Planning Resource Auction (PRA)
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.
As it gears up to run its first auctions using sloped demand curves, MISO said prices and procurement would have risen had it used them in this year’s auctions.
After two requests for more information and nine months, FERC has greenlit MISO’s plan to exchange its current, vertical curve for sloped demand curves in its seasonal capacity auctions.
Nearly a decade after the MISO capacity auction in which Dynegy was found to have manipulated clearing prices, FERC has directed hearing and settlement procedures in the case.
There’s no going back on waning capacity in MISO, panelists agreed at a gathering of state regulators, though predictions of escalating load growth have some skeptical.
Ameren executives have reassured shareholders that Missouri’s capacity shortfall beginning this summer is no cause for panic.
MISO said its second seasonal capacity auction returned sufficient capacity in all zones except a portion of Missouri, where prices soared to more than $700/MW-day in fall and spring.
Key deadlines already have arrived for MISO’s spring capacity auction, while MISO has hiked its planning reserve margin for the 2024/25 planning year.
Stakeholders appear divided over MISO’s proposal to use a downward sloping demand curve in its capacity auction, with criticisms mostly aimed at a provision to allow utilities to opt out of the auction for three years at a time.
MISO has calculated significant increases in its annual cost of new entry for use in its capacity auction in the 2024/25 planning year.
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