February 24, 2025

CAISO Extended Day-Ahead Market (EDAM)

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No Clear Blueprint for Western ‘RO’ Stakeholder Process
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.
SPP
FERC Finds SPP Markets+ Tariff ‘Deficient’ in Several Areas
SPP’s Markets+ hit a snag after FERC issued a deficiency letter outlining 16 problems the RTO must address in the tariff it filed for the proposed Western day-ahead market in March.
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New Western ‘Regional Organization’ Could be Folsom-based
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.
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NW Senators Urge BPA to Delay Day-ahead Market Decision
The senators representing Oregon and Washington urged the agency to delay its decision to join a Western day-ahead electricity market until developments play out further around SPP’s Markets+ and CAISO’s EDAM.
CAISO
CAISO Advances Pathways Initiative ‘Step 1’ Proposal to Board Vote
CAISO will recommend its board approve a proposal to eventually give the WEM Governing Body increased authority over both the Western EIM and EDAM.
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BPA Stepping up Participation in Pathways Initiative
The Bonneville Power Administration is ramping up its engagement with the West-Wide Governance Pathways Initiative, an executive with the federal power agency said.
CAISO
WEIM Governing Body Officially Changes Name
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.
WECC
SPP’s Experience with Seams Could Help Markets+
SPP attempted to allay concerns about its ability to dispatch power among various Western regions during a webinar intended to illustrate its experience with seams management.
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Pathways Participants See ‘Pivotal’ Chance to Build New Kind of RTO
The West faces a “pivotal” opportunity to develop a fresh approach to managing its electricity markets, one that could update RTO governance to better accommodate the public policy.
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Portland General Electric Formalizes EDAM Commitment
Portland General Electric became the second entity in the Western U.S. after PacifiCorp to sign an implementation agreement for the Extended Day-Ahead Market.

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