FERC on Tuesday approved Public Service Company of Colorado’s request to use the social cost of carbon to help dispatch its generation for the next few months.

SPP has welcomed back ex-staffer Carrie Simpson to lead the continued development of its service offerings in the Western Interconnection.

Western utilities interested in SPP’s RTO West offering released a study showing the grid operator’s expansion could produce huge annual savings.

SPP and Western entities interested in the RTO’s Markets+ “RTO light” offering continued to inch toward each other during another development session.

SPP’s Western Energy Imbalance Service market saw “very limited growth” in its first 13 months, SPP’s MMU said in its first annual report on the market.

SPP says its Markets+ day-ahead offering in the Western Interconnection is on track to be completed by the end of the year.

CAISO, SPP and the Western Power Pool are all maneuvering to organize the Western electricity sector, and conditions finally seem ripe for change.

Public Service Company of Colorado, Platte River Power Authority and Black Hills Colorado Electric said they plan to join SPP’s WEIS market in April 2023.

SPP’s MMU is “strongly” recommending that TCRs' funding shortfall be considered a high-priority item, according to its latest quarterly market reports.

SPP’s Board of Directors approved the RTO’s third competitive transmission project, awarding a 345-kV line’s construction to NextEra Energy Transmission.