Mainline Electric LLC

08/31/2026

Mainline Electric is your local, full-service electrical contractor specializing in residential, commercial, and industrial work.

08/28/2026

TEAMWORK

08/28/2026

Closing out Summer 2026 mainlineelectricllc

08/27/2026

🚨 FREE 10-YEAR GENERAC WARRANTY! 🚨

Book your Generac whole-home standby generator installation with Mainline Electric by September 27, 2026, and receive a FREE 10-year extended warranty!

As your local authorized Generac dealer, Mainline Electric provides complete, professional generator installation and dependable service from start to finish.

✅ Automatic whole-home backup power
✅ Financing options available
✅ Free estimates
✅ Five-year Mainline installation warranty

Appointments are limited. Call Mainline Electric today to book your installation and secure your FREE 10-year Generac warranty!

08/21/2026

GENERAC HOME STANDBY GENERATORS
Installed & Serviced by Mainline Electric

Protect your home with reliable, automatic backup power from a professionally installed Generac Home Standby Generator.

Mainline Electric provides a complete, start-to-finish generator solution:

• Professional Generac generator installation
• Complete electrical and transfer switch installation
• Annual maintenance and service
• Generac 10-Year Warranty
• Free in-home estimates
• Financing available through our lending partners
• Up to 0% financing for prequalified customers

From the initial estimate through installation and yearly maintenance, Mainline Electric is your local source for complete home standby power solutions.

Call Mainline Electric today to schedule your FREE estimate and learn more about available financing options.

MAINLINE ELECTRIC LLC
Professional Electrical & Generator Solutions

06/15/2026

Did you know Mainline Electric services, maintains, and installs both Generac and Kohler standby generators?

Our certified technicians provide expert maintenance, troubleshooting, repairs, and complete installations on all models of standby generators. Whether you need annual service, emergency repairs, or a new backup power system, Mainline Electric has you covered.

Serving residential, commercial, and industrial customers throughout Eastern Connecticut.

06/07/2026

05/25/2026

This Memorial Day, we pause to remember and honor the brave men and women who made the ultimate sacrifice for our country.

At Mainline Electric LLC, we proudly wear the American flag on all of our company apparel because freedom, hard work, and patriotism are values we carry with us every single day, on and off the job site.

No matter the project, the truck, or the uniform, we never forget the sacrifices made by those who served this nation and gave us the opportunity to live and work freely.

Today we honor the heroes who gave everything for America. From our family to yours, thank you to all who served and especially to those who never made it home.

God Bless America. 🇺🇸

FamilyOwned GodBlessAmerica AmericanMade ElectricalContractor

04/29/2026

At Mainline Electric, we specialize in commercial and industrial electrical solutions built for high-demand environments like distribution centers and warehouses. We ensure your operation runs efficiently, safely, and without downtime.

Whether you’re adding new charging stations, upgrading existing infrastructure, or troubleshooting heavy-duty equipment our team delivers work you can rely on.

Forklift charger installations & upgrades
480V & 3-phase power distribution
Panel upgrades & dedicated circuits
Troubleshooting & emergency service 7 days a week.

Keep your fleet charged and your operation moving.

📞 860-530-6680
🌐 www.mainlineelectricct.com

04/25/2026

Not just vans, this is a system.

Every Mainline Electric truck is fully stocked, organized, and ready to solve problems on the spot. No delays. No runarounds. Just clean, professional work done right the first time.

860-530-6680

Mainline Electric

When it has to be done right.