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February 23, 2026

Midcontinent Independent System Operator (MISO)

Eversource
Demand Growth and Extreme Weather: The Grid’s New Normal
CAISO CEO Elliot Mainzer, ERCOT CEO Pablo Vegas and MISO's Todd Hillman joined a USEA webinar to discuss grid reliability amid increases in extreme weather and load growth.
Alliant Energy
Research Firm Emphasizes MISO Queue’s Wait Times, Bigger Projects, Tx Influence
A recent webinar from Texas-based analytics firm Aurora Energy Research drew attention to promising and troubling trends alike in MISO’s interconnection queue process.
© 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.
MISO
MISO in June: Unchanged Pricing, Lower Peak than Expected
June brought a 2-GW lower peak than anticipated and unchanged real-time and fuel prices from last year, MISO said in a monthly operations report.
© RTO Insider LLC 
MISO Previews Future Projects to Improve System Planning
MISO has multiple planning topics to tackle on the horizon, with work involving an update of merchant HVDC interconnection procedures, making expedited transmission project reviews more manageable, and evaluating co-located load and generation seeking interconnection.
Entergy
DC Circuit Declines Entergy Challenge of MISO Seasonal Accreditation
The D.C. Circuit Court of Appeals rejected Entergy’s challenge of MISO’s seasonal capacity accreditation and generator outage rules, two years after FERC approved the rules.
MISO
FERC Requires More Intel on MISO’s New Capacity Accreditation Method
FERC said it needs more explanation behind MISO’s plan to use a capacity accreditation that would accredit resources based on a combination of their projected availability and historical performance during periods of high system risk.
MISO
MISO Sets Sights on 50% Peak MW Cap in Annual Interconnection Queue Cycles
MISO plans to pursue a more straightforward, 50% peak load megawatt cap to limit the number of generator interconnection requests it will accept annually.
United Steel Structures Inc.
NRDC: Coal Plants Squeezing Out Cheaper Resources in MISO Market
Coal plants in the Central U.S. are elbowing out lower-cost, cleaner generation and have collected more than $1 billion in uneconomic payments over a three-year span, the Natural Resources Defense Council said in a new report.
MISO
MISO Closing in on Final, $25B LRTP; Monitor Repeats Reservations
MISO’s $25 billion, mostly 765-kV long-range transmission package for the Midwest region is nearing finalization, while the Independent Market Monitor continues to doubt the necessity of the projects.

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