Illinois officials last week offered a list of options for keeping Exelon’s nuclear plants running, including a carbon tax and a cap-and-trade program.

News briefs on companies doing business with RTOs. This week we include Xcel, PSEG, Entergy, UGI, AEP, FirstEnergy and Duke.

MISO and three power suppliers have asked FERC to deny Duke’s request for a waiver from MISO’s must-offer requirement.

Twin Cities Power will pay $3.5 million for manipulating energy prices in MISO under a settlement approved by FERC last week.

Entergy powered down the Vermont Yankee nuclear station for the final time last week, leaving ISO-NE even more dependent on natural gas.

AES will sell up to 30% of Indianapolis Power & Light to raise capital for environmental upgrades on its coal-fired generation fleet.

PSEG Nuclear last week called on PJM to prevent planners from using what the company said is unproven technology in the stability fix for Artificial Island.

AEP went before PUCO in a rare oral argument to support its request for a power purchase agreement for the Kyger Creek power plant.

NC WARN asked FERC to force Duke and other utilities in the Southeast to form a RTO to share power reserves, rather than keep building new plants and boosting prices to pay for them.

New York regulators have doubled the cap on the amount of solar energy the state’s utilities are required to purchase under its net metering program.