SunPower Plans 3.5-Megawatt Solar System for Macy’s Arizona Fulfillment Center

SunPower Corp. today announced that construction is underway on a 3.5-megawatt SunPower solar power system at Macy’s, Inc. online fulfillment center in Goodyear, Ariz. The system will deliver the equivalent of 70 percent of the 600,000-square-foot building’s electricity demand, and is expected to be the largest solar system on a single rooftop in the U.S. when it is completed in March of 2011.