100-amp
Still the right size for some houses that have not added much load. A replacement in the 12–30 space range is $1,500–$2,500.
Panels / 100 vs 200
100-amp vs 200-amp
100-amp is what a lot of older houses still have. 200-amp is what we talk about after a kitchen, a garage shop, or a panel with no spaces left.
200-amp
The usual next step after a kitchen, a workshop, or a panel that is out of room. A 20–40 space replacement is $2,500–$3,500.
Not sure which size you need?
Send the town, a photo of the panel door open, and a time that works.