A clear, no-surprises process from your first call to the final inspection.
In short: a whole-home standby generator sits permanently outside your home and switches on automatically within seconds of an outage, powering your essential circuits or your entire house from natural gas or propane. Most installs take a day or two, and we provide a flat quote after a free in-home assessment.
Storm season is already here in Grand Rapids, and winter’s right behind it. Grand Rapids’ older neighborhoods carry a heavy, mature tree canopy — beautiful most of the year, but it’s also the leading cause of the summer wind damage and winter ice storms that knock out power across the city. A standby generator protects what matters most when a line comes down on your block: your furnace, sump pump, well pump, refrigerator, medical equipment, and internet, without hauling out a noisy portable or running cords in the rain.
Unlike a portable unit, a whole-home generator is permanently installed, runs on your natural gas or propane, and starts on its own whether you are home or away. You get seamless, automatic backup power and real peace of mind.
Flat River Electric installs and services standby generators for homeowners across Grand Rapids, Ada, East Grand Rapids, Rockford, Grandville and Wyoming, and throughout West Michigan.
We know Grand Rapids well, from the historic streets of Heritage Hill and Eastown to the larger lots of East Grand Rapids and the rest of the metro. Many of the city’s older homes come with mature trees and aging electrical service, so a standby generator keeps your heat, sump pump, and essentials running when a storm knocks out the power. We size and place each system to fit the property, whether it’s a tight city lot close to downtown or a larger yard further out.
From sizing your system to keeping it serviced, we handle every part of your backup power.
Permanent, automatic backup power for your essentials or your entire home.
We measure your real loads and size the unit so it runs what you need, no more, no less.
Seamless switchover the moment the grid drops, and back again when it returns.
Natural gas or propane connections coordinated and installed to code.
Keep your generator ready with routine service, testing, and repairs.
We pull the permit, coordinate with your utility, and handle the final inspection.
We install and service Generac and other quality standby generators, sized and installed to keep your home powered for years.
We size every install to your home and budget. Here are the three common approaches.
Backs up the must-haves: furnace, sump pump, well pump, fridge, and key outlets. Typically an 11–14 kW unit.
Powers most of your home using smart load management, so a right-sized unit runs more for less. Typically a 16–20 kW unit.
Runs everything at once, including central air and electric appliances, with no compromises. Typically a 22–26 kW+ unit.
Not sure which fits? We’ll size it exactly during your free in-home assessment.
| Coverage Level | Typical Generator Size | What It Runs |
|---|---|---|
| Essentials | 11–14 kW | Furnace, sump pump, well/water pressure, refrigerator, key outlets |
| Managed Whole-Home | 16–20 kW | Most of the house, using smart load management to run more on a smaller unit |
| Full Whole-Home | 22–26 kW+ | Everything at once, including central air and electric appliances |
Exact sizing depends on your Grand Rapids home’s actual electrical load, confirmed during a free in-home assessment. Cost is quoted after that visit, not before, so your price matches your home — not a generic estimate.
No obligation, we usually reply the same day.
On install day: we set the pad and generator, connect the fuel and transfer switch, start it up, test the automatic switchover, and walk you through everything before we clean up. Then it quietly stands guard, ready the next time the power goes out.
Your standby generator runs on an engine with oil, filters, a battery, and spark plugs, just like your car. For it to start the instant the power goes out, it has to be maintained. Skip it, and the one time you need backup power most could be the time it won’t run.
We offer generator maintenance and service plans that keep yours tested, tuned, and ready all year, so you never have to wonder whether it will work when you need it.
Rated 4.9 out of 5 from 396 Google reviews ★★★★★
“Highly recommend. The team was on time, courteous, and answered all my questions before starting on our outdoor lights. They worked half the day in the rain to make sure the job was done on time.”
“Mike came out the next day to verify the location on a panel conduit leak. Very professional and explained in detail what needs to be done.”
“Mike and Grant were professional, communicated well, and got our service scheduled quickly. They fixed the wiring providing electricity to our garage.”
Book a free in-home assessment and we’ll size the right generator and give you a clear, flat quote.