Population 633,000 · 3 license-checked installers listed
Showing 3 of 3 installers. Check the box on any installer below to compare a few side by side or request quotes directly from the ones you pick.
Grizzly Electric is a Metro Detroit electrical contractor that installs Generac standby generators for homes and businesses.
Metro Electric is a Southeast Michigan electrical contractor offering Generac whole-home standby-generator sales, installation, service, and residential electrical work.
Seaglund Electric provides Metro Detroit homeowners and businesses with Generac standby-generator installation, transfer-switch integration, and electrical upgrades.
What the 3 installers listed here have on record. A missing answer only means it isn't on record yet, so ask. Why these questions matter.
| Is their state electrical license active? | 3 of 3 have a license we checked against the state board |
|---|---|
| Are they an authorized dealer for the brand you want? | 3 of 3 list at least one brand they install: Generac (3). Ask whether they are an authorized dealer |
| Will they pull the permit and schedule the inspection? Permit requirements by state | None mention permit help yet, ask if it is in the quote |
| Who services the generator after it's installed? Generator maintenance checklist | None mention maintenance or repair yet, ask who services it |
| Can you reach them during an outage? | None advertise 24/7 service yet, ask about after-hours response |
| What does their workmanship warranty cover? Generator warranty guide | None have posted warranty details yet, get it in writing |
| Do they offer financing? Generator financing options | None list financing yet, ask when you request a quote |
Look up a license yourself with the Michigan licensing authority
Every installer above has a checked state electrical license. They're listed alphabetically, and no one pays for placement. See our listing standards.
Based outside Detroit, within a realistic drive.
JD Electric LLC is a licensed Michigan Electrical Contractor (license #6113605) based in Ann Arbor, MI.
Gainsley Electric, Inc. is a licensed Michigan Electrical Contractor (license #6106500) based in Ann Arbor, MI, in business since its founding in 1986.
Bremray Electrical LLC is a licensed Michigan Electrical Contractor (license #6115428) based in Ann Arbor, MI.
Koch & White Heating and Cooling, Inc is a licensed Michigan Electrical Contractor (license #6105054) based in Ann Arbor, MI, a full-service HVAC and electrical contractor.
Whole-home standby generator installation in Detroit typically costs $7,000-$15,300 all-in. See our full cost breakdown guide for what drives the price up or down, or use the generator sizing calculator for an estimate based on your own home.
LumoWatt estimate, not a published market study. Your quote depends on your home and site.
Detroit requires a city-licensed electrician and an electrical permit for permanently installed generators, transfer switches, and associated wiring.
See the full Michigan state permit overview.
Michigan homes face outages from severe thunderstorms, high winds, heavy snow, ice storms, falling trees, and lake-effect weather. Detroit and Grand Rapids experience both summer storms and winter icing, while Traverse City has additional lake-effect snow and prolonged cold-weather exposure.
Closest first, straight-line distance.
Page data last updated July 30, 2026. Who runs LumoWatt.
