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Opinion: Xcel’s plan for transportation electrification is a win for consumers and for clean air

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.

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.

Most used wind turbine blades end up in landfills. Colorado is part of the push to make the industry greener.

Wind energy industry leaders don't like the optics — even if the old blades don't pose environmental harm — and Colorado could see a new generation of recyclable, repairable blades

Xcel wins $41.5 million rate increase, but Colorado regulators balk at charging for repairs to troubled coal plant

Xcel Energy wanted a $158.3 million increase, but the PUC pushed back to keep rate hike passed on to residential customers to about $1.03 per month.

Xcel wants to hike your electricity bill to cover the cost of new customers, prevent wildfires and boost returns

A proposal before Colorado’s Public Utilities Commission would increase the average bill of a residential customer in the state by 6.5%

Colorado Springs has big plans for its downtown. But first the city must deal with the Martin Drake Power Plant.

The success of the city’s redevelopment plans -- including a U.S. Olympic museum and a downtown sports stadium -- depend on powering down the massive coal-fired electric plant, Colorado Springs' leaders say

Small hydropower providers are hoping it’s their time to shine as Colorado moves toward a renewables future

“My dream is to get to the world where hydropower is like rooftop solar," said Kurt Johnson, a hydropower advocate who co-authored the Colorado Energy Office’s “2015 Small Hydropower Handbook.”

Electric airplanes developed by a Colorado startup take aim at global pilot shortage

Gas isn’t cheap, neither is learning how to fly. Going electric could cut aviation fuel costs by 90 percent, save students money and, as an added bonus, cut emissions

Denver and Boulder have big goals to fight climate change. But there is an obstacle: cannabis

Costs, regulations pushing legitimate marijuana grow operations to be more efficient, but illicit grows still consume 75 percent of the energy used to cultivate pot