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July 10, 2025

sloped demand curve

NERC
FERC Focuses on Midwest, Northeast in Day 2 of RA Tech Conference

FERC’s resource adequacy technical conference zoomed out on the second day, June 5, with several panels examining ISO-NE, MISO and NYISO.

MISO
MISO Stakeholders Request Theoretical 2025/26 Auction Clearing Sans Sloped Curve

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.

MISO
MISO Prepping for Likely 123-GW Summer 2025 Peak
MISO cautioned it’s likely in for heat waves and drought this summer with a slight chance it navigates a 130-GW peak in July.
Minnesota Power
MISO Angles for More Generation, RA Requirements in 2025
MISO will waste no time in 2025 trying to blunt the threat of a shortage that could arrive in the summer months by encouraging new generation and enacting further resource adequacy measures.
© RTO Insider LLC 
FERC Upholds MISO Sloped Demand Curve, Lets Opt-out Provision Stand
FERC was not persuaded by environmental nonprofits, utilities nor Mississippi regulators to order MISO to rework the sloped demand curve it’s been cleared to use in the spring capacity auction.
© RTO Insider LLC 
MISO Sets Surplus Reserve Margin Requirement for LSEs Opting Out of Capacity Auction
Load-serving entities that decide against participating in MISO’s capacity auction must secure anywhere from 1.5% to 4.2% beyond their reserve margin requirements in the 2025/26 planning year.
© RTO Insider LLC
Environmental Groups Seek Rehearing of MISO Sloped Demand Curve
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.
© RTO Insider LLC
MISO Monitor Spotlights Congestion Fixes, Market Mismatches in 2023
MISO’s Independent Market Monitor debuted six new market recommendations this year as part of his annual State of the Market report.
MISO
MISO: Sloped Curve Would Have Raised 2024/25 Capacity Auction Prices
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.
Analysis Group
Stakeholders Battle over Battery as Proxy in NYISO Demand Curve Reset
NYISO stakeholders are divided over consultants’ proposal to use a two-hour battery as the peaking plant in the ISO’s capacity market demand curve, as part of its quadrennial demand curve reset for 2025-2029. 

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