The U.S. DOE has selected the Alliance for Sustainable Energy LLC to be the next management contractor for the National Renewable Energy Laboratory in Golden, Colo. The five-year contract contains an option to extend the agreement an additional five years, and included a 60-day transition period, which began July 29. The alliance took over full management responsibilities Sept. 30. The new management entity consists of two nonprofit organizations: the Midwest Research Institute and Battelle. The Midwest Research Institute formerly managed NREL.