Aerial view of Random Lake, Wisconsin

Master electrician, Southeast Wisconsin

Dennis Couillard · WI Residential Master Electrician #1293757.
Home: Random Lake. Eight counties.

Call (262) 618-2851

Residential services.

Neatly installed residential electrical service panel
Residential service upgrades · Southeast Wisconsin
01

Panels and metersElectrical service upgrades

Meter bases, permits, and dedicated circuits for workshops and HVAC.

02

Home chargingEV charger installation

Level 2 charging with dedicated circuits and garage feeds.

03

Existing homesWhole-home rewiring

Knob-and-tube removal, new wiring, and service upgrades.

04

Backup powerStandby generators

Generac systems, automatic transfer switches, and whole-home backup.

05

Outdoor electricalLandscape lighting

Low-voltage fixtures, smart controls, zones, and lighting design.

06

Inside your homeLighting fixtures

Pendants, sconces, ceiling fixtures, and controls for the rooms you use every day.

07

Connected controlsSmart home automation

Switches, dimmers, and connected controls selected for your home and how you use it.

08

Buying or sellingHome electrical inspections

An electrician’s assessment with a written report. Electrical systems only—not a licensed home inspection.

Wisconsin towns we are proud to serve.

Eight-county service area: Sheboygan, Ozaukee, Washington, Milwaukee, Waukesha, Fond du Lac, Calumet, and Manitowoc.

Aerial view over Random Lake, with kayaks and shoreline homes at dusk.
Random Lake

Home · Sheboygan County

The village and surrounding farmland are Couillard Electric’s home base. Random Lake took its name after surveyors ran a random line and found the lake in 1835.

Illustration of Cedarburg: a stone mill beside a tree-lined creek.
Cedarburg

Ozaukee County

Its historic district preserves more than 200 buildings, and Cedar Creek powered its early mills.

Illustration of Grafton: brick buildings reflected in the river beside a stone walkway.
Grafton

Ozaukee County

Established on the Milwaukee River in 1846, Grafton now has 20 parks.

Illustration of Mequon: homes and lawns along a quiet, tree-lined road.
Mequon

Ozaukee County

Rural estates meet suburban neighborhoods; about half the city remains undeveloped, including a 510-acre nature preserve.

Illustration of Plymouth: historic brick storefronts along a leafy downtown street.
Plymouth

Sheboygan County

The Mullet River runs through Plymouth, known as the Cheese Capital of the World and “Hub City.”

Illustration of Port Washington: moored sailboats and a harbor breakwater at dusk.
Port Washington

Ozaukee County

Ozaukee County’s seat meets Lake Michigan at a working harbor. Its downtown preserves a remarkable collection of pre-Civil War buildings.

Illustration of Sheboygan Falls: river cascades below old mill buildings and trees.
Sheboygan Falls

Sheboygan County

The river falls powered early mills; the downtown historic district has been nationally listed since 1984.

Illustration of Sheboygan: lakeshore grasses and a long pier with a red lighthouse.
Sheboygan

Sheboygan County

Sheboygan meets Lake Michigan at beaches, a boardwalk, and marina, near the John Michael Kohler Arts Center.

Illustration of West Bend: a curving riverside walkway below trees and brick buildings.
West Bend

Washington County

Washington County’s seat is named for a westward bend in the Milwaukee River, which runs through its downtown and Riverwalk.

Couillard Electric LLC

116 Google reviews.

“Extremely knowledgeable and friendly. He took the time to explain everything to me…”

Sue Spersrud · Google review · January 2026

“…the technician explained the issues and my options. I had my problem solved in under an hour at an affordable, fair price.”

Adam Mundt · Google review · November 2025

License, warranty, dispatch.

Electrical Contractor #1325885
Licensed and insured
One year warranty on our labor. Materials, fixtures and outlets aren't covered.
Dispatched by American Home Shield, Cinch, and Rely.