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December 5, 2025

RM25-3

Lo83, CC-BY-SA 4.0, via Wikimedia Commons
NERC Preparing Workshop on FERC IBR Order
NERC plans to hold a workshop Nov. 5 to both inform industry of its plan to satisfy FERC Order 909 and solicit input from stakeholders on the next steps.
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FERC Denies IBR Clarification, Adds to OER’s Mandate
FERC denied two clean energy associations' request that it encourage NERC to complete its examination of a recent standard on inverter-based resources quickly.
FERC
FERC Approves IBR Ride-through Standards
FERC approved two new reliability standards mandating voltage and frequency ride-through requirements for inverter-based resources.
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NERC Responds to Industry Critique on IBR Standards
NERC defended its proposed standard on inverter-based resources from stakeholder criticism on several aspects, including its development process and exemptions for legacy technology.
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Stakeholders Call for Further IBR Standard Revisions
Industry stakeholders called for a number of revisions to NERC's proposed inverter-based resource ride-through standards, mostly involving the exemption process for legacy inverters.
FERC
FERC Approves NERC Assessment, Seeks Comment on IBR Standards
FERC accepted NERC's five-year performance assessment while seeking comments on its proposal to adopt two standards related to inverter-based resources.

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