Electrical Panel Upgrade in Tampa, FL

Why Tampa homes need panel upgrades

Much of Tampa’s housing stock was built when 60- and 100-amp service was standard — an era of one TV, window AC units, and no home computers, let alone EV chargers, central air running 10 months a year, and kitchens full of high-draw appliances. An undersized panel doesn’t just limit what you can add; it runs its breakers near capacity constantly, which accelerates wear and raises the risk of overheating at the bus bars.

Signs your panel is maxed out or outdated

• Your panel is 60 or 100 amps. Modern Tampa homes are built with 200-amp service. If you’re adding an EV charger, a hot tub, a workshop, or even a big mini-split, 100 amps often isn’t enough — a licensed electrician runs a load calculation to confirm.
• Breakers trip regularly. Occasional trips are normal protection. Trips every time you run the microwave and the AC together mean the panel can’t serve your actual load.
• Warm breakers, buzzing, or a burning smell at the panel — stop and call an electrician. These are warning signs of failing connections, not annoyances to live with.
• Fuses instead of breakers. Fuse panels mean your electrical system predates modern protection standards and almost always accompanies other outdated wiring.
• Known-problem panel brands. Some panels installed widely in mid-century Florida homes (homeowners often hear the names Federal Pacific and Zinsco) have documented failure rates where breakers don’t trip when they should. Many Tampa electricians recommend replacing these on sight, and some insurers now ask about them directly.
• Double-tapped breakers or a crowded panel with no open slots — a common finding when previous owners added circuits without upgrading capacity.

The 100-amp to 200-amp upgrade process

1. Load calculation and evaluation. The electrician reviews your current panel, service line, meter base, and grounding, and calculates your home’s actual demand to size the new service correctly.
2. Permit pulled. Your electrician obtains the electrical permit from your city or county. This is non-negotiable — the utility won’t reconnect power without a passed inspection.
3. Utility coordination. The power company schedules the disconnect. You’ll be without power for several hours — plan accordingly (fridge, medical devices, summer heat).
4. Panel replacement. Old panel comes out; new 200-amp panel, breakers, grounding, and often a new meter base go in. Most of the work is done in one day (4–8 hours on site).
5. Inspection and reconnection. The inspector signs off, the utility restores power, and you get documentation — keep it for your insurance file and future home sale.

What it costs

A straightforward 100→200-amp upgrade in Tampa typically runs $1,800–$4,000. Jobs land at the lower end when the meter base, grounding, and service mast are already sound; they climb when those need replacement, the panel moves location, or significant rewiring is required. Whole-home surge protection (see below) is often added during the same visit for $300–$800 — the panel is already open, so labor is minimal.

Related: surge protection during an upgrade

Tampa sits in the highest-lightning-density region of the U.S., and a new panel is the ideal moment to add a panel-mounted surge protector. Our whole-home surge protection guide explains how Type 2 SPDs work and why they’re especially valuable here.