An analysis by grid operator PJM considers losses if Ohio nuclear subsidies deter new generation.
A task force will spend 18 months studying how to factor state carbon policies into the wholesale electricity market.
Critics want a state energy agency to take over capacity procurement for the regional grid operator.
Wind and solar generation on the nation’s largest regional electric grid lags other parts of the country.
A day after Exelon Corp. CEO Chris Crane had a White House meeting with President Trump, a pair of Illinois Republicans are seeking their own sit-down with the utility executive to discuss what has become a familiar subject in the Land of Lincoln — struggling nuclear plants.