The moves were part of a reorganization and renewed focus on conventional power generation in an effort to regain investor confidence by improving the company’s near-term financial performance.

NRG is the largest US independent power producer. NRG fell 6.2% to $17.98 in New York, near its 52-week low.

NRG has been the worst performing member of the S&P 500 Utilities Index this year, down 31.3%.