How Much Does an Electrical Panel Upgrade Cost?

An electrical panel upgrade is one of the most important — and frequently misunderstood — home improvement projects. Costs range from $1,500 to over $10,000 depending on your current panel, your electrical needs, and your location. Getting the right information before hiring an electrician protects you from overpaying or underpaying for work that your safety depends on.

How much does an electrical panel upgrade typically cost?

A standard electrical panel upgrade from 100-amp to 200-amp service typically costs $1,800 to $4,500, including labor and materials. Upgrading to 400-amp service (increasingly needed for EV charging and all-electric homes) runs $3,500 to $8,000 or more. These ranges assume a straightforward swap — new service entry, new panel, and reconnection — without complications like meter relocation or subpanel additions.

• 100-amp to 200-amp upgrade: $1,800–$4,500 installed
• 200-amp to 400-amp upgrade: $3,500–$8,000+ installed
• Panel replacement without service upgrade: $1,200–$3,000
• Subpanel addition: $800–$2,500 depending on size and distance
• Full rewire with new panel: $8,000–$20,000+ depending on home size

What factors most affect the cost of an electrical panel upgrade?

The biggest cost drivers are the required service size (100, 200, or 400 amps), whether the utility company needs to upgrade service to the meter, the cost of permits and inspections, and your geographic location. Permit costs alone range from $50 in rural areas to over $500 in major metro markets. Labor rates for licensed master electricians in New York or California run 30–60% higher than in southern or midwestern markets for identical work.

• Service size needed — 200 amp is standard; 400 amp adds significant cost
• Utility upgrades — if the utility must upgrade the transformer or drop, costs rise $500–$3,000+
• Permit fees — $50–$500+ depending on city; always required for panel work
• Panel location — panels in difficult locations (crawlspace, attic access) add labor time
• Local labor rates — electrician wages vary 30–60% across markets

Is a permit required for an electrical panel upgrade?

Yes — an electrical permit is required for a panel upgrade in virtually every jurisdiction in the United States. This is not optional. The permit triggers an inspection by the city or county electrical inspector, who verifies the work meets code. Any electrician who offers to skip the permit is offering to do illegal work. Unpermitted panel work can void your homeowner's insurance coverage and create serious issues when you sell.

What is the difference between replacing a panel and upgrading the service?

Replacing a panel means swapping out the breaker box without changing the service size coming in from the street. Upgrading the service means increasing the amperage from 100 to 200 or 400 amps, which typically requires coordination with the utility company. Many homes need both — an older 100-amp panel in a deteriorated box being replaced with a new 200-amp panel and service. The distinction matters for cost and scope of work.

Should I upgrade to 200-amp or 400-amp service?

200-amp service is the current standard for most new residential construction and is adequate for most homes with electric ranges, dryers, and central AC. 400-amp service is increasingly recommended if you are adding an EV charger, planning a heat pump system, considering solar with battery backup, or running a large workshop. The National Electrical Manufacturers Association reports EV adoption as the leading driver of residential service upgrade requests in 2024–2025.

What should a panel upgrade contract specify?

A complete panel upgrade contract should specify the new panel brand and amperage, the number of breaker slots, whether the service entry cable is being replaced, utility coordination scope, permit application responsibility, inspection scheduling, and warranty on the electrician's workmanship. Equipment warranties (panel and breakers) are manufacturer warranties separate from the electrician's labor warranty.

How do I verify an electrician is licensed for panel work?

Electrical panel work requires a licensed electrician — specifically a master electrician in most states, who is the only one authorized to pull electrical permits. Verify the license is Active, the license type is master electrician (not journeyman), and the expiration date is current. In California, verify the C-10 electrical contractor license through CSLB. In Texas, verify through TDLR. CheckLicensed.com pulls official electrician license data from state sources for $14.99, so you can confirm credentials before any work begins.