- 2021-08-02 - BHE 2022 System Safety & Intergrity Rider (SSIR) Application
- 2021-08-12 - Hearing Officer order granting formal intervention of Public Advocate
- 2021-09-13 - Hearing Officer order setting the procedural schedule and notice of hearing for Nov. 17th
- 2021-10-29 - Public Advocate Report
- 2021-11-03 - Public Advocate Supplemental Report
- 2021-11-05 - Black Hills Nebraska Gas, LLC Response to PA Report
- 2022-03-01 - BHE 2021 Surveillance Report
- 2022-04-04 - PA Review of Surveillance Report
- 2022-04-15 - BHE Response to PA Review of Surveillance Report
BHE System Safety & Integrity Rider (SSIR) - NG-112.1
