Atlanta, GA (November 19, 2007) - Black Hills Corporation is a medium sized diversified energy company focused in the West.  It has regulated retail Black Hills Power and Cheyenne Light, Fuel, and Power.  Black Hills Energy conducts non-regulated power generation, coal mining, and natural gas and oil production. 
Black Hills is in the process of acquiring Aquila's gas operations in Colorado, Kansas, Nebraska, and Iowa, and their electric operations in Colorado.

About PowerPlan Consultants:
PowerPlan Consultants, Inc. provides integrated project, asset, depreciation, and tax management systems for asset intensive industries and companies. Powerplan's services cover the full spectrum of consulting and support required to implement an efficient workflow process encompassing a completely automated project and fixed asset accounting methodology.

Learn more about PowerPlan by visiting http://www.powerplan.com.

For more information contact:

Jim Heslin
770-618-2272