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December 19, 2025

CAISO Extended Day-Ahead Market (EDAM)

CAISO
WEM Board OKs Gas Management Changes to Provide ‘Equitable Access’ to Markets
The Western Energy Markets Governing Body approved a set of revisions to CAISO's gas-fired energy generation resource management program after two years of work with stakeholders.
CAISO
CAISO Looks to Eliminate Self-schedule Incentives in EDAM Congestion Revenue Design
CAISO continues to work to revise the rules around how congestion revenues will be allocated to participants in the ISO’s Extended Day-Ahead Market, which will be launched in spring 2026.
West-Wide Governance Pathways Initiative
Pathways Takes Key Step Toward Establishing ROWE
The West-Wide Governance Pathways Initiative’s Launch Committee approved the bylaws and incorporation documents for the organization that will govern CAISO’s energy markets.
Quanta Infrastructure Solutions Group
CAISO, SPP Explore Using Existing Tools to Manage DAM Seams
CAISO and SPP have made “significant progress” on adapting existing tools to tackle seams between the two entities’ respective day-ahead markets, according to a CAISO representative.
U.S. Army Corps of Engineers
BPA Outlines Next Steps in Markets+ Implementation
As the Bonneville Power Administration prepares to join Markets+, the agency hopes to complete the initial program governance setup and define its commercial model for market participation in early 2026.
© RTO Insider LLC
Pathways’ ROWE Could Offer Western RA Program, PGE Says
The West-Wide Governance Pathways Initiative could lead the charge on developing an alternative to the Western Resource Adequacy Program that would integrate with CAISO’s Extended Day-Ahead Market, according to co-Chair Pam Sporborg.
© RTO Insider 
FERC Report Urges West to Address Looming Market Seams Issues
A new FERC report adds to the growing body of work showing the complexity of confronting the seams issues likely to arise between the West’s two day-ahead markets when compared with challenges at the borders between RTOs and ISOs in the Eastern U.S.
PacifiCorp
PacifiCorp Staffs Up Ahead of EDAM Launch
PacifiCorp is hiring additional employees to prepare for CAISO’s Extended Day-Ahead Market next year, with staff expecting the launch will bring a few “scratches and bruises.”
CAISO
Market Monitor Urges CAISO to Reconsider EDAM Intertie Proposal
CAISO's Department of Market Monitoring has asked the ISO to re-evaluate its intertie scheduling proposal for the Extended Day-Ahead Market due to potential impacts on market participants.
© RTO Insider LLC
Updated: SPP Markets+ Cruising Through Early Development
SPP says the development of its Markets+ day-ahead market in the West is proceeding on time and under budget, with the hard part yet to come.

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