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Interconnection compliance


The documents and information provided are required by the Interconnection Rules of the Colorado Public Utilities Commission at 4 CCR 723-3-3850 et seq., as may be amended from time to time, and in part, the provisions of Colorado Senate Bill 21-261.

Informal Pre-Application request

For more information, please contact Black Hills Energy’s Colorado Renewable Energy Department at or by phone at 719-546-6463.

Formal Pre-Application requests

Please complete the below application and submit to Black Hills Energy at Upon receipt of your application, you will be invoiced for the Pre-Application fee of $250.

New fees for Interconnection Service, including Meter Collar Adapters, effective January 18, 2022

Application description Fee amount
Pre-application $250
Level one $380
Level two $760
Level three $760


You may contact Black Hills Energy at with questions or call 888-890-5554.

Interconnection process

  1. Solar developer submits application via the online application portal.
  2. Black Hills Energy begins review of submitted appliaction. Approval or denial of interconnection application is based on suppplemental documentation review and expected energy consumption.
  3. Are meter collar capacity limits exceeded? Does the meter collar adapter meet all interconnection manual specifications? 
    1. Approved UL-listed meter collar adapters
  4. Engineering team begins level two review process. This review is only necessary for projects over 25 kW. Approval or denial of interconnection application is based on review completion. 
  5. Solar developer receives interconnection documents and begins project construction.
  6. Upon project completion, the solar developer submits final documentation for review via the application portal.
  7. Black Hills Energy reviews submitted final documentation and requests meter exchange.
  8. Meter Department completes meter exchange and conducts system test.
  9. Solar system is online and operational. 

Download Interconnection process (PDF).