rooftop solar

Swedish furniture manufacturer IKEA has released its 2011 Sustainability Report, which reaffirms the company's status as a global leader in the increasingly important area of corporate sustainability.

According to a report soon to be published in Solar Energy, the official journal of the International Solar Energy Society, solar photovoltaic (PV) panels on roofs are also doing a surprisingly good, if unexpected, job of keeping houses and buildings cooler in summer and warmer in winter.

NRG Energy Inc. (NYSE: NRG) and its partners Prologis (NYSE: PLD) and Bank of America Corporation (NYSE: BAC) have been awarded a loan guarantee from the United States Department of Energy to build the largest rooftop solar project in the world.

On October 13, word leaked out that Macy’s fulfillment center in Goodyear, Arizona was getting a solar power system – one that company representatives described as “the biggest single-rooftop system in the United St

A paper on rooftop solar photovoltaic (PV) capacity and market penetration in the U.S., written by three National Renewable Energy Laboratory colleagues (Easan Drury, Paul Denholm and Robert Margolis), shows that fully 1 gigawatt (GW) of the world’s 15 gigawatts of solar PV was installed in the U.S. alone by December of 2009.

For many, Michigan has become the poster-child of the United States' economic woes. 

However, evidence shows that stigma might be changing.  The best example of this change is the Dow Chemical Company's recent announcement that it will invest US$1 billion in clean energy projects in Michigan.

Computer giant, Intel Corporation (Nasdaq:INTC) is starting a company-wide solar initiative in an effort to make its operations more energy efficient.