The lithium ion battery will provide power on days when wind and solar don't produce enough.
Energy and Environment
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Preliminary results from the Colorado School of Mines and the Colorado School of Public Health research were shared with residents Thursday night.
The president of Xcel's Colorado operations answered questions about the road to come.
A deal was supposed to be signed by the end of 2018, under threat that the water levels on the river would push the federal government to impose its own restrictions.
U.S. District Judge Brian Morris is presiding over a Thursday hearing on whether the moratorium should be reinstated.
As extreme drought encroached on Colorado and much of the Southwest this year, many eyes turned to the weekly U.S. Drought Monitor map.
Colorado River water supports about 40 million people and millions of acres of farmland in the U.S. and Mexico.
The rural electricity provider in Colorado coal country is parting ways because Tri State is too closely tied to fossil fuels.
The Interior Department plans to ease restrictions on oil and natural gas drilling and other activities across millions of acres in the American West.
Colorado Oil and Gas Conservation Commission is considering a 1,000-foot drilling setback from school property, including outdoor spaces like sports fields.
World carbon dioxide emissions are estimated to have risen 2.7 percent from 2017 to 2018.
A new study from the Environmental Protection Agency found fish and other aquatic life in the are are not suffering severe or long-lasting damage.
Colorado Parks and Wildlife are stocking Gunnison River rainbow trout in the Arkansas River near Salida in hopes of recreating natural reproduction there.
The goats are reproducing rapidly. Now might be the best time to reduce or eliminate the animals before they’re too numerous to bring under control.
The utility’s new goal is good news for Gov.-elect Jared Polis, who pledged a 100 percent renewable energy goal as part of his campaign.