CAISO Extended Day-Ahead Market (EDAM)
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FERC rejected a request by four Western utilities to rehear its approval of the “transmission contributors” option in the SPP Markets+ tariff but provided the utilities clarification on the boundaries of that provision.
Aurora Energy Research
The study, conducted by Aurora Energy Research, found EDAM could provide the Denver-based utility $11.2 million more in average annual savings from 2028 to 2040 compared with Markets+, rising to $13.2 million through 2060.
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The latest version of California’s “Pathways” bill strips out a previous amendment that would have given state regulators authority to order utilities to withdraw from the RO under certain circumstances.
The Imperial Irrigation District
CAISO said the Imperial Irrigation District has signed implementation agreements and will begin participating in the WEIM and EDAM in 2028.
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A California bill to implement the West Wide Governance Pathways Initiative’s Step 2 proposal is headed to the floor of the state Senate after being approved by the body’s Appropriations Committee.
CAISO
CAISO delayed its final decision on how to allocate congestion revenues in its Extended Day-Ahead Market after receiving comments from stakeholders asking for more analysis.
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California-based Turlock Irrigation District has agreed to join CAISO’s Extended Day-Ahead Market in 2027.
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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 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
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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