Dahlton Felix, a Dragonfly Solar contractor, climbs down a ladder after securing a solar panel during construction of a solar array for Heartland Power Cooperative in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the United States, 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
Dragonfly Solar contractors prepare to mount a solar panel during construction of a solar array for Heartland Power Cooperative in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the United States, 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
Aaron Anderson, a contractor with Dragonfly Solar, secures a solar panel during construction of a solar array for Heartland Power Cooperative in St. Ansgar, Iowa, U.S., on Friday, Jan. 23, 2015. Heartland Power Cooperative, one of over 900 electric cooperatives in the United States, 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 *** Local Caption *** Aaron Anderson
