Challenges are piling up to Trump administration orders to keep retiring coal plants online, as the Colorado attorney general and environmental groups have filed petitions to overturn an extension of Craig Station Unit 1.

Future participants in SPP’s RTO expansion into the Western Interconnection have affirmed their support to meet the April 1 go-live deadline with a unanimous vote of support.

A bill in the Colorado legislature seeks to reduce the environmental impact of federal orders delaying the retirement of coal-fired power plants.

A federal order to keep Unit 1 of the coal-fired Craig Generating Station operational past its planned retirement date seems disconnected from grid realities, a Colorado state energy official said.

Local elected officials in Colorado are speaking out against the Trump administration’s order to keep the coal-fired Craig Generating Station Unit 1 available to operate past its planned retirement date.

Black Hills Colorado Electric has filed an application with Colorado regulators to join SPP's Markets+, saying it has no choice because it is embedded in a balancing authority that will be a Markets+ participant.

Participants in the upcoming GridEx VIII say the biennial exercise was not affected by the recently-ended government shutdown.

FERC rejected Tri-State Generation and Transmission’s proposed tariff to designed to manage the projected massive growth in data center load confronting its Mountain West member utilities over the next decade.