Awasome Cost Of Adding Amperage To My Home Ideas. The cost to upgrade an electrical panel to 200 amps is between $750 and $2,000. There are a few examples where old has main wires big enough for 200 amp, in this case, your should expect.

If a new box is needed, expect to spend $1,200 to $2,500 to install. Average replacement cost (not under warranty): Evocharge makes several stations in several sizes/amps with costs from $600 to $1,100.





