Replacing or upgrading your electrical panel is one of the most impactful home improvement projects you can undertake — and one of the most misunderstood when it comes to pricing. Costs vary widely based on panel size, local labor rates, and the condition of your existing wiring. Here's a clear breakdown of what you'll actually pay in 2024.
Average Electrical Panel Upgrade Cost
Most homeowners spend between $1,500 and $4,000 for a standard panel upgrade. The national average lands around $2,500, but that number shifts significantly depending on your specific situation.
A simple swap from an old 100-amp panel to a new 200-amp service — the most common upgrade — typically runs $1,800 to $2,500 in labor and materials. If your home needs a full service entrance replacement, new meter base, or updated grounding system, expect costs to climb toward $3,500 to $5,000 or more.
What Drives the Price Up or Down
Several factors push your final quote higher or lower than the average:
- Panel amperage: Upgrading to 200 amps is standard; 400-amp panels for larger homes or EV charging setups cost more — often $3,000 to $6,000+
- Permit and inspection fees: Most municipalities require permits, adding $50 to $300 depending on your location
- Utility company coordination: Some upgrades require the power company to disconnect and reconnect service, which may involve scheduling delays and separate fees
- Panel brand and quality: Budget brands like Square D QO or Eaton BR run $150–$400 for the box itself; higher-end options with surge protection built in cost more
- Accessibility and location: A panel in a finished basement or tight utility closet takes longer to work in — that time shows up on your invoice
- Age of home wiring: Older homes with aluminum wiring or knob-and-tube may need remediation work before or alongside the upgrade
When You Actually Need an Upgrade
Not every electrical issue demands a full panel replacement. However, certain situations make it non-negotiable:
A 100-amp panel is rarely adequate for modern households running multiple appliances, home offices, and EV chargers simultaneously. If you're constantly tripping breakers, that's a clear signal. Similarly, Federal Pacific Electric (FPE) Stab-Lok panels and Zinsco panels from the 1960s–1980s are known fire hazards and should be replaced regardless of whether they're currently causing visible problems.
Other strong indicators: you're planning a major addition, adding a hot tub or pool, or your homeowner's insurance carrier is flagging your current panel during a renewal inspection.
The Rewiring Question
Panel upgrades sometimes reveal that the wiring throughout the house also needs attention. Partial rewiring of a single room runs $500 to $1,500. Full-house rewiring for a 1,500-square-foot home typically falls between $8,000 and $15,000 — a major project that involves opening walls and should be treated as a separate scope of work from the panel itself.
If your electrician is already working on the panel, it's worth asking for a rough quote on any problematic circuits while they're on-site. Bundling some rewiring work into the same visit can reduce overall labor costs.
How to Get Accurate Quotes
The only reliable way to get a real number is to have a licensed electrician do an in-person assessment. Phone estimates are nearly always inaccurate because the existing conditions matter so much. When you do get quotes:
- Ask for itemized breakdowns (labor, materials, permit, disposal)
- Confirm the quote includes permit pulling — not just the work
- Verify the electrician is licensed and insured for your state
- Get at least two to three quotes before committing
Mercoly makes it straightforward to compare and find trusted panel upgrade and rewiring professionals in your area, all in one place, so you're not hunting through directories or relying on guesswork.
What to Expect on Installation Day
A straightforward 200-amp panel swap takes most experienced electricians 4 to 8 hours. Expect your power to be off for most of that time. After installation, the inspector typically schedules a visit within a few days to sign off before the panel can be fully energized — some utilities won't reconnect until that inspection is passed.
Budget some flexibility in your timeline, especially if your utility company has a backlog. Scheduling the permit and utility coordination ahead of time helps avoid unnecessary delays.
The bottom line: a 200-amp panel upgrade will cost most homeowners somewhere between $1,800 and $3,500 in 2024, with outliers on both ends depending on complexity.
Start comparing licensed electricians in your area today to get accurate quotes and get your panel upgrade scheduled.