Fluor Corp.

Fluor Corporation, the nation's largest publicly traded engineering and construction company, said this week that it has been selected by a subsidiary of electricity generator LS Power Group to build a 125-megawatt solar plant in Arizona. Fluor was also awarded a separate contract for ongoing operations and maintenance.

The Hawaii Public Utilities Commission said June 15 it had approved a 20-year contract for Maui Electric Company to purchase 21 megawatts (MW) of wind power from Sempra Generation’s Auwahi Wind project on the Ulupalakua Ranch in southeastern Maui. The approval also included a determination that Maui Electric could build an above-ground transmission connection to its main local grid line.

Duke Energy Corporation (NYSE: DUK) said today it has chosen a 36 megawatt (MW) battery system developed by Xtreme Power Inc. to store and manage power generated at Duke’s 153 MW Notrees Windpower Project in west Texas. The company said the storage system will be one of the largest of its kind in the world and will be operating by late 2012.