| BKH 0001130464 | |||
|---|---|---|---|
| Filing Date | Form Type | Description | Document |
| 2017-03-16 | DEF 14A | BHC 2017 PROXY | View Document |
| 2017-03-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-03-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-27 | 10-K | 10-K | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 5 | PRIMARY DOCUMENT | View Document |
| 2017-02-14 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-10 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-10 | SC 13G/A | View Document | |
| 2017-02-09 | SC 13G | BLACK HILLS CORPORATION | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-07 | 3 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-03 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-02-02 | 8-K | 8-K | View Document |
| 2017-01-31 | 8-K | OFFICER CHANGE 013017 8-K | View Document |
| 2017-01-12 | SC 13G/A | View Document | |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 4 | PRIMARY DOCUMENT | View Document |
| 2017-01-06 | 3 | PRIMARY DOCUMENT | View Document |
| 2016-12-21 | 8-K | 8-K PECHOTA 121516 | View Document |
| 2016-12-15 | 8-K | 121416 NEW DIRECTOR | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-12-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-16 | 8-K | 8-K CIC AGREEMENT 111516 | View Document |
| 2016-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-11-04 | 10-Q | 10-Q | View Document |
| 2016-11-03 | 8-K | 8-K | View Document |
| 2016-10-14 | UPLOAD | View Document | |
| 2016-10-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-10-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-10-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-10-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-10-07 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-10-07 | CORRESP | View Document | |
| 2016-09-23 | UPLOAD | View Document | |
| 2016-09-07 | 3 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-09-02 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-19 | 8-K | 8-K | View Document |
| 2016-08-16 | 8-K | 8-K | View Document |
| 2016-08-11 | 424B2 | FINAL PROSPECTUS SUPPLEMENT DATED AUGUST 10, 2016 (SENIOR UNSECURED NOTES) | View Document |
| 2016-08-10 | FWP | FWP | View Document |
| 2016-08-10 | 424B5 | PRELIMINARY PROSPECTUS SUPPLEMENT DATED AUGUST 10, 2016 (SENIOR UNSECURED NOTES) | View Document |
| 2016-08-10 | 8-K | 8-K | View Document |
| 2016-08-05 | 10-Q | 10-Q | View Document |
| 2016-08-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-04 | 4 | PRIMARY DOCUMENT | View Document |
| 2016-08-04 | 8-K | 8-K | View Document |
