PNM exhausted every alternative before postponing the retirement of the coal-fired San Juan plant until the end of this summer, a utility executive said.

SPP’s plan to develop a market to compete with CAISO's Western EIM got a boost from utilities and energy customers in the Pacific Northwest.

The Western EIM took on BPA and Tucson Electric Power as new participants, marking the market’s largest single expansion since its founding.

CAISO issued a straw proposal for its extended day-ahead offering in the Western Energy Imbalance Market, a renewed effort at greater Western regionalization.

A group of Western utilities plans to help SPP develop its Markets+ program in the West and to examine the benefits of joining it or CAISO's day-ahead market.

Nevada is poised to be at the center of a robust and interconnected Western transmission system, but the state must move quickly, a new task force chair says.

CAISO's Western Energy Imbalance Market surpassed $2 billion in total member benefits only 20 months after hitting the $1 billion mark in 2020.

The Bonneville Power Administration is on target to enter the Western EIM in early May after executives made a final determination on its market readiness.

SPP said it plans to close its Western Energy Imbalance Service, with members joining either its proposed Markets+ program or its Western RTO.

Arizona regulators have rejected Salt River Project’s proposed expansion of the Coolidge Generating Station, a gas-fired power plant in Pinal County.