NRG Acquires Roof Diagnostics Solar (RDS); Terms Undisclosed By: Benzinga via Benzinga March 27, 2014 at 08:05 AM EDT NRG Energy, Inc. (NYSE: NRG) has acquired one of the nation's leading residential solar companies, Roof Diagnostics Solar (RDS), to ... Read More >> Related Stocks: Macy's NRG Energy RES. MIN. RADISS