ERCOT released its semiannual but delayed Capacity, Demand and Reserves report that provides potential future planning reserve margins five years into the future that some say are "scary."

MISO hopes to mete out different reserve margin obligations to its load-serving entities as it sees bigger perils on the horizon.

CAISO's Resource Adequacy Modeling and Design "workshop" is designed to reevaluate and refine several mechanisms the ISO uses to ensure resource adequacy.

Load-serving entities that decide against participating in MISO’s capacity auction must secure anywhere from 1.5% to 4.2% beyond their reserve margin requirements in the 2025/26 planning year.

FERC accepted a second compliance filing from SPP outlining its process for determining its planning reserve margin with an order that found the RTO’s response met the commission’s directives.

SPP directors and regulators have approved the grid operator’s first winter planning reserve margin, endorsing a base PRM that is 3 percentage points higher than many of its utilities wanted.

The Sierra Club, Natural Resources Defense Council and the Sustainable FERC Project are seeking a rehearing of MISO’s sloped demand curve in its capacity auction.

SPP’s Markets and Operations Policy Committee endorsed recommended revision requests from two stakeholder groups as part of the RTO’s effort to strengthen resource adequacy.

SPP’s REAL Team approved base planning reserve margins and a sufficiency valuation curve, codifying months of work.