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December 26, 2025

California Independent System Operator (CAISO)

PGE Disputes ALJ’s Diablo Canyon Recommendation
PG&E says it will challenge a California ALJ’s recommendation that it be granted only $190 million for the retirement of the Diablo Canyon nuclear plant.
California Utilities Short on Local RA Capacity
A CAISO report suggests that California’s utilities are about 2,000 MW short of the capacity needed to comply with 2018 local resource adequacy requirements
California Utilities Exceeding Renewable Requirements
California electricity suppliers have met the state’s 25% renewable generation requirement, in many cases exceeding it substantially, the PUC says.
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Wildfires Color California PUC Utility Decisions
Utilities are dealing with several wildfire-related proceedings at the California Public Utilities Commission, which is exploring taking a larger role.
CAISO
CAISO Seeks Bump in Spending, Revenue Requirement
Increased labor costs from the expanding EIM helped push up CAISO’s 2018 revenue requirement by $1.9 million to $197.2 million.
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CAISO Urged to Broaden ESDER Phase 3
CAISO is facing pressure from some stakeholders to broaden the scope of its Energy Storage and Distributed Energy Resources (ESDER) Phase 3 initiative.
FERC Settlement Cuts Barclays Market Manipulation Fine
FERC agreed to sharply reduce the penalty Barclays Bank must pay to settle claims that it manipulated Western electricity markets a decade ago.
PGE Earnings up 42% on Lower Expenses
Pacific Gas and Electric (PG&E) earnings jumped 42% to $550 million during the third quarter ($1.07/share), boosted in large part by reduced expenses.
Pinnacle West Capital Profit Rises on Customer Growth
Pinnacle West Capital, parent of APS, earned $276 million ($2.46/share) in the third quarter, compared with $263 million during the same period in 2016.
FERC Approves CAISO Black Start Changes
FERC approved CAISO Tariff changes to establish a process for procuring black start resources needed to restore California’s transmission system.

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