Wyoming
2025 Wyoming Legislative Session
Tri-State Generation and Transmission Association, Inc. is a not-for-profit cooperative power supplier. Our mission is to provide our member systems a reliable, affordable and responsible supply of electricity in accordance with cooperative principles. Our membership includes Wyoming communities as far north Powell as and as far south as Pine Bluffs.
Co-Owner
Laramie River Generating
Station in Wheatland, WY
Zip codes served in Wyoming
Our service territory lands in 4 of
8 Wyoming national forests
Our Members
- BH – Big Horn Rural Electric Company
- CB – Carbon Power & Light, Inc.
- GL – Garland Light & Power Company
- HP – High Plains Power, Inc.
- HW – High West Energy, Inc.
- NB – Niobrara Electric Association, Inc.
- WL – Wheatland Rural Electric Association
- WY – Wyrulec Company
Have questions?
Austin Rodemaker
Government Relations Advisor
austin.rodemaker@tristategt.org
(307) 287-5485
Transmission Crews Restore Three Lines After Tornado Damage
Transmission Maintenance crews responded quickly and in force to restore electric service in southeast Colorado, northeast Colorado and southeast Wyoming after tornadoes damaged three of our transmission lines over a six-day period. Their dedication and skill, along with that of the Engineering and Construction department and Inventory Control department, ensured the resiliency of our transmission system after severe weather extensively damaged or destroyed 40 structures.
Communities Win with Rebates: Two Business Owners Make Rebates Work for Them
Cooperatives like Big Horn are always looking for ways to better serve their member-owners. One way of doing that is by offering rebates for energy-efficient home and business upgrades.
Vegetation Management: What It Is and Why It Works
Tri-State’s mission is to provide reliable, affordable and responsible energy to our members and that work includes planning ahead to avoid risks to our transmission system that can cause power outages.