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February 21, 2026

Midcontinent Independent System Operator (MISO)

NERC
MISO States Dispute ‘High Risk’ Designation from NERC
Members of the Organization of MISO States sent a letter to contradict aspects of NERC’s Long-Term Reliability Assessment, disputing the ERO’s label of MISO as being at “high risk.”
AES Indiana
MISO Members Push for Modernized Storage Rules
MISO membership called for modernized market rules for energy storage that can capture its chameleon-like roles.
Entergy
ERAS Tour: Hi, It’s Me, I’m the Planning Problem
The new ERAS processes in MISO and SPP allow certain power plants to effectively jump the interconnection line, skipping ahead of hundreds of other projects already waiting their turn, writes Southern Renewable Energy Association Executive Director Simon Mahan.
Meta
MISO Suggests Reliability Requirements, Partial Supply Deals to Handle Large Loads
MISO said it likely will create interconnection reliability requirements and explore new rules that could bring large customers online in stages, as capacity becomes available, to get a handle on large loads eyeing MISO locales.
© RTO Insider LLC
MISO Hits Pause on Integrated Survey Idea After Regulator Unease
MISO has deferred plans for an all-encompassing future-looking assessment that relies on member data after state regulators appeared hesitant about the move.
Entergy Louisiana
Stakeholders Say MISO’s Nonpublic Extreme Events Study Merits Closer Look
Some MISO stakeholders said an extreme events analysis from 2025’s transmission planning cycle potentially raises a red flag and deserves more attention.
Walters Group
Regulators: MISO Stakeholders Should Decide Cost-sharing for DOE Coal Plant Orders
State regulators in MISO asked FERC to let power industry stakeholders determine how to allocate the costs for an Indiana coal plant forced to stay online by the Trump administration’s Department of Energy.
Fluence
MISO Pushes Interconnection Queue Timelines Back Again
MISO announced further delays in its generator interconnection queue for the cycles of projects that entered in 2022, 2023 and 2025.
MISO
MISO Enters Max Gen Emergency in Arctic Blast
MISO declared a maximum generation emergency for its Midwest region just after midnight on Jan. 24 as the northern portions of the footprint rode out double-digit negative temperatures.
NextEra Energy
FERC Rebuffs Clean Energy Orgs’ Arguments Against MISO Fast Lane
FERC ruled that MISO is free to continue using its interconnection queue fast lane, shutting down rehearing requests from several clean energy organizations.

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