SPP’s MOPC approved two revision requests related to resource adequacy requirements that members had set aside during its meeting earlier this month.

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

FERC revoked Tri-State's market-based rate authority in the Western Area Power Administration's Colorado-Missouri balancing authority area.

The Western Area Power Administration approved interconnection of the proposed 504-MW Rail Tie Wind Project in Wyoming, allowing the start of its construction.

FERC approved two settlements between WECC and APS and WECC and WAPA, as well as one between SERC and TVA, for violating NERC standards.

WAPA's Desert Southwest Region said it plans to join CAISO's Western Energy Imbalance Market, further splitting the PMA's regions between the ISO and SPP.

SPP’s Western real-time energy market has attracted another participant in Colorado Springs Utilities, which is also interested in full RTO membership.

The U.S. DOT issued guidance on working with its state counterparts to facilitate the use of existing highway rights of way for building transmission lines.

SPP said that a planned expansion into the West has attracted another potential member in WAPA's Colorado River Storage Project.

CAISO’s Western EIM notched another milestone as it welcomed the country’s largest municipal utility and extended its border to include much of New Mexico.