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January 29, 2026

inverter-based resources (IBRs)

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.

Shutterstock
NERC Standards Committee Rejects IBR Definitions Request
NERC's Standards Committee moved forward with multiple standards development projects, while rejecting one standard request as proposed by a development team.
NERC
NERC Warns Summer Shortfalls Possible in Multiple Regions
NERC's Summer Reliability Assessment found that energy shortfalls are possible this summer in the middle of North America, New England and Baja California.
Admin Monitor
Texas PUC Drafting Reliability Exemption Rule for ERCOT
The Texas Public Utility Commission’s staff are drafting a rule codifying a process for exemption requests from ERCOT reliability requirements.
Shutterstock
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.
NERC
NERC Standards Committee Approves IBR Posting
NERC's Standards Committee agreed to post several standards projects for industry comment, though members expressed concern about a plan to compress their timelines.
NERC
NERC Warns Many Inverters’ Information Not Up to Date
NERC said the response to an alert from June 2024 shows many generator owners do not have available, up-to-date information on the capabilities of their inverter-based resources.
Energy Innovation
Industry Anxiety over Grid Reliability Overblown, Panel Says
The current debate in the U.S. electricity sector pitting efforts to increase renewables against the need for grid reliability in the face of growing demand could be unnecessary and counterproductive, according to one expert.

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