CAISO Extended Day-Ahead Market (EDAM)
The proposed merger between Black Hills Corp. and NorthWestern Energy likely will reshape the map in the competition between CAISO’s Extended Day-Ahead Market and SPP’s Markets+ — but it’s still too early to know where new boundaries will be drawn.
The Oregon Department of Energy’s new draft energy strategy points to the importance of new transmission development and expanding electricity markets for meeting the state's energy goals.
Trade organizations for utilities and large energy consumers seek to intervene in the lawsuit filed in the 9th Circuit Court of Appeals challenging the Bonneville Power Administration’s decision to join SPP’s Markets+ instead of CAISO’s EDAM.
California Gov. Gavin Newsom again appeared to voice support for the proposed bill that would allow CAISO to relinquish market governance to an independent regional organization, saying the legislation can reduce electricity costs and improve reliability.
CAISO’s Western Energy Imbalance Market provided participants with $422.44 million in economic benefits during the second quarter of 2025, up 15% compared with the same period year earlier despite no change in membership.
The West-Wide Governance Pathways Initiative will run its stakeholder processes separately from CAISO’s until the effort's regional organization is formally launched in 2028, even in areas of overlapping interest.
Members of the Colorado PUC expressed differing opinions on whether PSCo joining Markets+ would be in the public interest.
A new task force will examine how the WPP’s WRAP can continue to operate efficiently under the new multimarket environment emerging in the West.
FERC is moving to rescind the West-wide wholesale electricity price cap mechanism it instituted in 2002 in response to widespread price manipulation during the Western energy crisis of 2000/01.
The author behind the bill that would allow CAISO to relinquish market governance to an independent RO has delayed a hearing after several organizations withdrew support for the proposed legislation.
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