Four Colorado utilities decided to join CAISO’s Energy Imbalance Market instead of SPP’s Western Energy Imbalance Service because of the economic benefits.

In an interview with RTO Insider at CAISO’s headquarters, outgoing CEO Steve Berberich talked about Western regionalization and his impending retirement.

Preliminary findings from a WECC study indicate inclusion of day-ahead trading in the EIM will yield reliability benefits that outweigh any expected risks.

The Governance Review Committee of CAISO’s Western Energy Imbalance Market continued laying out the parameters of its big job this year.

CAISO’s Western EIM delivered more than $60 million in benefits to its participants in the fourth quarter of 2019, bringing the total to $862 million.

The EIM Governing Body approved the selection of Robert Kondziolka, formerly with Salt River Project, to fill the seat left vacant by Travis Kavulla.

PG&E's bankruptcy looks likely to continue through the first half of 2020, while CAISO seeks to expand its EIM and meet reliability requirements.

Xcel Energy, Black Hills Colorado Electric, Colorado Springs Utilities and Platte River Power Authority announced they will join CAISO's EIM.

EIM stakeholders reacted coolly to a proposal by Utah’s Deseret Power Electric Cooperative to tighten the market’s rules on transmission feasibility.

CAISO’s EIM Governing Body and Regional Issues Forum heard from Modesto Irrigation District, Tacoma Power and Turlock Irrigation District.