| Filed On | Filing |
|---|---|
| 02 Feb 2021 | 15-15D/A |
| 01 Feb 2021 | 15-15D |
| 03 Nov 2020 | 10-Q |
| 05 Aug 2020 | 10-Q |
| 05 May 2020 | 10-Q |
| 18 Feb 2020 | 10-K |
| 05 Nov 2019 | 10-Q |
| 06 Aug 2019 | 10-Q |
| 03 May 2019 | 10-Q |
| 21 Feb 2019 | 10-K |
| 07 Nov 2018 | 10-Q |
| 07 Aug 2018 | 10-Q |
| 04 May 2018 | 10-Q |
| 27 Feb 2018 | 10-K |
| 12 Feb 2018 | BLACK HILLS POWER, INC. |
| 05 Feb 2018 | 8-K: Amendments to Articles/Bylaws; Change in Fiscal Year |
| 06 Nov 2017 | 10-Q |
| 08 Aug 2017 | 10-Q |
| 08 May 2017 | 10-Q |
| 01 Mar 2017 | 10-K |
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