Skip to contents

Tri-State Generation and Transmission Association

Tri-State Generation and Transmission Association
Tri-State Generation and Transmission Association

Ambitious plan to reduce CO2 emissions still leaves Tri-State getting 23% of electricity from coal plants

The state’s second largest electric provider plans to spend $21 billion to add renewable sources and battery storage. Natural gas is in the mix.

Energy

Three coal-burning power plants in Colorado face orders to close early. Their owners aren’t happy about it.

Tri-State, Xcel and Platte River Power had the closures slated for 2030. But Colorado air quality regulators say it must be done earlier to meet greenhouse gas targets.

Energy

Tri-State increases the amount of greenhouse gases it will cut in Colorado by adding wind and solar generation

Colorado's second largest electricity provider is now on par with other utilities for carbon dioxide reduction, but it will need to stop buying coal-fired power from elsewhere to do it

Energy

Anticipating a bust, the Colorado coal town of Craig gets an unexpected boost

Northwest Colorado is grieving the looming loss of a major industry and the pandemic has hurt. But the broader economy is beginning to perk up. "We are not victims," Craig chamber boss says.

Energy

Wildfires make work to reduce Colorado’s greenhouse gas emissions even more crucial, Gov. Polis says

In an address to state air-quality regulators, Polis reaffirmed ambitious climate-related goals. But some say the roadmap to reach them lacks urgency.

Environment

Oil and gas companies must monitor fracking emissions as Colorado adopts first-in-the-nation rules to reduce air pollution

Some environmental groups say the new regulations, which also give local governments access to collected data, aren’t fully baked even after long negotiations

We now know how many billions of gallons of water Colorado will save by closing coal-fired power plants

By 2031 water use for coal-fired power plants in Colorado will drop to 3.7 billion gallons – a 68% reduction, according to the Energy and Policy Institute.

Environment

Only three coal-fired power plants in Colorado are set to operate past 2030 after Craig Station shutdown date is unveiled

Xcel is the only utility in Colorado with large, coal-fired power plants set to operate past 2030.

Energy

Colorado may have missed a deadline to plan for reducing greenhouse gasses. Now the state faces a lawsuit.

Some critics say what is lacking is a lead from Gov. Jared Polis

Environment

Colorado Springs will shut down its two coal-fired plants by 2030. Now it’s time for Xcel to do the same, environmentalists say.

Coal-burning turbines at Martin Drake will be temporarily replaced with natural gas units as Colorado Springs Utilities builds new electric transmission lines

Energy

Larimer County coal-fired power plant will close 16 years early as Colorado speeds move toward renewable energy

Shut down of Rawhide Unit 1 leaves only a few big coal burning plants in Colorado without retirement dates as utilities feel pressure from customers, government to meet climate goals

Energy

Tri-State’s clean energy battles with two Colorado electric co-ops now threaten the utility’s finances

A week-long hearing is set before the Colorado Public Utilities Commission in an attempt to determine reasonable exit fees for United Power and La Plata Electric Association

Energy

Western Slope utility serving Delta, Montrose settles on $136.5 million fee to break up with Tri-State

The fight between Delta-Montrose Electric Association and its power generating partner has dragged on since 2016 and led Tri-State to be more flexible in its remaining contracts.

Energy

The closure of Colorado coal-fired powerplants is freeing up water for thirsty cities

Large electricity generators use lots of water to cool their coal-fired plants. As those units shut down, expect to see battles heat up over how the massive amounts of water can be repurposed.

Energy

Colorado’s lights, broadband must stay on during coronavirus. Here’s how utilities are keeping their workers safe.

Pandemic plans are being dusted off. In Colorado Springs, where 7 people have died, utility workers have been issued personal protective equipment so they can make gas, carbon monoxide safety checks.

Coronavirus

Tri-State Generation to close all of its Colorado, New Mexico coal-fired power plants and coal mines — 3 locations — by 2030

Tri-State has been pressured by its rural electric co-op members -- including Brighton-based United Power and Durango-based La Plata Electric Association -- to use more renewable energy in recent years

Energy

Two more electric co-ops are trying to leave Tri-State Generation. They’ve asked the Colorado PUC for help

United Power and La Plata Electric say they’re being held hostage and need regulators to help negotiate breakup fees

Energy

Tri-State’s bid to move to federal regulation and sidestep increased Colorado scrutiny is rejected

Westminster-based electricity giant wanted out of the scrutiny of Colorado’s PUC and had said FERC would give a united approach to rate setting in four states

Energy

More Colorado coal-fired power plants could be closing, but the timing depends on some complex deals

The utility PacifiCorp hopes to retire its Colorado properties, though co-ownership with power-providers Xcel and Tri-State complicates the process

Energy

Fearing Tri-State could duck clean-energy goals, Colorado utilities commission files unprecedented protest

For the first time in at least 25 years, state regulators move to stop a migration, saying the interstate power provider has too much unfinished business here

Energy
2 of 3