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In this section, you will find the most current press release and news stories about Tri-State and its operations.




Tri-State and Kit Carson Electric Cooperative enter into membership withdrawal agreement.
The agreement, which was signed by Tri-State and Kit Carson Electric Cooperative, Inc. (KCEC) on June 21, 2016, is subject to KCEC's receipt of certain approvals and provides for the termination of the wholesale electric service contract between Tri-State and KCEC and the withdrawal of KCEC from membership in Tri-State effective as of the closing date.
Western Fuels-Colorado announces name change to Elk Ridge Mining and Reclamation
Western Fuels-Colorado, LLC, has changed its name to Elk Ridge Mining and Reclamation, LLC. Elk Ridge Mining and Reclamation is a wholly-owned subsidiary of wholesale electric power cooperative Tri-State Generation and Transmission Association, Inc.
Integrated Test Center breaks ground in Wyoming.
The next generation of low-carbon energy technology is now one small step closer to reality with the recent groundbreaking at the Dry Fork Power Station outside Gillette, Wyoming.
Tri-State board officers elected following 2016 Annual Meeting.
Tri-State held its 64th annual meeting in Broomfield, Colo., on April 6, 2016. Approximately 490 electric cooperative representatives and industry officials attended the meeting to review the association's performance and discuss the issues facing the electric utility industry.
Tri-State lauds Supreme Court decision to stay Clean Power Plan
On Feb. 9, 2016, the U.S. Supreme Court granted the applications of numerous parties, including Tri-State, to stay EPA’s Clean Power Plan for the period of time the rule is being challenged in court.
Environmental assessment for Colowyo Mine project available for public comment Jan. 19
  • Collom project will sustain 220 Northwest Colorado mining jobs
  • Department of Interior coal program review not expected to impact process
  • Mine will donate more than 4,500 acres of Greater Sage Grouse habitat to state
New Mexico jury affirms cooperative business model in Las Conchas fire trial
A jury in the Sandoval County District Court affirmed that Tri-State Generation and Transmission Association Inc. is not responsible for the actions of Jemez Mountains Electric Cooperative, Inc. (JMEC), one of its 44 member distribution cooperatives, in a trial stemming from the 2011 Las Conchas Fire in New Mexico.
Tri-State files legal challenge on Clean Power Plan
Association working with states to develop state plans even as it challenges flawed federal rule.
Tri-State Announces 25-Megawatt Alta Luna Solar Project
Partnership among Tri-State G&T, Columbus Electric, TurningPoint Energy and Investors Will Serve Electric Cooperatives across Four States. They announced the execution of a 25-year contract to supply the utility with renewable energy from the planned Alta Luna Solar Project to be constructed in Luna County in southwest New Mexico.
Colowyo Mine Plan Approved by U.S. Department of the Interior
  • Federal government completes court ordered review within 120-day deadline
  • New mine plan replaces challenged plan
  • Environ mental assessment finds no significant environmental impact from mining operations
Tri-State and juwi Announce Power Purchase Agreement for 30 Megawatt Solar Energy Project
Tri-State Generation and Transmission Association, Inc. and juwi Inc., a Colorado-based renewable energy company, today announced a 25-year contract to supply the utility with renewable energy from the planned San Isabel Solar Project to be constructed in southern Colorado.
Iberdrola Renewables Announces Wind Power Agreement with Tri-State Generation and Transmission Association
Iberdrola Renewables today announced a 25-year contract to supply Tri-State Generation and Transmission Association, Inc. with renewable energy from the planned Twin Buttes II Wind Project.
Colowyo files for stay pending appeal of WildEarth Guardians v. Office of Surface Mining
Colowyo Coal Company, a subsidiary of Tri-State Generation and Transmission Association, Inc., filed a motion for a stay pending appeal of the Colorado Federal District Court May 8 ruling against the Office of Surface Mining (OSM) in a lawsuit challenging the mining permits issued for Colowyo Mine.
Tri-State statement on WildEarth Guardians v. Office of Surface Mining ruling
Tri-State is extremely disappointed in the Federal District Court decision on WildEarth Guardians (WEG) v. Office of Surface Mining (OSM). The issues in the suit are based on a federal review process that occurred eight years ago and before Tri-State purchased the Colowyo Mine.
Tri-State board officers elected following 2015 Annual Meeting
  • Operational, financial and member relations performance reviewed with members
  • $1.6 billion refinancing among largest by a U.S. electric cooperative
  • Record 24 percent renewable energy generation delivered by cooperative members
U.S. Energy Department Honors Tri-State G&T and San Isabel Electric Association with 2014 Wind Cooperative of the Year Awards
The United States Department of Energy (DOE) today recognized Tri-State Generation and Transmission Association, Inc., as the 2014 Wind Cooperative of the Year in the generation and transmission (G&T) cooperative category. Tri-State member San Isabel Electric Association, Inc. (SIEA), based in Pueblo West, Colo., was honored for wind energy development by a distribution cooperative.
Tri-State has contracted for the output from its first hydroelectric resource from Wyoming
Tri-State has contracted for the output from its first hydroelectric resource from Wyoming - adding to its growing renewable portfolio that now comprises approximately 20 percent of the energy that the association provides to its 44 member systems.


Craig Station employees celebrate 1 million work-hours without a lost-workday injury
Craig Station employees reach an unprecedented safety milestone of having worked for more than 1 million hours without a lost workday injury.
Tri-State's board of directors has unanimously chosen Micheal McInnes
Tri-State's board of directors has unanimously chosen Micheal McInnes as the association’s executive vice president and general manager. McInnes had served in that role on an interim basis since March 2014.
Tri-State board officers elected following 2014 annual meeting
Approximately 400 electric cooperative representatives and industry officials attended Tri-State's 62nd annual meeting April 2-3, in Broomfield, Colo., where they reviewed the wholesale power supplier's performance and accomplishments, and addressed the numerous challenges and opportunities facing the electric utility industry.
Mike McInnes Michael McInnes appointed Tri-State interim executive vice-president and general manager
Michael McInnes has been appointed as interim executive vice-president and general manager of Tri-State. McInnes replaces Kenneth Anderson, who has announced his retirement.
Output at Colorado Highlands Wind facility increased by 36 percent
The expansion of Colorado’s newest renewable energy facility is complete, with the Colorado Highlands Wind project now capable of generating 91 megawatts of electricity for Tri-State.
Gov. Hickenlooper signs controversial renewable energy bill into law
On June 5 Gov. John Hickenlooper signed into law Senate Bill 252, a hotly-contested piece of legislation passed by both chambers of the Colorado Legislature that doubles the renewable energy requirements for Tri-State.


Tri-State to consider alternative transmission project in Southern Colorado
Tri-State will consider an alternative route for a transmission project to increase electric system reliability in Colorado’s San Luis Valley. The alternative project will meet Tri-State’s goal of bolstering reliability of the electric grid, with the added benefit of supporting potential renewable energy development.
Tri-State announces expansion of Colorado Highlands Wind
Colorado’s newest renewable energy facility is already growing. The current 67-megawatt Colorado Highlands Wind project – from which Tri-State receives 100 percent of the power – is expanding to 91 megawatts, with construction is expected to commence in July and be completed this fall.
Unprecedented judicial ruling threatens Colorado’s electric cooperatives
Tri-State is deeply disappointed with a recent unprecedented ruling that could eliminate the consumer benefits of the association’s modern rate design, burden electric cooperatives with unnecessary regulatory processes and put rural electricity consumers at risk for higher power bills.
Tri-State officers elected following 2013 annual meeting
Approximately 400 electric cooperative representatives and industry officials attended Tri-State's 61st annual meeting April 3-4, after which the association's board of directors was seated for the upcoming year, including the six officers and three at-large positions that make up the board's Executive Committee.
Tri-State and its member co-ops oppose misguided legislation
On April 3, a bill was introduced in the Colorado Legislature aimed at Tri-State and its member co-ops which would require Tri-State to generate 20 percent of the power it sells to its Colorado members from renewable resources by 2020 – a measure that could end up costing electric co-op consumers up to $2 billion.
Tri-State adds 67 megawatts of wind power
Tri-State recently celebrated the completion of Colorado’s newest renewable energy facility at the dedication of the Colorado Highlands Wind project in northeast Colorado, from which the G&T will receive all the power generated at the 67-megawatt facility.
Tri-State issues RFP for renewable resources
Tri-State recently issued a request for proposals for renewable energy supply, which is aimed at taking advantage of current competitive market prices, while continuing to assist its member co-ops in Colorado and New Mexico in meeting their renewable portfolio standard requirements.


Touchstone Energy team “Pedals the Plains”

From Sept. 21-23, 2012, 1,000 bicycle enthusiasts saddled up for a three-day, 168-mile circuit across eastern Colorado’s electric co-op country for the first annual “Pedal the Plains” bicycle tour that was sponsored in part by Tri-State and its member Colorado Touchstone Energy Cooperatives.

Nucla station

Nucla featured in recent ACCCE video

The American Coalition for Clean Coal Electricity (of which Tri-State is a member) has released a new video documenting the potential effects that the increasing number of environmental regulations could have on communities whose economies depend on the energy industry, including Nucla, Colo., where Tri-State owns and operates a 100-megawatt coal-based power plant.


Tri-State marks 60 years of service

By most measures Tri-State is looking pretty good for a 60-year-old. The G&T’s official birthday was Saturday, May 19, 2012. Despite all the growth and new assets that the association has accumulated since then, it still comes down to the Tri-State people.


Tri-State adds 67 megawatts of wind power

Tri-State has signed a 20-year power purchase agreement to buy the electricity from the state's newest planned renewable energy resource, the 67-megawatt Colorado Highlands Wind project.


Tri-State officers elected following 2012 annual meeting

Approximately 400 electric cooperative representatives and industry officials attended Tri-State's 60th annual meeting April 4-5, after which the association's board of directors was seated for the upcoming year, including all six incumbent officers and three at-large positions that make up the board's Executive Committee.


Tri-State petitions Federal Court to review EPA rule

On April 13th Tri-State filed a legal challenge to the Environmental Protection Agency's costly Mercury and Air Toxic Standards (MATS) rule, which is not lawful under the Clean Air Act and will significantly increase electricity costs.


Western-Fuels-Colorado closes on purchase of Colowyo mine

Western Fuels-Colorado LLC, a fuel supplier that delivers coal under contract to Tri-State's Craig Station and Nucla Station power plants in Western Colorado, has completed its purchase of the Colowyo Mine from Rio Tinto.


Tri-State purchases 272-megawatt combined cycle power plant

Tri-State has agreed to purchase a 272-megawatt natural gas-fired combined cycle power plant in Fort Lupton, Colo. The association will acquire 100 percent of the equity interests in the Thermo Cogeneration Partnership (TCP) from affiliates of Starwood Energy Group.


Tri-State to test PHEV Ram 1500 pickups over three years

Chrysler Group LLC, working in partnership with the U.S. Department of Energy, recently delivered six demonstration fleet Ram 1500 plug-in hybrid electric vehicle pickup trucks to Tri-State – part of a national demonstration fleet of 140 vehicles that will be used during the next three years.


Tri-State to assess options for SoCo transmission infrastructure

Tri-State will move forward to identify options to ensure electric system reliability following Xcel Energy's reconsideration of its participation in a joint transmission project with the association in southern Colorado.


Tri-State signs fiber use agreement with EAGLE-Net

Tri-State and EAGLE-Net Alliance signed an agreement which will enable EAGLE-Net to use Tri-State's fiber optic cable to expand their broadband network into the Western Slope.


Tri-State contributes to nation's expanded solar integration

America's electric utilities are ramping up their use of solar power – and not just in the sunny Southwest – although Tri-State's recent integration of 30 megawatts from the Cimarron Solar Facility is located in the Land of Enchantment.


Cimarron Solar Facility fully energized

The clean and plentiful sunshine of New Mexico is now producing electricity for some 9,000 homes as the 30-megawatt Cimarron Solar Facility has begun commercial operation.



Kit Carson Windpower

Kit Carson Windpower Project operational

Tri-State announced on Nov. 29, 2010 the completion of the Kit Carson Windpower Project, a 51-megawatt wind farm located in east-central Colorado.  The wholesale power supplier is purchasing the output of the facility through a 20-year agreement with a subsidiary of Duke Energy Corp.

Ken Anderson

Membership gathers for 59th Annual Meeting

More than 400 electric cooperative representatives and industry officials attended Tri-State’s 59th annual meeting April 6-7 at the G&T’s Westminster, Colo., headquarters, where they reviewed recent activities and addressed numerous issues and challenges facing the electric utility industry, which was followed by the board officer elections for the coming year.

Holcomb station

Air permit issued for Holcomb expansion

The Kansas Department of Health and Environment issued an air permit on Dec. 16 for a new generating unit at Sunflower Electric’s Holcomb Station in western Kansas, in which Tri-State is a potential partner.

Tri-State headquarters

Tri-State files electric resource plan with Colorado PUC

Tri-State filed its 20-year Electric Resource Plan with the Colorado Public Utilities Commission on Nov. 30, which provides an assessment of the G&T’s existing resource mix, electric sales forecast and various alternatives for meeting future system needs.

San Luis Valley

Southern Colorado transmission project receives initial PUC approval

A Colorado Public Utilities Commission administrative law judge on Nov. 19 recommended the granting of a Certificate of Public Convenience and Necessity for the San Luis Valley-Calumet-Comanche Transmission Project, a proposed joint partnership between Tri-State and Xcel Energy.

Moody's logo

Tri-State receives upgraded credit rating

Tri-State’s credit rating has been upgraded by Moody’s Investors Service, benefiting from what the rating agency reports is a “stable outlook, sound financial profile and ample liquidity resources," from Baa1 to A3.

Nucla-Sunshine construction

Tri-State board approves 2011 budgets with no change in rates for coming year

Tri-State’s board of directors has approved the power supplier’s 2011 operating and capital construction budgets, which include significant investment in its transmission system to serve member loads and support system reliability, while holding rates steady for three years running.

Cimarron Solar

Cimarron Solar energizes first 10 megawatts

The first of two major renewable energy projects that will produce solar and wind energy for purchase by Tri-State to deliver to its 44 member cooperatives reached a significant milestone on Oct. 13, when Cimarron Solar Project’s first module of 10 megawatts officially began commercial operation.

VPP award for flight operations

Flight operations team earns top safety award

Tri-State’s flight operations facility has achieved top status in OSHA’s Voluntary Protection Program, becoming the second Tri-State worksite to accomplish the feat.


Construction starts on Nucla-Sunshine transmission project

Construction began June 1 on Tri-State’s latest transmission project, the 115-kilovolt Nucla-Sunshine line in southwestern Colorado.  The new 51-mile line is scheduled to be completed and energized in 2012.

Cimarron solar construction

Construction underway on Cimarron Solar facility

Officials from Tri-State, Southern Company, Turner Renewable Energy and First Solar gathered on June 9 for a groundbreaking ceremony to officially mark construction of the Cimarron Solar facility in northern New Mexico's Colfax County.

transmission lines

Revised Generator Interconnection Procedures effective July 1

Tri-State's new Generator Interconnection Procedures represent the culmination of a year-long process for the association's interconnection queue reform.  A meeting will be held June 28 at Tri-State headquarters to discuss the new procedures and review the association's latest Load and Resource Transmission Study.

Rick Gordon

Tri-State officers elected following association's 2010 annual meeting

Tri-State’s board of directors elected its officers for the coming year following the G&T’s 58th annual meeting held April 7-8 in Westminster, Colo.  Rick Gordon, who has served as Tri-State’s vice chairman for the past 13 years, was elected board chairman.  He replaces Hub Thompson, who, after serving in that capacity for the past 26 years, announced his retirement as an electric co-op director.

EPRI award

Tri-State recognized for GHG Management Roadmap

Tri-State's Mac McLennan, Lee Boughey and Barbara Walz were honored recently as recipients of EPRI's Technology Transfer Award for the association's leadership in education and information exchange of technology and research results related to the development of its Greenhouse Gas Management Roadmap.

Water heater heat pump

EEC program pays consumers $2.5 million

Tri-State’s longstanding and highly successful Energy Efficiency Credits program paid out more than $2.5 million to member co-op consumers who purchased energy-saving products and took energy-saving measures in their homes and businesses in 2009.

Stock show

Co-ops spread energy efficiency message at National Western Stock Show

For the 12th year in a row, Tri-State and the region's Touchstone Energy Cooperatives rode high in the saddle at the 2010 National Western Stock Show and Rodeo, held Jan. 9 -24 in Denver, leveraging the event as an effective means of promoting the values and ideals of the region’s electric co-ops.




ELP silver award

Tri-State recognized for environmental leadership

The Colorado Department of Public Health and Environment has awarded Tri-State as a Silver Achiever under the Colorado Environmental Leadership Program for sustaining significant achievements in operating its 100-megawatt

Nucla Station in compliance with all state environmental regulations, as well for implementing a comprehensive set of corporate initiatives.

Escalante Station

Tri-State earns prestigious health and safety recognition at Escalante Generating Station

As the owner/operator of the Escalante Generating Station, a 245-megawatt power plant in Prewitt, N.M., Tri-State has become only the eighth company in the state to earn the prestigious Zia Star Voluntary Protection Program (VPP) status from the New Mexico Environment Department’s (NMED) Occupational Health and Safety Bureau.

Chugwater rebate check presentation

Chugwater schools get smart about energy efficiency

Platte County School District #1 Superintendent Stuart Nelson accepted a $7,560 check Monday night at its monthly board meeting from Wheatland Rural Electric Association and Tri-State, in recognition of Chugwater Elementary School’s recent conversion from a coal-fired heating system to energy-efficient electric thermal storage (ETS) units.

Cow at Craig Station Tri-State to participate in $4.8 million carbon sequestration project
Tri-State is participating in a consortium of researchers, industry and government agencies that has been awarded a DOE grant to study the ability of geologic formations in western Colorado for their ability to sequester carbon dioxide underground.
wind turbine

Colorado co-op-served schools receive wind turbines

A series of small wind turbines slated for installation this fall at several Tri-State member cooperative-served rural schools are expected to generate plenty of student interest in renewable energy technologies. 

Brush co-generation

Brush Unit 2 added to resource mix

On Oct. 1, Tri-State added a new generating resource to its mix of baseload, contracted federal hydropower, intermediate, peaking and renewable generation sources - Brush Unit 2, a 70-megawatt natural gas, combined-cycle unit located in eastern Colorado.

Top Company logo

Tri-State named "Top Company" by ColoradoBiz magazine

Tri-State has been named the winner in the energy and natural resources category of ColoradoBiz Magazine’s 2009 Top Company awards program. The program, now in its 22nd consecutive year, recognizes Colorado’s top performing companies on the basis of sustained financial performance, operational excellence and community involvement.


Board of directors approves 2010 budgets

Tri-State’s board of directors has approved the power supplier’s 2010 operating and capital construction budgets, which include significant investments in electric transmission infrastructure throughout its 250,000 square-mile service territory and continuing investments in new technology development.

Together we save

Tri-State participates in launch of “Together We Save” campaign

Joining nearly 700 other Touchstone Energy® Cooperatives from across the country, Tri-State and its member system co-ops are combining forces to launch a revolutionary national energy efficiency campaign designed to inspire consumers to save energy and money.


Tri-State conducts system-wide energy efficiency study

As part of its continued commitment to the wise use of energy, Tri-State has hired a firm to assess the market potential for electric energy savings in the association’s 250,000-square-mile service territory. Nextant, a Boulder-Colo.-based global energy software and consulting firm, is conducting the study.

Pleasant Prairie

Tri-State-backed carbon capture project proves successful

A unique Tri-State-supported Wisconsin R&D pilot project aimed at demonstrating the viability of capturing 90 percent of the carbon dioxide (CO2) emitted from a coal-based power plant utilizing a chilled ammonia process has proved successful after more than one year of testing.

wind turbine

Tri-State and Duke Energy team up on new 51-megawatt wind power project

In keeping with its efforts to diversify its resource portfolio to meets its member co-ops’ power requirements, Tri-State has signed a 20-year agreement with a subsidiary of Duke Energy Corp. to purchase the output of a new 51-megawatt wind farm to be built in east-central Colorado.


Tri-State to participate in SunZia Transmission Project

Tri-State has joined as a participant in the SunZia Southwest Transmission Project.  The proposed project would be comprised of up to two 460-mile, 500-kilovolt lines extending from east-central New Mexico to east-central Arizona and designed to move 3,000-plus megawatts of electricity across the Southwest.

Public scoping meetings held regarding proposed transmission project
Tri-State and Xcel Energy are proposing to jointly construct a transmission project in southern Colorado between the San Luis Valley and Pueblo. A new power line is needed to increase electric reliability and support renewable energy development. Members of the public recently attended scoping meetings to learn about the federal environmental review process and provide input.

Tri-State develops GHG management roadmap
As part of its ongoing, comprehensive operational risk identification and analysis strategy, Tri-State has developed a Greenhouse Gas Management Roadmap. The document was reviewed with the association’s board of directors at its June meeting and was submitted to the Colorado Governor’s Energy Office on June 5.

Highline renewable energy project

Highline Electric launches renewable energy project
Representatives from Highline Electric Association, Tri-State, Ormat Technologies and Kinder Morgan Pipeline were in Peetz, Colo., June 24 to dedicate Highline’s first renewable energy project that captures heat generated from gas turbines to produce electricity.

Mesa Verde green power

Co-op provides green power for Mesa Verde National Park's new visitor center

For the park’s additional energy requirements, the local electric cooperatives Empire Electric Association is selling nearly 1,000 blocks of green power for the new cultural center and two existing facilities.

Southern Colorado transmission map
Tri-State and Xcel Energy move forward with southern Colorado transmission project proposal
Tri-State and Xcel Energy have filed applications with the Colorado Public Utilities Commission to develop a new transmission project that will serve long-term electric grid requirements in southern Colorado.
Deming geothermal tour

Deming public schools get smart about energy efficiency
Several community leaders including N.M. Sen. John Arthur Smith and Rep. Dona Irwin toured Ruben S. Torres Elementary School today, getting a firsthand look at the school’s geothermal heating and cooling system.

Doherty Ranch
Leopold Conservation Award to be presented to Colorado co-op member Mesa de Maya Ranch
The Leopold Conservation Award is given annually to individuals and families who demonstrate outstanding commitment, conservation and stewardship of their land.  The Doherty’s Mesa de Maya Ranch is so vast that they are electrically served by two separate Tri-State member co-ops.
Tri-State annual meeting

Tri-State to reevaluate long-term resource planning
Tri-State’s board has announced that the G&T is reevaluating its long-term resource plans to clearly identify the appropriate resources required to continue to affordably and reliably meet the future energy needs of its 44 member distribution cooperatives.

First Solar solar panel visualization

Tri-State and First Solar sign major development agreement
Tri-State and Tempe, Ariz.-based First Solar announced they have entered into an agreement to develop a 30-megawatt (AC), 500,000-panel solar photovoltaic power plant in northeastern New Mexico. The "Cimarron I Solar Project" is the largest photovoltaic project by an electric cooperative and among the largest facility of its kind in the world

New Mexico residential

Empire Electric and Tri-State help take energy hogs to slaughter

For the third time, Empire Electric Association has helped its member-owners safely replace and recycle old, energy-guzzling household refrigerators and freezers with new energy efficient models.

New Mexico residential

Tri-State paid 2008 property taxes of $23.3 million in multiple states

Property taxes for 2008 amounting to $23.3 million were paid by Tri-State in Colorado, New Mexico, Wyoming, Nebraska and Arizona, where the Denver-based wholesale power supplier owns and operates various electric generation and transmission facilities.

Parking lot LED lights

Tri-State partnering with ENERGY STAR; adding appliances and new electric technologies to its energy efficiency program

Tri-State’s board of directors recently approved significant additions to the power supplier’s long-standing Energy Efficiency Credits program to further promote energy innovation and the wise use of electricity.

Parking lot LED lights

Tri-State takes the LE(a)D in energy efficient lighting

Tri-State recently put its long-standing commitment to energy efficiency in action when it installed cutting-edge LED lighting technology in the parking lot of its headquarters facility in the north Denver suburb of Westminster.

Hub Thompson

Tri-State officers and directors elected following 2009 annual meeting

The board of directors of Tri-State Generation and Transmission Association was seated for the upcoming year following the company's 2009 Annual Meeting and membership session held April 8-9 at its headquarters complex in Westminster, Colo.

Escalante Station

Tri-State to host solar augmentation study at N.M. coal-based power plant
With a goal of increasing power plant efficiency while incorporating renewable technologies, Tri-State has entered into an agreement with the Electric Power Research Institute to host a case study that is aimed at helping electric utilities add solar energy to fossil-fueled generating stations.

Palmer Ridge High School award
Co-ops provide school district incentives for energy efficiency
Tri-State and its local member distribution cooperative, Mountain View Electric Association, provided more than $190,000 in rebates and incentives to reward the school district’s commitment to energy efficiency.

Tri-State, Environment Colorado collaborate on energy efficiency study

Tri-State and Environment Colorado have signed an agreement to work cooperatively on a system-wide energy efficiency study – a collaboration that marks a new step in the relationship between the organizations.

Waste Heat Recovery project

Tri-State rolls out member local renewable program

In an effort to encourage the development of local and community-based renewable energy projects across its service territory, Tri-State adjusted its Member Local Renewable Project Program at the December 2008 board meeting.

Compressed Air Storage generation
Tri-State’s research projects range from compressed air storage to improved transmission reliability
Tri-State is ramping up research and development studies that could bring even greater value to the power it provides to its membership.


Show All


Transmission lines

Tri-State and Xcel Energy to collaborate on southern Colorado transmission development

Tri-State and Xcel Energy will jointly pursue transmission projects in southern Colorado under a Memorandum of Understanding recently signed between the two utilities. The projects identified in the agreement would strengthen southern Colorado’s power delivery infrastructure, serve growing electricity needs and provide for the interconnection of new energy resources.

NREL solar project

Tri-State and partner utilities seek proposals for solar power

New Mexico’s four largest electricity providers have jointly issued a request for proposals (RFP) from solar developers for the construction of a solar parabolic trough generation facility to provide solar electricity to each of the utilities by 2012. The RFP follows a feasibility study commissioned by the utilities last year.

Nucla award

Tri-State's Nucla Station recognized for environmental leadership

The Colorado Department of Public Health and Environment (CDPHE) has awarded Tri-State as a Bronze Achiever under the Colorado Environmental Leadership program (ELP) for making significant achievements in operating its 100-megawatt Nucla Station in compliance with all air, land and water regulations.

Transmission lines
Tri-State transmission planning focused on member value
Tri-State currently owns more than 5,000 miles of transmission line and, with a number of projects underway and being planned for the future, transmission planning efforts continue to take center stage in meeting the needs of its members.

Tri-State provides update to Colorado PUC

Members of Tri-State’s senior staff updated the Colorado Public Utilities Commission regarding cooperative issues and the association’s ongoing resource planning initiatives. Tri-State’s last update before the commission was in 2006.

Renewable energy projects

Tri-State incentivizes local renewable energy development, enhances efficiency and load management programs

Tri-State’s board of directors has authorized an aggressive, first-of-its-kind in the nation program to make available renewable performance payments to its members to support a variety of community-based renewable energy projects.


Tri-State joins as a founding reporter of The Climate Registry

As part of an Earth Day celebration on April 22, Colorado Governor Bill Ritter recognized Tri-State and 12 other Colorado organizations as being among the first to join The Climate Registry - a nonprofit partnership focused on providing accurate measurements of greenhouse gas emissions and ensuring consistency of data across industry sectors and borders.

Channel 7 filming

Tri-State’s lightning protection program featured on Denver news station

A news reporter from one of Denver’s local television stations, KMGH Channel 7, was on site at Tri-State’s headquarters to learn how the association protects its telecommunications and SCADA equipment from lightning strikes.

Renewables montage

Tri-State joins as founding member of National Renewables Cooperative Organization

Tri-State became among the first to join a national organization focused on the development and deployment of renewable energy by electric co-ops, when its board recently approved membership in the National Renewables Cooperative Organization.

Tri-State annual meeting

Tri-State membership gathers for 56th annual meeting

Tri-State held its 56th annual meeting April 2-3 at the power supplier’s Westminster, Colo., headquarters, where attendees were formally introduced to the organization’s next executive vice president and general manager, Ken Anderson. They also discussed how to find solutions to numerous issues and challenges facing the electric utility industry that include increased regulatory and legislative requirements, environmental concerns, rising costs and market volatility.

Ken Anderson

New General Manager to take helm at Tri-State G&T

Tri-State Generation and Transmission Association’s board of directors has selected Ken Anderson to succeed retiring executive vice president and general manager J.M. Shafer, who is expected to step down officially on July 1, 2008.

Renewables Montage

Tri-State issues request for renewable energy, reduces voluntary program costs

In a continuing effort to enhance its balanced generation resource portfolio, Tri-State Generation and Transmission Association today announced it has issued a request for proposals for renewable energy supply.  In addition, at the beginning of the New Year, the cost associated with the G&T’s 10-year-old voluntary green power program was reduced.



CFL installation
Tri-State program helps put 125,000 CFLs in consumers' sockets
Tri-State recently hit a high mark in its CFL program, reaching 125,000 units distributed to end-use consumers. The number includes the 44,000 energy-efficient bulbs that Tri-State initially distributed to its 44 member co-ops and an additional 65,000-plus that have been purchased by the co-ops.
  KDHE Denies Permit for Holcomb Expansion
The secretary of the Kansas Department of Health and Environment announced that he has denied the air quality permit for two proposed 700-megawatt generating units at Sunflower Electric's power plant near Holcomb, Kan.
Solar panels

Tri-State partners with EPRI and other regional utilites to study a solar plant project

The Electric Power Research Institute (EPRI) announced the beginning of a new project to study the feasibility of concentrating solar power in New Mexico.




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