The Carlyle Group-backed Cogentrix Energy Power Management, an independent power producer and power generation asset manager, completed the acquisition of Altura Cogen, a 600 MW cogen facility that provides steam and electricity to Lyondell Chemical Company. Financial terms were not disclosed. "The acquisition is an excellent addition to the Cogentrix fleet, serving as a gateway to expand our footprint into the ERCOT market," John Ragan, Cogentrix CEO.