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Generator Installation in Wisconsin

A Wisconsin outage in January is not an inconvenience, it is a frozen-pipe risk. A standby generator installation in Wisconsin keeps the furnace, sump pump, well pump and refrigerator running automatically, whether you are home or not.

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Generator Installation across Wisconsin

The generator itself is only part of the job. Sizing comes first: we add up the loads you want to run and choose a unit that can start them without strain. Then comes the pad and placement, the gas connection in coordination with your plumber or gas supplier, the automatic transfer switch at the panel and the permit. Generac is headquartered right here in Waukesha, Wisconsin, and its air-cooled home standby units are the ones we are asked about most, but we install and wire other major brands as well.

Looking for a backup generator electrician in Wisconsin? We size, install and wire whole house generators with automatic transfer switches, and set up safe inlet connections for portable generators when a full standby unit is more than you need.

Generator Installation: what is included

Whole house generator installation

Standby units sized to carry the entire home, switching on within seconds of an outage.

Standby generator with essential circuits

A smaller unit and load-shedding or a critical-loads panel to cover heat, pumps, refrigeration and lights.

Generac installation

Placement, electrical connection and start-up of Generac home standby generators and transfer switches.

Automatic transfer switch wiring

The switch that isolates your home from the grid and moves it to generator power safely.

Portable generator inlet and interlock

A proper inlet box and interlock or manual transfer switch, so you never back-feed through a dryer outlet.

Generator service connections

Rewiring, relocating or upgrading the electrical side of an existing generator.

A generator makes sense for your home if

  • You rely on a sump pump or well pump
  • Someone in the home depends on powered medical equipment
  • You work from home or run a business on site
  • You travel in winter and worry about frozen pipes
  • Your street loses power in most big storms

Generator Installation FAQ

What size generator do I need for my Wisconsin home?

It depends on what you want to keep running. Many homes with gas heat are well served by a 14 to 26 kW air-cooled unit. We do a load calculation rather than guess, because an undersized generator stalls and an oversized one wastes fuel.

Does a standby generator run on natural gas or propane?

Either. In town, natural gas is the usual choice. Rural properties around Wisconsin typically use propane, and we coordinate tank sizing with your supplier.

How long does installation take?

The on-site work is usually one to two days once the generator, permit and gas connection are lined up.

Can I just plug a portable generator into an outlet?

No. Back-feeding through an outlet can electrocute utility workers and destroy your generator when the grid returns. An inlet box with an interlock or transfer switch is the safe, legal way to do it.

What to expect when you call

  1. Call (888) 633-7804

    Tell us what is happening. For emergencies we dispatch right away; for planned work we book a time that suits you.

  2. Diagnosis and fixed quote

    An electrician looks at the job, explains what is needed in plain language and gives you a price before starting.

  3. Work done to code

    We complete the work with the right materials, pull any permit required and test everything.

  4. Walkthrough and cleanup

    We show you what was done, label the panel where it applies and leave the space clean.

Generator Installation near me: choose your Wisconsin city

We provide generator installations in 633 Wisconsin communities. Pick yours for local details and the number to call.

Call for generator installations in Wisconsin

Electricians on call statewide, day or night.

(888) 633-7804
Call (888) 633-7804