United Power Strikes Deal with Denver-based Guzman Energy Ahead of Its Tri-state Exit

A Brighton-based co-op, serving one of the region's fastest-growing areas, reveals a wholesale power deal it has reached with a Denver-based energy supplier.
Photo by Denver Business Journal
  • Denver Business Journal

Another major rural cooperative utility just outside Denver has struck a deal to buy wholesale electricity from upstart power provider Guzman Energy.

Brighton-based United Power Inc. on Wednesday revealed that it will start buying electrical power from Denver-based Guzman Energy next May. It’s United Power’s first publicly announced step away from using Westminster-based Tri-State Generation and Transmission Association Inc. as its main power supplier.

Guzman Energy will supply about a third of United Power’s wholesale electricity after the cooperative utility’s contract with Tri-State ends.

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August 19, 2025