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This is the most common question we get at The Wire Guy Electric, so let's skip the fluff and get straight to real numbers.
A standard 200-amp panel upgrade in the Phoenix metro area runs between $2,200 and $3,800. That includes the panel itself, new breakers, all labor, the city permit, and the inspection. This is the job we do most often, taking an older 100-amp panel and bringing it up to 200 amps so the home can safely handle modern electrical loads.
If your panel just needs to be swapped out (same amperage, but the existing one is a recalled brand like Federal Pacific or Zinsco) expect $1,800 to $2,800. The scope is smaller since the service size stays the same.
For homes that need 320 or 400 amps, which we're seeing more often now with EV chargers, battery storage, solar, and pool equipment all in one house, the range is $4,000 to $7,000+. The jump in price comes from heavier gauge wiring, larger equipment, and the utility company's requirements for their side of the connection.
Every home is different. Here's what moves the number up or down.
The biggest factor is amperage. A 100-to-200-amp upgrade is straightforward. Going beyond 200 amps involves coordination with APS or SRP, potentially a new meter base, and sometimes trenching for a new service lateral. That adds real cost.
Your existing setup matters too. If your panel is in the garage with clean, accessible wiring, the job goes faster. If it's buried in a closet with decades of DIY splices behind it, we need more time to do it right. Homes built before the mid-1980s tend to have more surprises.
Utility work is another variable. APS and SRP need to disconnect and reconnect your service during a panel upgrade. In some cases, the meter base or weatherhead needs to be replaced to meet current utility specs. We coordinate all of this, but it can add $300 to $800 to the project depending on what's needed.
Additional circuits are worth mentioning. A lot of homeowners take the opportunity to add a dedicated circuit for an EV charger, a home office, or a kitchen remodel while the panel is open. It's cheaper to do it during the upgrade than as a separate trip later. Each additional circuit typically adds $250 to $500.
Not every home needs a panel upgrade. But certain situations make it pretty clear.
If your panel is more than 25 years old and you've never touched it, it's probably undersized for how you use electricity today. Air conditioners, EV chargers, tankless water heaters, induction cooktops. None of these existed in most homes when your panel was installed.
If you have a Federal Pacific, Zinsco, or Challenger panel, replacement isn't optional. These brands have well-documented failure rates and are flagged by home inspectors and insurance companies.
If your breakers trip regularly, especially when the AC kicks on or when you run multiple appliances, your panel is telling you it's maxed out. Resetting the breaker fixes the symptom, not the cause.
And if you're planning to sell, a 200-amp panel with a clean inspection sticker removes a major negotiation point for buyers. We see panel age come up in almost every home sale inspection in the Valley.
We start with a free on-site assessment. We look at your current panel, your wiring, and talk through what you need now and what you might need in the next few years. Then we give you a written quote with no surprises later.
We pull the permit with your city (Phoenix, Mesa, Gilbert, Scottsdale, Chandler, we know all the local offices) and schedule the utility disconnect if needed.
Installation day usually means 4 to 8 hours without power. We remove the old panel, install the new one, reconnect and label every circuit, and test the entire system. After we're done, the city sends an inspector to verify everything meets code.
Most jobs are completed in a single day. You wake up with an old panel and go to bed with a new one.
If someone quotes you $1,200 for a full panel upgrade, ask questions. Are they pulling a permit? Are they licensed and insured? Are they using the panel brand you actually want, or the cheapest one available? Are they including the inspection?
A proper panel upgrade isn't a place to cut corners. This is the device that protects your entire home from electrical fire. The difference between a $2,500 job and a $1,200 job is usually the difference between doing it right and doing it fast.
If you want to know exactly what your panel upgrade will cost, reach out to us for a free estimate. We'll come look at your setup, answer your questions honestly, and give you a price you can count on.
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