Elliot Mainzer
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The Extended Day-Ahead Market took center stage at CAISO in 2025 as the ISO tabled other long-term initiatives to ensure the market’s timely launch in May 2026, with PacifiCorp as its first participant.
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CAISO’s Board of Governors approved two proposals intended to improve how the ISO calculates resource adequacy values and tracks RA supply.
Shutterstock
Below-average temperatures in California this summer have reduced demand and made electric grid operations uneventful so far, with the state reaching 40,000 MW of demand for the first time in July.
PNM
Public Service Company of New Mexico made it official: The utility signed an implementation agreement to begin participating in CAISO’s Extended Day-Ahead Market in fall 2027.
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California-based Turlock Irrigation District has agreed to join CAISO’s Extended Day-Ahead Market in 2027.
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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BPA's day-ahead market decision will have “major reliability and affordability impacts” on electricity customers in the Northwest and across the West, CAISO CEO Elliot Mainzer told the ISO’s Board of Governors
House Energy and Commerce Committee
ISO/RTO leaders explained the issues facing their markets and took some questions from members, with subjects like FERC's independence and the recent capacity price spikes in PJM coming up.
NOAA
CAISO, California and other parts of the West head into 2025 with a heavy load of priorities: implementing EDAM, developing the infrastructure needed to meet ambitious climate goals, and moving forward with new and continuing initiatives to address some of the ISO’s biggest challenges.
© RTO Insider LLC
CAISO’s launch of the Extended Day-Ahead Market will not spell the end of a Western real-time-only offering from the ISO, according to CEO Elliot Mainzer.
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