SE Wisconsin's AI-Powered Electrical Contractor
Power Your Future.
Licensed master electrician serving residential and commercial clients with cutting-edge technology and old-school craftsmanship.
Our Services
Full-spectrum electrical services for homes and businesses across SE Wisconsin.
Residential Electrical
Complete home electrical services — wiring, outlets, fixtures, and whole-house upgrades.
Commercial Electrical
Professional electrical solutions for businesses, offices, and retail spaces.
Generator Installation
Whole-home and commercial backup power you can count on when the grid goes down.
EV Charger Installation
Level 2 home and commercial EV charging station installation and setup.
Panel Upgrades
Modernize your electrical panel for improved safety, capacity, and code compliance.
Lighting Design
Energy-efficient LED lighting, recessed lighting, and complete lighting retrofits.
Surge Protection
Whole-home surge protection to safeguard your electronics and appliances.
Smart Home
Smart switches, automated lighting, and whole-home automation wiring.
Why Couillard Electric
Not Your Average
Electrician.
We combine old-school craftsmanship with cutting-edge technology. Our AI assistant Vera handles scheduling so Dennis can focus on what he does best — expert electrical work done safely, on time, and at a fair price.
Licensed master electrician. Family-owned. Serving Grafton and SE Wisconsin since 2013. Every job is backed by our commitment to quality and code compliance.
What Our Customers Say
“Dennis did an amazing job installing our new panel. Professional, on time, and cleaned up everything. Highly recommend!”
“Called for an emergency on a Sunday and they were here within 30 minutes. Fixed our issue quickly and the price was very fair.”
“Had them install an EV charger in our garage. Great communication, great work, great price. Will use again.”
“Professional and knowledgeable. Upgraded our whole home lighting to LED. The difference is incredible.”
“Very responsive and did quality work on our commercial space. Would definitely hire again.”
“The best electrician we've ever worked with. Dennis explains everything clearly and does top-notch work.”
Coverage Area
Proudly Serving SE Wisconsin
50-mile radius from Grafton, WI
Sheboygan County
Ozaukee County
Washington County
Let's Get Started
Ready to Power Up?
Professional electrical services throughout SE Wisconsin. Schedule online or call today.
WI Master Electrician #1293757 · Licensed & Insured