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November 18, 2024

Western Energy Imbalance Market (WEIM)

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EBA Addresses ‘Zeitgeist’ of Western Regionalization
The Energy Bar Association Western Chapter heard panelists and CAISO's CEO discuss rapidly evolving efforts to organize markets and an RA program in the West.
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CAISO Approves Day-ahead Market for Western EIM
CAISO's Board of Governors and the Western Energy Imbalance Market Governing Body approved an extended day-ahead market for the WEIM, calling it a milestone.
Southern California Edison
CAISO, WEIM Boards Back Reliability Enhancements
The CAISO Board of Governors and Western Energy Imbalance Market Governing Body adopted resource sufficiency and storage changes to promote summer reliability.
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Governance, Resource Adequacy Key to SPP’s Markets+
The proposed governance structure for SPP's Markets+ service offering and resource adequacy are two key differences with CAISO's RTO proposal.
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CAISO Symposium Talks Western Transmission
CAISO held its Stakeholder Symposium for the first time since 2018 and weighed the transmission needs of the West to deliver renewable resources.
CAISO
CAISO Finalizing Plan for WEIM EDAM
CAISO's draft final proposal for a day-ahead expansion of its Western Energy Imbalance Market is up for review this month, with a final plan due in December.
CAISO
WEIM Q3 Benefits Top $500M, Near $3B Total
CAISO's Western Energy Imbalance Market reached a record $526 million in benefits in Q3 and neared $3 billion in cumulative benefits since it started in 2014.
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New WPP Board Features Figures from PJM, WEIM, Industry
The WPP's future independent board will include the previous PJM CEO, a former member of WEIM's Governing Body and WPP’s present board chair, among others.
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Ariz. Regulators Probe CAISO on EDAM, Heat Wave Operations
Arizona utility commissioners said they wanted to see more independent governance for CAISO before further committing to the WEIM.
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CAISO Stakeholders Weigh EDAM Proposal
CAISO stakeholders commented on elements of the revised straw proposal to add an extended day-ahead market to the Western Energy Imbalance Market.

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