimate only, based on published 2026 national price ranges. The federal Section 25C credit that covered part of a panel upgrade done alongside other efficiency improvements (up to $600) expired for property placed in service after December 31, 2025, and isn't included here.