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December 18, 2025

California Independent System Operator (CAISO)

CAISO
EDAM Intertie Scheduling Processes Raise Stakeholder Concerns
At one of the most well attended workshops of the year, CAISO staff described new processes for scheduling intertie resources and resource adequacy imports in EDAM.
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CAISO Board Approves 2 Key RA Program Proposals
CAISO’s Board of Governors approved two proposals intended to improve how the ISO calculates resource adequacy values and tracks RA supply.
CAISO
Analysis Finds ‘Material’ Parallel Flow Effects in CAISO from PacifiCorp BAA Transactions
In an ongoing high-stakes analysis, CAISO has determined that transactions between PacifiCorp’s two balancing authority areas can “materially” affect parallel flows on certain CAISO transmission constraints.
CAISO
‘Aggressive’ EDAM Schedule ‘Going Smoothly’ for PacifiCorp, PGE

PacifiCorp and Portland General Electric remain on track to join CAISO’s Extended Day-Ahead Market on their planned entry dates, although the schedule remains “very tight and very aggressive."

CAISO
Pathways Co-chair Maps out ‘Enhanced’ Stakeholder Process for Western Markets
The West-Wide Governance Pathways Initiative’s Launch Committee Co-Chair Pam Sporborg said the stakeholder process of the new regional organization that will oversee CAISO’s energy markets is an evolution of the ISO’s Regional Issues Forum.
New Mexico PRC
PNM Accounting Request Revives EDAM vs. Markets+ Debate
State regulators approved an accounting order for Public Service Company of New Mexico’s participation in CAISO’s Extended Day-Ahead Market, in a case that rekindled the debate over which day-ahead market PNM should choose. 
California Governor's Office
VPPs Suffer Setbacks in Calif. Legislative Session
The 2025 California legislative session ended in disappointment for virtual power plant proponents, as several VPP-related bills were vetoed and funding fell through for an existing program.
PG&E
FERC Approves PG&E’s Cost Recovery Request for Abandoned Battery
FERC approved PG&E’s request to recover more than $600,000 in costs for an abandoned battery plant in California.
CAISO
‘Above-normal’ Chance of Large Wildfire in Southern California This Fall
Southern California faces an above-normal chance of a significant wildfire in the coming months, less than one year after fires burned the Los Angeles region.
CPUC
CPUC Judge Proposes Ordering 6 GW of New Resources as Tax Credits Fade
A California PUC judge has proposed the commission order an additional 6 GW of capacity for the state between 2029 and 2032 to get ahead of disappearing federal tax credits and loans for renewable energy resources.

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