In addition to improving the environmental profile of USG’s Plaster City plant, the project is expected to save the company more than $1MM over the 20-year life of the project through lowered electricity costs.About USG USG Corporation is a manufacturer and distributor of innovative, high-performance building systems through its United States Gypsum Company, USG Interiors, LLC, L&W Supply Corporation and other subsidiaries. Headquartered in Chicago, USG Worldwide operations serve the commercial, residential, and repair and remodel construction markets, enabling our customers to build the outstanding spaces where people live, work and play. USG wall, ceiling, exterior sheathing, flooring underlayment and roofing systems provide leading-edge building solutions, while L&W Supply branch locations efficiently stock and deliver building materials throughout the United States. USG and its subsidiaries are proud sponsors of the U.S. Olympic and Paralympic teams and the Canadian Olympic team. For additional information, visit www.usg.com. About GLEC Green Light Energy Corp, is a California-based developer and owner of small and utility-scale renewable energy generation and infrastructure development projects. For additional information, visit the GLEC website at www.glenergycorp.com. About ZGlobal ZGlobal, Inc. is a full service energy-engineering firm that is focused on providing technical and commercial expertise for cost-effective generation and transmission projects designed to meet the challenges of the twenty first century. For additional information about ZGlobal, Inc., visit the ZGlobal website at www.zglobal.biz.