Exhibit 2.4 NRG ENERGY, INC. 1221 NICOLLET MALL, SUITE 700 MINNEAPOLIS, MN 55403 As of April 26, 1996 O'Brien Environmental Energy, Inc. 225 South 8th Street Philadelphia, PA 19106 Dear Sirs: This will confirm the understanding and agreement between...Amended and Restated Stock Purchase and Reorganization Agreement • November 17th, 1997 • NRG Generating U S Inc • Cogeneration services & small power producers
