January 24, 2025

Resource Adequacy

Resource adequacy is the ability of electric grid operators to supply enough electricity at the right locations, using current capacity and reserves, to meet demand. It is expressed as the probability of an outage due to insufficient capacity.
MISO Predicts Adequate Winter Reserve Margin
MISO predicts it will have double its required winter reserve margin, due in part to increased north-south transfer capacity and improved emergency pricing.
MISO Resource Adequacy Subcommittee Briefs
MISO’s forward capacity auction proposal for merchant supply is close to being filed with FERC, and the RTO is using the final weeks to make presentations to support its stance.
ERCOT Asks for Conservation Measures in Rio Grande Valley
ERCOT is asking consumers in the Lower Rio Grande Valley region to limit or reduce their electricity use where possible through Tuesday, especially during the 3-7 p.m. peak demand hours.
FERC Upholds MISO’s White Pine, Escanaba Refunds
FERC said MISO can continue doling out refunds to Wisconsin utilities, upholding the RTO’s new cost allocation methodology for three system support resource power plants in Michigan’s Upper Peninsula.
SPP Readies for Winter with Improved Wind Forecasts, Gas Coordination
SPP says improved wind forecasting and coordination with gas pipelines have the RTO well prepared for the coming winter.
MISO Resource Adequacy Subcommittee Briefs
All energy storage resources wanting to qualify as capacity should register as behind-the-meter for the 2017/18 planning year, MISO said at last week’s two-day Resource Adequacy Subcommittee meeting.
ERCOT Expects Adequate Generation for Fall, Winter
The latest resource adequacy assessments in ERCOT indicate it has 25,000 to 30,000 MW of spare generating capacity for the fall and winter.
Upper Peninsula Ratepayers to Seek FERC Probe of Billing Fraud
A group of Upper Peninsula electric users in MISO plans to ask FERC to investigate WEPCo. for allegedly falsifying records to increase its revenues under the Presque Isle SSR.
MISO Resource Adequacy Subcommittee Briefs
At last week's MISO Resource Adequacy Committee meeting, the RTO said that they're reviewing the transfer limit between their South and North regions.
Little Love for PJM in Capacity Market Debate
The PJM Capacity Performance rules got little love during a NARUC panel discussion on the role of states versus markets in procuring electric generation.

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