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December 29, 2025

Midcontinent Independent System Operator (MISO)

Basin Electric Power Company
Basin Electric Freed of PURPA Purchases Over 20 MW
FERC on Monday approved Basin Electric Power Cooperative requests to eliminate its obligation to purchase power and capacity from generating facilities over 20 MW under the Public Utilities Regulatory Policies Act (PURPA).
© RTO Insider
Monitor Backs MISO Uninstructed Deviation Proposal
MISO’s Monitor is backing the RTO’s proposal to allow generators to recoup a portion of make-whole payments even when their ramp rates fall short.
RTO Resilience Filings Seek Time, More Gas Coordination
RTO officials asked FERC to allow their stakeholder processes time to develop additional resilience measures and to require more gas-electric coordination.
Outages Small Risk for MISO Spring Operations
MISO detailed its spring readiness and said there’s a small possibility of emergency conditions.
LA.gov
No Refunds in 20-Year-Old Entergy Rate Complaint
Entergy Louisiana will not have to issue refunds in a decades-long rate dispute with the Louisiana Public Service Commission, the D.C. Circuit Court of Appeals ruled Tuesday.
BYD
MISO Storage Task Force Talks Order 841
MISO’s Energy Storage Task Force has been left wondering if it will help shape the RTO’s response to FERC’s sweeping storage participation order.
WEPCo
FERC Approves MISO Presque Isle Refund Calculation
FERC accepted MISO’s plan to refund Michigan ratepayers $24.6 million in overcharges stemming from SSR agreements imposed on Presque Isle.
MISO
FERC Vacates, Upholds MISO Resource Adequacy Rules
FERC both vacated and reinstated MISO’s entire resource adequacy construct, ultimately leaving the RTO’s current capacity auction format undisturbed.
Calpine
FERC to Examine 2 MISO Generators’ Reactive Rates
FERC instituted proceedings to examine the reactive rate schedules of two MISO generating facilities, one of which is owned by Calpine.
MISO
MISO Wins Delay on 5-Minute Settlement Roll-Out
MISO secured from FERC another four months to implement mandatory five-minute settlements.

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