Generator Installation in St. Petersburg, FL

Sizing a Generator for a Tampa Bay Home

The single most common generator mistake is buying on price and discovering during the outage that the unit cannot start the air conditioner. Sizing starts with a list of what you actually need to run and the starting and running wattage of each item. A refrigerator runs on a few hundred watts but needs more than a thousand to start. A well pump is similar. A central air conditioner is the big one: a 3 ton unit might run at 3,500 watts but need 10,000 or more to start its compressor, which is why a 7,500 watt generator stalls the moment the AC calls. A soft-start kit installed on the air conditioner can cut that starting surge by 60 to 70 percent and is often the difference between needing a 12,000 watt portable and a whole-home standby unit.

For portable setups, we help you choose which circuits go on the transfer switch. Refrigerator and freezer, a few lighting circuits, the kitchen outlets, the internet equipment, the well pump, the garage door and a bedroom or two with fans cover what most families need for a multi-day outage. A DuroMax XP12000E or a dual-fuel unit in the 10,000 to 13,000 watt range can usually carry those plus a smaller or soft-started air conditioner. For standby generators we calculate the whole-home load and often install a load-shedding module that holds the air conditioner or the water heater off for a moment while other large loads start, which lets a smaller, less expensive generator run the whole house.

Fuel planning matters as much as wattage. A gasoline generator burns through its tank in eight to twelve hours and gasoline is the first thing to vanish before a storm, so we recommend dual-fuel or tri-fuel units that also run on propane, which stores indefinitely in standard cylinders, or natural gas where TECO Peoples Gas service exists. A standby generator on natural gas has unlimited runtime, and one on propane needs a tank sized for several days. We also set up a maintenance plan, because a generator that has not been exercised monthly and serviced yearly is the one that will not start in September.

Get Ready Before the Cone Is on the Map

The worst time to call about a generator is when a named storm is in the Gulf, because every electrician in Florida is booked and equipment is sold out. The best time is right now. Portable inlet and transfer switch installations can often be scheduled within days, and standby systems planned in the off-season avoid the lead times that stretch to months each summer. Lightning Bay Electric serves Hillsborough, Pasco, Pinellas, Polk and Manatee counties; see our service areas for your town, read our customer reviews, and call (813) 897-2665 or reach us through the contact page for a written quote on a generator that fits your home and budget.

Backup Power Is Not Optional in Tampa Bay Anymore

Anyone who sat through the days after Hurricane Ian, Helene or Milton without power knows exactly why generator installation has become one of the most requested services in Tampa Bay. Summer outages here are not a cold inconvenience; they mean a house at 88 degrees with 90 percent humidity, a freezer full of spoiled food, a well pump that will not run, refrigerated medications warming on the counter, and in many neighborhoods, a septic lift station that stops working. TECO and Duke Energy crews do heroic work after storms, but the outage map does not care how fast you need your power back. A properly installed generator does.

Lightning Bay Electric is a family owned and operated, Florida licensed electrical contractor (EC13013571) based in Tampa, and we are a DuroMax Authorized Dealer and DuroMax Authorized Installer. That combination is unusual: it means we can sell you the generator, deliver it, install the inlet and transfer switch, and start it up, all under one license and one warranty conversation. We also install Generac, Kohler and Briggs and Stratton standby generators with automatic transfer switches for homes that want backup power to take over by itself. The Generac system pictured on this page is a Tampa installation we completed, and the DuroMax XP12000E in our gallery went to a family in Riverview before last hurricane season.

Standby Generator or Portable Generator With an Inlet?

This is the first question we help every customer answer, and the honest answer depends on budget, how long you expect to be without power, and what you need to run. A whole-home standby generator, typically 18 to 26 kW for a Tampa Bay single-family home, sits on a pad beside the house, runs on natural gas or propane, and starts automatically within seconds of an outage through an automatic transfer switch. It will run your central air, well pump, water heater, kitchen and everything else. It is also the more expensive path, usually $10,000 to $18,000 installed, plus gas piping or a propane tank if you do not have gas service.

A portable generator with a properly wired inlet is the practical choice for a great many families. A DuroMax dual-fuel or tri-fuel generator in the 9,000 to 13,000 watt range costs $1,200 to $3,000, and we install a 30 or 50 amp inlet on the exterior wall connected to a manual transfer switch or an interlock kit at your panel for $800 to $2,000 more. When the power goes out, you roll the generator out, plug in one cord, flip the interlock, and choose which circuits to run. Refrigerator, lights, fans, internet, the well pump and often a smaller or mini-split AC are all realistic. Dual-fuel matters in Florida because gasoline disappears from stations before a storm, while a propane cylinder sits in the garage for years.