SolarWorld Corp. solar panels stand at the Heartland Power Cooperative solar array in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the U.S., serves 5,200 members in northeast Iowa. The solar project will be comprised of 2,706 315-watt solar panels made by SolarWorld Corp., capable of generating approximately 852 kW of electricity. Photographer: Daniel Acker/Bloomberg
SolarWorld Corp. solar panels stand at the Heartland Power Cooperative solar array in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the U.S., serves 5,200 members in northeast Iowa. The solar project will be comprised of 2,706 315-watt solar panels made by SolarWorld Corp., capable of generating approximately 852 kW of electricity. Photographer: Daniel Acker/Bloomberg Daniel Acker Bloomberg
SolarWorld Corp. solar panels stand at the Heartland Power Cooperative solar array in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the U.S., serves 5,200 members in northeast Iowa. The solar project will be comprised of 2,706 315-watt solar panels made by SolarWorld Corp., capable of generating approximately 852 kW of electricity. Photographer: Daniel Acker/Bloomberg Daniel Acker Bloomberg

Duke Energy seeks 50 megawatts of N.C. solar

February 17, 2015 11:30 AM