Search
December 20, 2025

Midcontinent Independent System Operator (MISO)

MISO Exploring New RAN Changes
MISO said it continues to weigh changes to its markets and resource adequacy construct as part of its multiyear resource availability and need project.
OMS-MISO Survey Sees Uncertain Supply Future
MISO could face a generation shortfall as early as 2022, according to the annual survey by the Organization of MISO States and the RTO.
MISO: New Outage Rules Boosted Mich. Capacity Prices
MISO said a new rule prohibiting resources on extended outages from offering capacity contributed to the historic spike in Zone 7 prices in April’s PRA.
MISO Seeks Extension on Midwest-South Tx Limit
MISO will likely extend its settlement agreement for flows on the Midwest-South subregional transmission constraint through early 2023.
© RTO Insider
MISO Drafts COVID-19 Waiver for LMRs
MISO said it will file a one-time waiver with FERC to ensure market participants can replace load-modifying resources impacted by the coronavirus pandemic.
MISO Solar Dispatch a Go, FERC Says
MISO can begin requiring new solar generation in its footprint to become dispatchable by early 2022, FERC ruled.
MISO West Planning Belies Upgrade Needs, Critics say
MISO West won’t see any major projects in this year’s transmission planning cycle, despite complaints that renewables in the interconnection queue necessitate billions in upgrades.
Heat Counteracts COVID-19 Impact on MISO Load
Unseasonably warm weather has nudged MISO load a little closer to normal this week, though demand is still being compressed by pandemic safety measures.
MISO Stakeholders Split on Seasonal RA Measures
Stakeholders are divided on whether MISO has conducted enough analysis to justify adopting seasonal capacity auctions and loss-of-load expectation studies.
$10M Deal Reached over MISO, PJM Pseudo-tie Fees
Five generators struck a $10M settlement with MISO and PJM over the RTOs’ past practice of double-charging pseudo-tied generation for congestion fees.

Want more? Advanced Search