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December 5, 2025

inverter-based resources (IBRs)

Duke Energy Renewables
NERC Posts IBR Standards for Comment
NERC's new standards aim to satisfy FERC's directive to develop reliability requirements for inverter-based resources.
EMC Engineering Services
NERC Plans to Register 720 IBRs by May 2026
NERC will begin registration of Category 2 IBRs within the next few months, according to the ERO.
FERC
FERC Approves IBR Ride-through Standards
FERC approved two new reliability standards mandating voltage and frequency ride-through requirements for inverter-based resources.
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.
FERC
Lauby Says U.S. ‘On the Right Track’ After Iberian Blackout
NERC Chief Engineer Mark Lauby said the North American grid already has measures in place to prevent the mishaps that led to April's blackout in Spain and Portugal.
Shutterstock
Expert Says Spain Blackout Unlikely in U.S.
Analysis from a Grid Strategies expert indicates that the issues that caused the Iberian Peninsula blackout are unlikely to occur in the U.S.
NERC
NERC RSTC Tackles Priority Projects in Quarterly Meeting
At the quarterly meeting of NERC’s Reliability and Security Technical Committee, NERC Chief Engineer Mark Lauby reminded members that the industry is facing “a busy time” dealing with the growing number of risks to grid reliability.
PJM
PJM Operating Committee Briefs: June 3, 2025
The month of May saw one spin event to PJM, a shared reserve event, three high-system-voltage actions and 24 post-contingency local load relief warnings, according to the RTO’s monthly operating metrics.
© RTO Insider 
PJM MIC Briefs: June 2, 2025

The PJM Market Implementation Committee discussed a proposal to allow demand response resources to participate in the regulation market when there are energy injections at the same point of interconnection to the distribution grid.

Shutterstock
Balloting on New IBR Standard to Begin Soon

NERC will open ballots soon on the latest standard aimed at satisfying FERC's order to address reliability of inverter-based resources.


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