This newer proposal would use the subterranean of the Twentymile coal mine for lower reservoir
pumped-storage hydro
The most tangible evidence yet in Moffat County
Pumped-storage hydro study one of the possibilities as Colorado community looks to short up economy after coal plants close later this decade.
A step forward for pumped-storage hydro
Company says it has deals with land owners along the Yampa River in northwestern Colorado
Pumped-storage hydro in Colorado
Renewables need storage, and pumped-storage hydro provides it. Will these projects help Colorado achieve its decarbonization goals?
Will this smooth the renewable highs and lows?
Xcel Energy announces testing of 100-hour batteries in Pueblo by as early as 2025. Will this technology displace natural gas peaker plants?
A conversation with Alice Jackson
Once an international ballerina, she is now helping guide Xcel Energy toward a goal of emissions-free electricity by 2050. Here’s some of what she’s thinking.
Xcel Energy’s new planning team leader
How will Xcel Energy squeeze emissions to match its promises? The company’s planning team leader Alice Jackson describes many questions that await answers.
Thinking big about wind and water in Wyoming
A pumped-storage hydro project in Wyoming reservoir hopes to get married at the substation with a giant wind project. Are there implications for Colorado?
A short rope for Xcel and pumped storage
Colorado regulators agree that Xcel Energy can ding customers for only $1 million in exploratory costs if it investigates a pumped-storage hydro idea.
No. 2: Getting to 100% by decade’s end
Some Colorado utilities want to get to 100% emissions-free electricity by 2030, others just 80% or above. What mix of new technologies will get them there?
