After more than two years, Ameren Missouri has not yet delivered suitable redress for more than a decade’s worth of Clean Air Act violations via its Rush Island coal plant.

February held no operational surprises, MISO reported in a monthly market review.

MISO has selected Ameren Transmission Co. of Illinois to build a third transmission project stemming from the RTO's long-range transmission portfolio.

With FERC’s blessing, MISO will synchronize its generator replacement process with its generation suspension and retirement process to give interconnection customers more flexibility.

MISO says it’s making steady progress on having a new market platform installed completely by the end of next year and will debut a new day-ahead market clearing engine this spring.

The nonprofit Gulf Coast Power Association has selected Customized Energy Solutions' Barbara Clemenhagen as its next executive director.

MISO and PJM are deliberating whether to embark on an interregional transmission study this year as they field more calls from stakeholders to revamp their joint planning framework.

In what’s beginning to feel like déjà vu, Cardinal Hickory Creek’s last unconstructed mile is again subject to a preliminary injunction.

FERC upheld its May 2023 order reinstituting de-pancaking provisions in LG&E/KU’s transmission rates, now the subject of a challenge before the D.C. Circuit.  

Entergy will pay its Arkansas affiliate $142.3 million in the latest settlement in the ongoing billing disputes over the utility’s Grand Gulf Nuclear Station.