PUEBLO, Colo., Dec. 22, 2011 /PRNewswire/ -- Black Hills Corp.

PUEBLO, Colo., Dec. 21, 2011 /PRNewswire/ -- Black Hills Corp.

PUEBLO, Colo., Dec. 16, 2011 /PRNewswire/ -- Black Hills Corp.

WEST DES MOINES, Iowa, Aug. 15, 2011 /PRNewswire/ -- Black Hills Energy - Iowa Gas has received a 2011 ENERGY STAR® Leadership in Housing Award from the U.S. Environmental Protection Agency.

PUEBLO, Colo., Aug. 15, 2011 /PRNewswire/ -- Black Hills Corp. (NYSE: BKH) utility subsidiary Black Hills Energy - Colorado Electric today issued a request for proposals for 50 percent ownership in Black Hills Energy's 29 megawatt wind project, to be located in Huerfano County, Colo.