January 22, 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.
© RTO Insider
California RA: ‘Fear and Loathing’ in Redondo Beach
Speakers at the Infocast California Energy Summit said the state’s grid reliability will be increasingly at risk if it doesn’t soon address resource adequacy planning.
CAISO Board Approves Forecast Error Measures
The CAISO Board of Governors new imbalance conformance rules allow the ISO to account for errors in renewable energy forecasts.
MISO LOLE Study Overestimates Auction Capacity
A recent MISO study slightly overestimated actual capacity offers in the 2018/19 Planning Resource Auction.
Stakeholders Urge MISO to Reconsider Seasonal Market
The MISO Reliability Subcommittee’s resource availability and need effort could revive a discussion on developing a capacity market divided by season.
Powelson: ‘Erosion of Confidence’ in Stakeholder Process
FERC Commissioner Robert Powelson said that he sees an “erosion of confidence” in RTO stakeholder processes.
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FERC Approves CAISO-Calpine RMR Settlements
FERC approved settlement agreements among CAISO, Pacific Gas and Electric and Calpine covering reliability-must-run contracts for three Northern California gas-fired plants, reducing the revenue they will receive and making them subject to a must-offer requirement.
ERCOT Gains Additional Capacity to Meet Summer Demand
ERCOT will have more breathing room as it prepares for record demand this summer after an additional 525MW of generation recently came online in Texas.
MISO: Summer Reserves Adequate, but Emergency Likely
While MISO says it’s ready for a warmer-than-normal summer, officials cautioned that operators will likely lean on demand response (DR) resources to manage loads during the season.
TexasAdmin
ERCOT Board of Directors Briefs: April 10, 2018
The ERCOT Board of Directors rejected an appeal by small public power distributors seeking a proposed change to the definition of transmission owners.
FERC Rejects CAISO CPM Proposal
FERC rejected the proposed CAISO Capacity Procurement Mechanism Risk-of-Retirement (CPM ROR) program.

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