CAISO/WEIM
CAISO Board of GovernorsCalifornia Agencies & LegislatureCalifornia Air Resources Board (CARB)California Energy Commission (CEC)California LegislatureCalifornia Public Utilities Commission (CPUC)EDAMOther CAISO CommitteesWestern Energy Imbalance Market (WEIM)WEIM Governing Body
The California Independent System Operator serves about 80% of California's electricity demand, including the service areas of the state's three investor-owned utilities. It also operates the Western Energy Imbalance Market, an interstate real-time market covering territory that accounts for 80% of the load in the Western Interconnection.
One thing has become abundantly clear after three intensive workshops this summer: there’s no blueprint for developing the stakeholder process for the “regional organization” envisioned by the West-Wide Governance Pathways Initiative.
CAISO’s own systems may have contributed to a set of “operational surprises” that forced it to declare a series of energy emergency alerts in July 2023, a member of the ISO’s Market Surveillance Committee said.
CAISO’s Western Energy Imbalance Market provided its 22 participants with $365.04 million in economic benefits from April to June down 4% from the same period a year ago.
FERC approved two incentives Pacific Gas and Electric requested to support work it will undertake with LS Power for four transmission projects included in CAISO’s 2021/22 transmission plan.
FERC approved all the jurisdictional ISO/RTO compliance filings with Order 895, which established rules for sharing credit information among the organized markets.
The new "RO" envisioned by the West-Wide Governance Pathways Initiative might be based near CAISO’s headquarters in Folsom, Calif., according to a straw proposal.
CAISO will recommend its board approve a proposal to eventually give the WEM Governing Body increased authority over both the Western EIM and EDAM.
Batteries may be receiving excessive or inefficient bid cost recovery payments in CAISO, an issue that could be exacerbated by the ISO’s recent move to increase its soft offer cap to allow for higher bids by storage resources.
The Bonneville Power Administration is ramping up its engagement with the West-Wide Governance Pathways Initiative, an executive with the federal power agency said.
The WEIM Governing Body voted to change its name to the “Western Energy Markets” Governing Body to better reflect its full scope of responsibility since it began overseeing CAISO’s EDAM.
Want more? Advanced Search