Trusted Electrical Services from Fort Atkinson to Janesville to Sun Prairie to Oconomowoc!

Call Now: 608-618-1452

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    • Home
    • Services
      • Repair
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    • FAQs
    • Service Areas
      • Our Service Areas
      • Janesville
      • Oconomowoc
      • Sun Prairie
      • Fort Atkinson
      • Cottage Grove
      • Lake Mills
      • Edgerton
      • Cambridge
    • About
      • Our Story
      • Why Choose KLE
      • Customer Reviews
    • Contact

Call Now: 608-618-1452

  • Home
  • Services
    • Repair
    • Remodel
    • New Construction
  • FAQs
  • Service Areas
    • Our Service Areas
    • Janesville
    • Oconomowoc
    • Sun Prairie
    • Fort Atkinson
    • Cottage Grove
    • Lake Mills
    • Edgerton
    • Cambridge
  • About
    • Our Story
    • Why Choose KLE
    • Customer Reviews
  • Contact

Our Story: Your Local, Expert Electrician Built on Family Values & Trust

Rolling hills of farmland and peace in SW Wisconsin.

Wisconsin Roots, Expert Electrical Solutions, and Customer Satisfaction

Master Electrician Mark Mook founded Key Light Electrical in Colorado, driven by his passion for quality electrical work. Now, with a desire to be closer to family and to serve his home state, he has brought Key Light Electrical back to Wisconsin, committed to serving the people of Fort Atkinson, WI, Jefferson County, and all surrounding areas to include Stoughton, Cottage Grove, and Deerfield.


We're proud to build lasting relationships with our clients across Jefferson County, and within the surrounding communities of Dane, Rock, and Waukesha counties. With over 22 years of electrical experience, we understand the unique electrical needs of homes and businesses and we offer a comprehensive range of services, including remodels, repairs, and new construction. Our unwavering goal is to provide reliable, safe, and code-compliant electrical solutions that not only meet but exceed the highest standards of quality.

Call Us, We Want to Help!

From Wisconsin Roots to Your Trusted Electrical Partner

The Key Light Electrical family, Mark Mook and his wife, with their two rescue dogs.

Decades of Experience, Driven by Passion

Master Electrician Mark Mook's journey began over two decades ago, honing his skills in remodel, repair, and new construction projects. Driven by an unwavering passion for quality work, Mark founded Key Light Electrical in 2016 in Colorado. Now, back in his home state of Wisconsin, and residing in Fort Atkinson, he brings his extensive expertise and unwavering dedication to the residents of Jefferson County, and all surrounding areas to include Edgerton, Lake Mills, and Watertown.

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Your Friendly, Expert Local Electrician

Key Light Electrical's inaugural ribbon cutting ceremony.

Experienced, Friendly Professionals

At Key Light Electrical, we believe in combining exceptional expertise with a friendly, approachable demeanor. With over 22 years of licensed experience, we deliver quality workmanship and a genuine dedication to your satisfaction on every residential and commercial project, serving Sun Prairie, Whitewater, Cambridge, and Oconomowoc.

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Built on Small-Town Values, Serving Our Community

Key Light Electrical owner, Mark Mook, and his two rescue dogs, Jack and Lucy, on a hike.

Wisconsin Born and Raised!

Founded in 2016 by Boscobel-native and Master Electrician, Mark Mook, Key Light Electrical embodies the values of unwavering attention to detail, safety, reliability, honesty, and that special small-town charm we Wisconsinites hold dear. With over two decades of experience in residential and commercial remodels, repairs, and new construction, our personable team is eager to work with you, our neighbors in Milton, Jefferson, Johnson Creek, Waterloo, and Delafield. We're not just electricians; we're your fellow community members, committed to powering your dreams.

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  • Home
  • Repair
  • Remodel
  • New Construction
  • FAQs
  • Our Service Areas
  • Janesville
  • Oconomowoc
  • Sun Prairie
  • Fort Atkinson
  • Cottage Grove
  • Lake Mills
  • Edgerton
  • Cambridge
  • Customer Reviews
  • Contact

Key Light Electrical

Fort Atkinson, Wisconsin 53538, United States

(608) 618-1452

Copyright © 2025 Key Light Electrical - All Rights Reserved. 

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Master Electrician License 1578252

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