Thunderlite Electrical Contracting

04/29/2026

Full-Service Electrical Contractor and Cummins Generator dealer in Simcoe County, Muskoka and Surrounding area. Contact Mark Kowalski for all your electrical & generator needs! 705-427-4586.

12/21/2025

Thunderlite Electrical will be closed for the holiday season starting Wednesday December 24th & will reopen on January 5th 2026. We wish everyone a very Merry Christmas, Happy Holidays and a safe & healthy, prosperous New Year.

09/14/2025

Did the last ice storm give you PTSD? Contact Mark at Thunderlite Electrical Contracting ~ a local Cummins Generator dealer. To get a quote call 705-427-4586.

09/09/2025

Another satisfied customer is prepared for the next power outage! Contact Mark to get a quote or to purchase your very own Cummins Generator. 705-427-4586.
Power when you need it the most! 🏘🔌💡

05/07/2025

Part of being prepared is knowing you’ll have power when the power goes out!
Contact Mark to discuss getting a quote to purchase a generator for your home, cottage or business. 705-427-4586. 🔌💡⚡️

Cummins 17RS installed in Oro Medonte. Another happy customer who will have power when the hydro goes out! 🔌⚡️💡

Contact Mark to discuss getting your own generator. 705-427-4586.

04/02/2025

If you are looking for pricing or to order a Cummins generator or for any electrical needs you can contact Mark at 705-427-4586.

10/18/2024

It’s Marks birthday today!! Feel free to send him a text with HBD well wishes and don’t forget to say who is texting.

03/02/2024

Thunderlite Electrical Contracting is a company offering residential & commercial electrical repairs in Simcoe County, Muskoka & surrounding areas. Call us.

01/23/2024

Thunderlite Electrical Contracting provides expert residential & commercial electrical repair in Simcoe County, Muskoka and surrounding areas. Call us now.

12/13/2023

Another happy customer with their new kitchen lighting & new Cummins generator. Contact Mark for all your electrical needs. 705-427-4586.