Black Hills Corporation is a South Dakota-based utility company operating Electric Utilities and Gas Utilities segments. It serves approximately 227,000 electric customers in Colorado, Montana, South Dakota, and Wyoming, owning 1,386 MW of generation and 9,478 miles of lines. It also serves approximately 1,138,000 natural gas customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming, operating 44,840 miles of gas distribution mains, pipelines, storage sites, and gathering lines.
Q2 FY2026 — expected 2026-09-21
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-02-11 | 2025-12-31 | 0001193125-26-046028 | EDGAR | 81K words |
| 2025-02-12 | 2024-12-31 | 0000950170-25-018647 | EDGAR | 73K words |
| 2024-02-14 | 2023-12-31 | 0000950170-24-015090 | EDGAR | 74K words |
| 2023-02-14 | 2022-12-31 | 0000950170-23-002759 | EDGAR | — |
| 2022-02-15 | 2021-12-31 | 0001130464-22-000004 | EDGAR | — |
| 2021-02-26 | 2020-12-31 | 0001130464-21-000007 | EDGAR | — |
| 2020-02-14 | 2019-12-31 | 0001130464-20-000006 | EDGAR | — |
| 2019-02-19 | 2018-12-31 | 0001130464-19-000012 | EDGAR | — |
| 2018-02-26 | 2017-12-31 | 0001130464-18-000014 | EDGAR | — |
| 2017-02-27 | 2016-12-31 | 0001130464-17-000010 | EDGAR | — |
| Filed | Period | Accession | Source | Full Text |
|---|---|---|---|---|
| 2026-08-06 | 2026-06-30 | 0001193125-26-337444 | EDGAR | 31K words |
| 2025-11-06 | 2025-09-30 | 0001193125-25-268567 | EDGAR | 39K words |
| 2025-07-31 | 2025-06-30 | 0000950170-25-100667 | EDGAR | 32K words |
| 2025-05-08 | 2025-03-31 | 0000950170-25-066572 | EDGAR | 24K words |
| 2024-11-07 | 2024-09-30 | 0000950170-24-122969 | EDGAR | 30K words |
| 2024-08-01 | 2024-06-30 | 0000950170-24-089042 | EDGAR | 29K words |
| 2024-05-09 | 2024-03-31 | 0000950170-24-056459 | EDGAR | 22K words |
| 2023-11-02 | 2023-09-30 | 0000950170-23-057904 | EDGAR | — |
| 2023-08-03 | 2023-06-30 | 0000950170-23-037718 | EDGAR | — |
| 2023-05-04 | 2023-03-31 | 0000950170-23-017598 | EDGAR | — |
| 2022-11-03 | 2022-09-30 | 0001130464-22-000029 | EDGAR | — |
| 2022-08-04 | 2022-06-30 | 0001130464-22-000021 | EDGAR | — |
| Filed | Accession | Source | Full Text |
|---|---|---|---|
| 2026-08-17 | 0001193125-26-354167 | EDGAR | 11K words |
| 2026-08-05 | 0001193125-26-335259 | EDGAR | 8K words |
| 2026-04-02 | 0001193125-26-140217 | EDGAR | 1K words |
| 2026-02-19 | 0001193125-26-059379 | EDGAR | 30K words |
| 2026-02-04 | 0001193125-26-037663 | EDGAR | 9K words |
| 2025-11-05 | 0001193125-25-267138 | EDGAR | 9K words |
| 2025-10-02 | 0001104659-25-096060 | EDGAR | 10K words |
| 2025-09-29 | 0001104659-25-094481 | EDGAR | 13K words |
| 2025-09-15 | 0001193125-25-203783 | EDGAR | 33K words |
| 2025-08-19 | 0001104659-25-080276 | EDGAR | 4K words |
172 total filings indexed. 140 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR
| CIK | 0001130464 |
| Ticker | BKH |
| Exchange | NYSE |
| SIC | 4911: Electric Services |
| Incorporated | SD |
| Headquarters | Rapid City, South Dakota |
| Website | https://www.blackhillscorp.com |
| Listed | 1972-06-01 |
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