CAISO Extended Day-Ahead Market (EDAM)
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.
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.
Bonneville's final record of decision will come as little surprise to those who’ve been following market developments in the West.
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.
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.
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.
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 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.
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.
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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