National News

Energy chief Chu calls for PTC extension in Colorado

U.S. Energy Secretary Steven Chu, in Denver for the World Renewable Energy Forum, called on Congress to extend tax credits that bolster the nation’s alternative energy industry.

Greenskies putting solar on 27 Mass. Walmarts

Greenskies Renewable Energy LLC has been tasked with providing crystalline solar panels to more than half of Walmart’s Massachusetts stores.

International Paper sets sustainability goals

International Paper Co. has set a group of voluntary goals that it hopes will help the company become more sustainable by 2020.

GSA taps IBM for smart building program

The General Services Administration has awarded IBM Corp. a one-year contract to develop a system to monitor how much energy the government's buildings use nationwide, Federal News Radio reported.

Silicon Energy adds cheaper line of solar panels

For people who can’t afford Silicon Energy LLC’s high-priced Cascade solar panels, the Marysville, Wash., company is now offering a cheaper-but-made-in-U.S. alternative: panels from Motech Americas, made in Delaware.