capacity auction
Rainbow Energy Center
A trade group representing multiple MISO power producers has lodged a complaint against retroactive pricing revisions in MISO’s 2025/26 capacity auction, joining Pelican Power in calling the repricing unlawful.
Shutterstock
MISO ended its 10-year run allowing energy efficiency in its capacity market, as FERC allowed the change to take effect.
Stantec
Louisiana-based power generator Pelican Power is the first to register a complaint over MISO’s yearslong miscalculation in its capacity auctions in an effort to stop the RTO’s retroactive pricing corrections.
Shutterstock
MISO signaled an openness to alter its 31-day planned outage rule for units that signed up to be capacity resources.
© RTO Insider LLC
MISO said a yearslong software error caused it to clear more capacity than intended in past capacity auctions and which has resulted in an approximate $280 million impact to market participants in this year’s auction.
Bechtel
MISO members largely agreed that MISO’s new capacity auction structure — featuring individual seasonal auctions and a sloped demand curve — is better for the health of the system.
PJM
The clearing price is the highest in PJM history and an increase of $59.22 (22%) from last year’s record for the RTO.
MISO
Stakeholders continue to ask MISO to crunch hypothetical auction clearing prices absent the RTO’s new sloped demand curve that sent prices past $660/MW-day for summer.
© RTO Insider
MISO CEO John Bear put a positive spin on the grid operator making do with little cushion in its supply.
MISO
MISO’s 2025/26 capacity auction returned $666.50/MW-day prices across all zones in the summer, reinforcing the need for members to build new generation fast, the grid operator said.
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