PRINCETON, N.J.--(BUSINESS WIRE)-- NRG Energy, Inc. (NRG) today announced the next phase of the 2015 Capital Allocation Plan with authorization to repurchase $251 million of its common stock, comprised of $51 million remaining from the previously announced share repurchase program and an additional $200 million. The authorization will be implemented through a 10b5-1 trading plan immediately. The purchase of common stock will be made using cash on hand and may be made from time to time as market conditions warrant and subject to regulatory considerations. This action does not foreclose the possibility of further or different capital allocation actions in the future. About NRG NRG is leading a customer-driven change in the U.S. energy industry by delivering cleaner and smarter energy... More