| 2026-08-17 | 8-K | 8-K filed 2026-08-17 by BLACK HILLS CORP /SD/ |
| 2026-08-06 | 10-Q | 10-Q filed 2026-08-06 by BLACK HILLS CORP /SD/ |
| 2026-08-05 | 8-K | 8-K filed 2026-08-05 by BLACK HILLS CORP /SD/ |
| 2026-05-15 | 8-K | 8-K filed 2026-05-15 by BLACK HILLS CORP /SD/ |
| 2026-05-07 | 10-Q | 10-Q filed 2026-05-07 by BLACK HILLS CORP /SD/ |
| 2026-05-06 | 8-K | 8-K filed 2026-05-06 by BLACK HILLS CORP /SD/ |
| 2026-05-01 | 8-K | 8-K filed 2026-05-01 by BLACK HILLS CORP /SD/ |
| 2026-04-02 | 8-K | 8-K filed 2026-04-02 by BLACK HILLS CORP /SD/ |
| 2026-03-18 | DEF 14A | DEF 14A filed 2026-03-18 by BLACK HILLS CORP /SD/ |
| 2026-02-19 | 8-K | 8-K filed 2026-02-19 by BLACK HILLS CORP /SD/ |
| 2026-02-11 | 10-K | 10-K filed 2026-02-11 by BLACK HILLS CORP /SD/ |
| 2026-02-04 | 8-K | 8-K filed 2026-02-04 by BLACK HILLS CORP /SD/ |
| 2025-11-06 | 10-Q | 10-Q filed 2025-11-06 by BLACK HILLS CORP /SD/ |
| 2025-11-05 | 8-K | 8-K filed 2025-11-05 by BLACK HILLS CORP /SD/ |
| 2025-10-02 | 8-K | 8-K filed 2025-10-02 by BLACK HILLS CORP /SD/ |
| 2025-09-29 | 8-K | 8-K filed 2025-09-29 by BLACK HILLS CORP /SD/ |
| 2025-09-15 | 8-K | 8-K filed 2025-09-15 by BLACK HILLS CORP /SD/ |
| 2025-08-19 | 8-K | 8-K filed 2025-08-19 by BLACK HILLS CORP /SD/ |
| 2025-07-31 | 10-Q | 10-Q filed 2025-07-31 by BLACK HILLS CORP /SD/ |
| 2025-07-30 | 8-K | 8-K filed 2025-07-30 by BLACK HILLS CORP /SD/ |
| 2025-05-08 | 8-K | 8-K filed 2025-05-08 by BLACK HILLS CORP /SD/ |
| 2025-05-08 | 8-K | 8-K filed 2025-05-08 by BLACK HILLS CORP /SD/ |
| 2025-05-08 | 10-Q | 10-Q filed 2025-05-08 by BLACK HILLS CORP /SD/ |
| 2025-04-25 | 8-K | 8-K filed 2025-04-25 by BLACK HILLS CORP /SD/ |
| 2025-03-14 | DEF 14A | DEF 14A filed 2025-03-14 by BLACK HILLS CORP /SD/ |
| 2025-02-12 | 10-K | 10-K filed 2025-02-12 by BLACK HILLS CORP /SD/ |
| 2025-02-07 | 8-K | 8-K filed 2025-02-07 by BLACK HILLS CORP /SD/ |
| 2025-02-05 | 8-K | 8-K filed 2025-02-05 by BLACK HILLS CORP /SD/ |
| 2024-11-07 | 10-Q | 10-Q filed 2024-11-07 by BLACK HILLS CORP /SD/ |
| 2024-11-06 | 8-K | 8-K filed 2024-11-06 by BLACK HILLS CORP /SD/ |