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December 24, 2025

California Independent System Operator (CAISO)

FERC
FERC Extends New ROE Policy to MISO; Seeks Comments
FERC moved to apply its proposed new methodology for calculating transmission owners’ return on equity rates to dockets in MISO and the South.
123rf
FERC Proposes $10M Threshold on Merger Reviews
FERC would no longer review mergers valued at less than $10 million under a Notice of Proposed Rulemaking.
The White House
FERC Acts on Tax Cuts
Transmission owners will be required to reduce their rates to reflect reduced corporate income taxes under a proposal issued by FERC.
© RTO Insider
NARUC Briefs: New Chief Picked, Staffers Honored
The National Association of Regulatory Utility Commissioners (NARUC) held its annual meeting where new President Nick Wagner expressed his vision for 2019.
CAISO RC Effort Gets FERC Go-ahead
FERC approved a set of Tariff revisions covering California Independent System Operator's new reliability coordinator services.
CAISO
FERC OKs CAISO Plan to Deal with CRR Shortfalls
FERC has accepted CAISO’s revised proposal to protect electricity ratepayers from funding shortfalls in the ISO’s congestion revenue rights market.
EDP Renewables
FERC: Order 845 Compliance Unaffected by Rehearing Bids
FERC clarified that rehearing requests on Order 845 did not delay its effective date, only the date that compliance filings are due.
Pinnacle West Lauds Ariz. Vote in Q3 Earnings Call
Pinnacle West Capital is poised to move forward with its own clean energy plans after Arizona voters rejected Proposition 127.
Sempra Divesting Solar for LNG, Regulated Ventures
Sempra Energy is on-track to sell its renewable energy assets and invest the funds elsewhere, the company said in its third-quarter earnings call.
NERC to Try Again on Inverter Rules
NERC stakeholders are expected to consider a new standard authorization request to address inverter-based resources after the Standards Committee rejected two proposed by CAISO.

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