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December 5, 2025

ERO Insider

MISO
MISO Skirts Max Gen Emergency in July Heat
MISO issued a slew of warning notices and operating instructions — especially in the South region — to help deal with oppressive July heat, forced generation outages and strained transmission.
FERC
NERC Requests Clarity on FERC’s INSM Order
NERC asked FERC for additional clarity on a key term in its order directing modifications to the latest critical infrastructure protection standard.
FERC
FERC Approves IBR Ride-through Standards
FERC approved two new reliability standards mandating voltage and frequency ride-through requirements for inverter-based resources.
NERC
FERC Accepts Amended NPCC Bylaws
FERC approved a set of amendments to NPCC's bylaws touching on a wide range of organizational and voting issues.
NERC
NERC Task Force Members Share Standards Modernization Progress
Members of a NERC task force working on updating the ERO's standards development process shared proposals from an upcoming white paper in a webinar.
Yes Energy
Industry Experts Find Faults in DOE’s Resource Adequacy Analysis
Industry experts say that while DOE's report points to a well known issue, it focuses only on keeping old plants online instead of needed new capacity.
AdminMonitor
Texas Public Utility Commission Briefs: July 10, 2025
Texas regulators have approved two more system resiliency plans for state utilities with a focus on wildfire mitigation, following up on a requirement from the 2023 legislative session.
MISO
IMM: NERC Reliability Assessment Still Overstating MISO Risk
MISO’s Independent Market Monitor has expressed lingering dissatisfaction with NERC’s Long-Term Reliability Assessment, even with potentially corrected values.
DOE
DOE Reliability Report Argues Changes Required to Avoid Outages Past 2030
DOE's report tries to apply one reliability metric to different markets and finds significant new capacity will be needed in some markets to avoid reliability problems by 2030.
FBI
NERC Posts CIP Survey, IBR Registration Updates
NERC released an industry survey on emerging security risks to the grid, along with material helping owners of inverter-based resources register with the ERO.

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