Installing 100 Amp Electrical Panel In New Home Cost

- Upgrading an old electrical panel typically costs $800$4,000, depending on the amperage and scope of work. Most homeowners pay $1,300$3,000 to upgrade from 100 to 200 amps, while larger upgrades can reach $2,000$4,000.

- If you have an older 60-amp panel, high-power appliances can overload it. The most common amperage ratings for new electrical panels include: 100 Amps: The panel may cost $100 to $200 but with labor, the total price averages $850 to $1,450.

- Material costs vary significantly based on your chosen amperage. A basic 100-amp panel might cost around $100, while a robust 400-amp setup can exceed $500 just for the panel itself.

The basic cost to Install an Electrical Service Panel is $1,305 - $1,581 per panel in May 2026, but can vary significantly with site conditions and options. Use our free HOMEWYSE CALCULATOR to estimate fair costs for your SPECIFIC project.

Average costs and comments from CostHelper's team of professional journalists and community of users. Typically it costs $800-$1,200 to have a qualified electrician upgrade an existing panel to 100 amps, or $1,500-$2,500 if a new panel is needed.

- Based on the level of amperage needed, an electrical panel can cost from $850 to $1,150 to upgrade a 100-amp panel to $2,000 to $4,000 to install a new 400-amp panel.

The national average cost ranges from $1,500 to $4,500. Most homeowners pay around $3,000 to upgrade their existing 100 amp panel to a 200 amp service without changing the position of the panel or engaging in any substantial rewiring.

- Regional Price Variations Costs can vary based on geographic location, with urban areas generally having higher labor rates compared to rural locations. Cost for a 100-Amp Panel Average Cost: $2,500 to $3,500, including installation. Best For: ...