January 18, 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.
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CAISO Speeds Rule Changes to Avoid Shortfalls
CAISO issued a draft final proposal for its summer readiness market enhancements initiative just three weeks after presenting a straw proposal.
With Crisis Behind it, ERCOT Now Faces the Music
With the ERCOT system back to normal operations, Texas politicians and regulators are taking initial steps to ensure a similar crisis doesn’t happen again.
Southern Calif. Could Fail RA Test, WECC Says
The California-Mexico subregion cannot maintain resource adequacy without imports, and the greatest risk of shortages is in Southern California, WECC said.
UPDATED: ERCOT System Returns to Normal Operations
ERCOT said reserves had been restored and declared a return to normal conditions, ending an emergency that had left more than 4 million without power.
ERCOT: Grid was ‘Seconds and Minutes’ from Total Collapse
ERCOT said that enough generation had returned to service to stop the rotating outages that began Feb. 15.
ERCOT Focuses on Restoration, not Blame
ERCOT leadership made it clear that it is fully committed to restoring power to the millions of Texans spending their fourth night shivering in the dark.
Slow Storm Restoration Sparks Anger in Texas, South
The inability of Midwestern grid operators to recover quickly from extreme winter weather drew customer anger, along with scrutiny from regulators.
NY Considering IRPs for Gas Utilities
New York regulators have proposed natural gas planning procedures that could address how utilities balance infrastructure needs with GHG reduction goals.
UPDATE: ERCOT, MISO, SPP Slough Load in Wintry Blast
SPP joined ERCOT in initiating rolling blackouts Monday as the entire Midwest experiences an unprecedented winter storm.
Grid Operators Face Historic Arctic Blast
Extreme winter weather has placed much of the country’s heartland in a deep freeze and has MISO, SPP and ERCOT scrambling to meet anticipated record demand.

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