Non-Regulated Energy
Utilities

Black Hills Corporation Subsidiaries

Our subsidiaries are classified with two major business groups – Non-regulated Energy and Utilities.

Non-regulated Energy

• Black Hills Non-regulated Holdings, LLC (“Black Hills Non-regulated Holdings”)
• Black Hills Electric Generation, LLC (“Black Hills Electric Generation”)
• Black Hills Exploration and Production, Inc. (“Black Hills Exploration & Production”)
• Enserco Energy Inc. (“Enserco Energy”)
• Wyodak Resources Development Corp. (“Wyodak”)

Utilities

• Black Hills Power, Inc. (“Black Hills Power”)
• Black Hills Utility Holdings, Inc. (“Black Hills Utility Holdings”)
  • Black Hills/Colorado Electric Utility Company, LP
    (“Colorado Electric”) d/b/a Black Hills Energy
  • Black Hills/Colorado Gas Utility Company, LP
    (“Colorado Natural Gas”) d/b/a Black Hills Energy
  • Black Hills/Iowa Gas Utility Company, LLC
    (“Iowa Natural Gas”) d/b/a Black Hills Energy
  • Black Hills/Kansas Gas Utility Company, LLC
    (“Kansas Natural Gas”) d/b/a Black Hills Energy
  • Black Hills/Nebraska Gas Utility Company, LLC
    (“Nebraska Natural Gas”) d/b/a Black Hills Energy
• Cheyenne Light, Fuel and Power Company ("Cheyenne Light, Fuel & Power" or “Cheyenne Light”)