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April 24, 2025

D.C. Circuit Court of Appeals

Constellation Energy
DC Circuit Vacates FERC Approval of Two LNG Facilities in Texas
The D.C. Circuit Court of Appeals vacated FERC’s approval of two LNG export facilities in Texas and remanded the cases back to the commission.
Shutterstock
DC Circuit Vacates Pipeline Approval FERC Issued over NJ’s Objections
The D.C. Circuit Court of Appeals vacated and remanded an order by FERC approving a natural gas pipeline in New Jersey that state regulators said was unneeded.
Entergy
DC Circuit Declines Entergy Challenge of MISO Seasonal Accreditation
The D.C. Circuit Court of Appeals rejected Entergy’s challenge of MISO’s seasonal capacity accreditation and generator outage rules, two years after FERC approved the rules.
Tenaska
DC Circuit Finds for SPP in Wind Farm Dispute
The court rejected a wind farm’s challenge of FERC’s decision to allow SPP to charge more than $100 million for upgrades needed to connect the facility to the grid operator’s system.
Shutterstock
PURPA Case Offers FERC Early Glimpse of Post-Chevron World
FERC is getting an early taste of life without Chevron deference after the Supreme Court remanded a case involving the Public Utility Regulatory Policies Act back to an appeals court.
SEEM
FERC Requests Briefings on SEEM After DC Circuit Order
FERC requested stakeholder arguments on whether SEEM should be considered a loose power pool under Order 888.
D.C. Circuit Court of Appeals
DC Circuit Upholds NYISO 17-year Amortization Rule
The D.C. Circuit Court of Appeals has upheld FERC’s approval of a key NYISO capacity market price determinant that the state utility regulator says could raise costs by hundreds of millions of dollars per year. 
Shutterstock
DC Circuit Rejects Challenge to California Car Emissions Waiver
The D.C. Circuit Court of Appeals rejected a challenge from Republican state attorneys general and others against California’s ability to set its own regulations on automobile emissions under the Clean Air Act. 
Bechtel
Appeals Court Upholds FERC on Gas Project Extensions
The D.C. Circuit ruled in favor of FERC granting previously approved natural gas projects’ requests for an extension of their deadlines to bring the facilities online.
NYISO
Stakeholder Soapbox — There and Back Again: D.C. Circuit Again Considers NYISO’s Approach to Zero-Emission Mandate
Dozens of states have adopted emission-reduction targets aimed at fighting climate change. But how should RTOs account for those initiatives when their effects are delayed, uncertain, expensive for consumers or all of the above? 

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