MISO will start evaluating its South region for long-term transmission needs in 2026, beginning with Louisiana, the RTO announced before its Board of Directors.

MISO’s Independent Market Monitor said the recently uncovered, eight-year-old repeat error in the RTO’s capacity market that caused a $280 million impact in this year’s auction alone is unfortunate but insisted the resulting prices were efficient.

Texas regulators have approved Entergy Texas’ request to build two natural gas-powered units in MISO’s portion of the state, but they have limited the construction costs eligible for recovery to a combined $2.4 billion.

Ameren Illinois remains adamant that it should have exclusive access to construct nearly $2 billion of MISO regional transmission projects in the state without competition.

MISO and several stakeholders came to the defense of the RTO’s $21.8 billion, 24-project long-range transmission plan portfolio for the Midwest as five Republican states seek to repeal the projects’ approval.

MISO said a yearslong software error caused it to clear more capacity than intended in past capacity auctions and which has resulted in an approximate $280 million impact to market participants in this year’s auction.

An apparently routine rate incentive request from a MISO transmission developer who has yet to be assigned a project turned into a debate between FERC commissioners over capital structures in ratemaking.

After years of looking for a buyer, Consumers Energy announced it struck a $13 deal to sell its fleet of 13 hydroelectric dams in Michigan to a Bethesda, Md., private equity firm.

The cost estimate for MISO’s 2025 Transmission Expansion Plan has fallen slightly from previous estimates to $12.36 billion.

MISO has assembled the 10 generation finalists to enter its first interconnection queue fast track. The list includes five natural gas proposals, three solar farms, one wind farm and a battery storage facility.