Mark Jaffe

Operators and environmentalists have over 20 years maneuvered into a delicate balance. Now they're aligned in opposition to a third-party ballot measure guaranteeing Coloradans' right to natural gas.

The $225 million increase would raise average residential bills by $6.13, but the rate needs PUC approval and consumer advocates oppose it

The proposed sale of leases covering 127,000 acres, including 5,000 acres on the plateau, is the result of federal legislation requiring quarterly lease sales in nine Western states, including Colorado

After nine years of protests and lawsuits, an agreement preserving the Roan Plateau in western Colorado from oil and gas development was reached in 2016.

Southeastern Colorado has been producing helium for two decades, but when the Strait of Hormuz was closed, it suddenly became a lot more valuable

Six oil and gas operators were facing $11 million in fines for falsified reports involving soil, groundwater and organic contaminant sampling tests

As many as a third of Xcel's 1.4M customers could qualify for help under plan the utility has proposed to state regulators

Xcel Energy wants to raise a record $225 million in new revenues, in part by adding $6.15 a month to the average household electricity bill, an increase consumer advocates say more customers would struggle to pay.

The $1,500 rebate is available to homeowners and businesses in the 9-county Denver metro region who install a new heat pump in an existing building

Turning power plants on and off to generate electricity at a fraction of their capacity is costly, and inefficient, owners and analysts say