Western Energy Imbalance Market (WEIM)
CAISO
In an interview, CAISO CEO Elliot Mainzer touted the importance of interregional coordination — and a single Western market — to meet state policy and reliability goals.
CAISO
CAISO’s WEIM last year hit $5.05 billion in benefits for its members since its inception in 2014, continuing the positive trend of growth tied to an expanding Western footprint.
CAISO
The backers of two separate initiatives to spur development of new transmission in the West are taking different approaches on when to deal with the issue of who should pay for projects.
© RTO Insider LLC
Future historians of the U.S. electricity sector one day might conclude the development of an RTO in the West hinged on two separate but interrelated events occurring on one day in July 2023.
Westside Governance Pathways Initiative
The group working to establish a single Western RTO heard summaries of five potential options for a new governing body that could be independent of CAISO.
CAISO
CAISO's Department of Market Monitoring explained that self-scheduled exports to support stressful conditions led to the declaration of emergency alerts in July.
EIA
CAISO’s curtailment of solar and wind power is on the rise, and about three-quarters of curtailments so far this year have been from transmission congestion.
CAISO
CAISO is looking at scrapping a catalog of about 60 proposed policies, which include many stakeholder suggestions, saying the document has become “unwieldy” and it might be better to start over from scratch.
© RTO Insider LLC
Electricity sector stakeholders expressed divisions over BPA's plan to pursue an aggressive timeline for deciding whether to join CAISO’s EDAM or SPP’s Markets+.
CAISO
Idaho Power asked FERC to overturn a $700,000 fine for what it called a minor metering mistake that had no real impact on the Western Energy Imbalance Market.
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