Tri-State Generation and Transmission

A volunteer advisory group told the utility that serves Colorado’s second-largest city that it should look at adding a small nuclear reactor for additional power generation.

Colorado electric cooperative Tri-State Generation and Transmission Association is proposing aid to coal communities in its service territory as part of an unopposed comprehensive settlement of the first phase of  the group’s recent Electric Resource Plan (ERP). The company on June 27 said the filing is an important milestone in the energy transition of the […]

Colorado-based cooperative Tri-State Generation and Transmission Association will accelerate the closure of a coal-fired unit in the northwestern part of the state, and also announced a retirement date for an Arizona coal plant, as part of the utility’s latest electric resource plan (ERP). Tri-State on Dec. 1 also said it wants to acquire at least […]

(December 16, 2022 – Westminster, Colo.) The board of directors of not-for-profit wholesale power supply cooperative Tri-State Generation and Transmission Association have approved the return of $10 million in patronage capital refunds to its members for 2022. Patronage capital represents each member’s equity in Tri-State and is an accumulation over the years of the net […]

It’s kind of exciting to be able to write that events are back in full swing. In case you missed it, POWER hosted the co-located Experience POWER, Distributed Energy Conference, and HydrogeNext events, Oct

WESTMINSTER, CO (Sept. 21, 2022) — Expanding the Southwest Power Pool Regional Transmission Organization into the Western Interconnection could produce a net total of $55 million to $73 million per year in savings depending on hydrologic conditions, according to a new Brattle study commissioned by prospective SPP RTO participants in the Western Interconnection. The 2022 […]

Westminster, CO (July 26, 2022) – Wholesale power supply cooperative Tri-State Generation and Transmission Association filed a multiple-party settlement on July 22 with the Colorado Public Utilities Commission (CPUC) that, if approved, would result in the retirement of Rifle Station on or about Oct. 6, 2022. The unanimous settlement to close the combined-cycle natural gas […]

Westminster, CO (May 23, 2022) — In another significant step forward to achieve the flexibility goals in Tri-State Generation and Transmission Association’s transformative Responsible Energy Plan, an additional three utility members will pursue an alternative membership option with the wholesale power supply cooperative. A total of six utility members have been allocated an aggregate of […]

Tri-State Generation and Transmission Association, a wholesale power supply cooperative with 45 members in four states—Colorado, Nebraska, New Mexico, and Wyoming—announced its intentions to retire the Rifle Station, an 85-MW combined cycle facility in Rifle, Colorado. The announcement was made on April 5 in conjunction with a filing with the Colorado Public Utilities Commission (CPUC). […]

WESTMINSTER, CO (August 3, 2021) – On August 2, 2021, the Federal Energy Regulatory Commission approved a settlement in the first major rate case filed by Tri-State Generation and Transmission Association since the power supplier became subject to FERC jurisdiction in September 2019. The landmark uncontested settlement resolves key issues from regulatory filings that Tri-State […]

Siebert, Colorado (May 6, 2021) – Commercial operations have commenced at EDP Renewables North America’s (EDPR NA) 104-megawatt (MW) Crossing Trails Wind Farm. Tri-State Generation and Transmission Association is the project’s sole offtaker, through a long-term power purchase agreement (PPA) with EDPR NA. The new wind farm is located 20 miles south of Seibert, Colo., […]

The plan to retire the last coal-fired units at a power plant in Colorado has moved a step closer to completion, with the announcement that Colorado Springs Utilities (CSU) has chosen General Electric (GE) technology to keep the plant operating at least temporarily as a gas-fired facility. GE on Feb. 10 announced that six of […]

Westminster, CO (Dec. 1, 2020) — Tri-State Generation and Transmission Association would more than double its currently contracted solar and wind resources by 2030, add energy storage, and reduce emissions to help meet the needs of its member electric cooperatives and public power districts, in the “preferred scenario” of its Electric Resource Plan (ERP) filed […]

Two coal plants operated by Colorado Springs Utilities (CSU) will close early after the agency’s board voted June 26 to retire the facilities. The move will leave Xcel Energy, Colorado’s largest utility, as the only group still operating coal-fired units in the state after 2030. The CSU board in a 7-2 vote Friday decided to […]

Westminster, Colorado (April 9, 2020) – Tri-State has achieved a significant milestone in its transition to be a more flexible and even cleaner power supplier through its transformative Responsible Energy Plan. The cooperative’s board of directors, representing each utility member, approved a new partial requirements contract option that will deliver its utility members the flexibility […]

U.S. electric utilities and other energy companies are preparing to have key personnel remain at power plants and operations centers to ensure the facilities remain online during the coronavirus pandemic. The federal government considers power plants part of the nation’s critical infrastructure. The U.S. Department of Homeland Security (DHS) is responsible for working with power […]

More states are setting targets for renewable energy. Cities and counties are joining in. Utilities are formalizing commitments. And economics, as always, play a major role. The transition to clean energy

Colorado-based power cooperative Tri-State Generation and Transmission Association on Jan. 9 announced it will retire its lone New Mexico coal-fired unit by the end of this year, and cease operations of its remaining Colorado coal units, and the company’s coal mine, by 2030. Tri-State, which said the closures will impact about 600 workers, said state […]

WESTMINSTER, Colorado (July 17, 2019) — Tri-State Generation and Transmission Association is pursuing an aggressive Responsible Energy Plan to transition to a cleaner energy portfolio, while ensuring reliability, increasing member flexibility and with a goal to lower wholesale rates. “Our membership and board are unified in our pursuit of a cleaner, reliable and lower-cost resource portfolio,” said […]

A wholesale power provider in Colorado wants to supply the state’s largest electric cooperative with power from mostly renewable sources, saying it will pay Tri-State Generation and Transmission Association to retire its coal-fired plants in Colorado and New Mexico. Tri-State, at least for now, said it will not consider the offer. Denver-based Guzman Energy on May […]

(February 12, 2019 – Westminster, Colo.) — The Tri-State Generation and Transmission Association Board of Directors has selected Duane Highley as the cooperative wholesale power supplier’s next chief executive officer. Highley, who currently serves as president and chief executive officer for Arkansas Electric Cooperative Corp., and Arkansas Electric Cooperative Inc., will succeed Mike McInnes on […]

Colorado-based Tri-State Generation and Transmission Association, a group cited in an analysts’ report last year for its high wholesale power costs and its reliance on coal-fired units, on Jan. 11 announced a 100-MW project that will more than double its solar power portfolio as it continues to add to its renewable power resources. Tri-State in […]

Xcel Energy has announced its plan to move to 100% carbon-free power generation by 2050, with the utility also saying it will reduce carbon emissions by 80% by 2030, from 2005 levels. Xcel, headquartered in Minneapolis, Minnesota, serves customers in eight states and over the past two years has announced a significant number of renewable […]

A coal-fired plant in Colorado needed to further reduce its emissions to comply with more-stringent regulations. The work presented several challenges, and the owner and contractors worked together to complete