Apply For Service - Tri-County Electric Cooperative (Illinois)


As a member-owner, you have a voice in the cooperative which enables you to vote on bylaws and elect Directors at your Annual Meeting.  Every member receives the Hi-Lites newsletter each month which keeps you informed on the latest news at your cooperative.  

Count on Tri-County Electric as your local energy resource.  Whether you're improving the energy efficiency of your home or simply looking for quick tips, Tri-County Electric Cooperative is here to help!

Please take a moment to view our membership documents:
Member Handbook 

New Construction

To receive electric service to a location that is not currently receiving service you have the option to do one of the following:

1. Call our Mount Vernon office at 618-244-5151.
2. Complete the application process in person at either of our locations in Mt. Vernon or Salem.
3. Complete the application process online.  

Once the proper paperwork is completed, an engineer will schedule an appointment at the site to review any work that needs to be completed before the service can be built. 

Did you know that all new construction, primary residence homes are eligible to receive a water heater from the cooperative for $1? Learn more! 

Building the Home of Your Dreams - A homebuilder's guide to energy efficiency

Note: Prior to digging, members are responsible for contacting JULIE at 8-1-1 or 1-800-892-0123 for locating all underground facilities. Learn more at

Moving In?

If you are moving into a home on cooperative lines, you may call the office or stop by either of our office locations in Mt. Vernon or Salem to complete the application process.  You may also apply for service online.