CAISO Extended Day-Ahead Market (EDAM)

© RTO Insider 
Debate Lingers After BPA Day-ahead Market Decision
Though BPA removed any uncertainty by selecting SPP’s Markets+ over CAISO’s EDAM, the debate over whether BPA made the right choice likely will heat up as the West confronts a split into two major markets.
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Puget Sound Energy Inks Agreement to Join Markets+
Puget Sound Energy said it is joining Markets+, marking another win for SPP shortly after the Bonneville Power Administration issued its final market policy in favor of the day-ahead market.
Travel Portland
BPA Chooses Markets+ over EDAM
Bonneville's final record of decision will come as little surprise to those who’ve been following market developments in the West.
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Panel Explores How Western Markets Have ‘Played off’ Each Other
In the competition between two Western day-ahead markets — CAISO’s EDAM and SPP’s Markets+ — the two market operators have “sort of played off one another,” an industry observer said during a panel.
© RTO Insider 
California Lawmakers Seek to Trump-proof Pathways Initiative Bill
New amendments to the proposed Pathways bill would include protections against possible attempts by President Donald Trump to influence California energy markets, such as pushing the state to buy coal-fired generation.
CAISO
CPUC, Others Question Details of EDAM Congestion Revenue Proposal
Stakeholders and state energy officials continue to raise concerns about a draft proposal that would adjust how congestion revenues are allocated in CAISO's EDAM, with the ISO aiming for a vote on the final plan in the coming weeks.
© RTO Insider
SPP Appoints New Director of Seams and Western Services

SPP has appointed Jim Gonzalez as its new senior director of seams and Western services, in what will be a highly visible position in the RTO as it continues to develop Markets+ ahead of its expected launch in 2027.

CAISO
CAISO Issues ‘Expedited’ Plan for Allocating EDAM Congestion Revenues
CAISO released a draft final proposal detailing how EDAM will allocate congestion revenues in circumstances when a transmission constraint in one BAA produces “parallel” flows in a neighboring BAA also participating in the market.
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CAISO Pauses Study of New Market Run Proposal for Gas Resources

CAISO sidelined a proposal to provide an additional market run for gas resources due to a lack of information on the subject and a need for operational experience with the ISO’s Extended Day-Ahead Market.

CAISO
Urgent EDAM Congestion Revenue Issue ‘Will Take Time’ to Address
The complex issue regarding congestion revenue allocation in CAISO’s Extended Day-Ahead Market continues to raise questions and cause some confusion for market participants.

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