| Hearing Schedule | |||||
| Appellant | Respondent | Case Number | Hearing Date | Type | County |
| Virginia Apts, LLLP | DOR | PT-2024-29 and 30 | 5/29/2025 - 9:00 A.M. | PT | Butte-Silver Bow |
| Smythe Family, LLLP | DOR | PT-2024-31, 32 and 33 | 5/29/2025 - 9:00 A.M. | PT | Butte-Silver Bow |
| The Little Store, LLC | DOR | IT-2025-9 | 6/24/2025 - 1:00 P.M. | IT | |
| Montana Renewables, LLC | DEQ | SPT-2024-39 | 8/5-8/7/2025 - 9:00 A.M. | SPT | |
| Ash Grove Cement Company | DOR | SPT-2024-86 | 8/12-8/14/2025 - 9:00 A.M. | SPT | |
| Billings Generation | DOR | IT-2024-41 | 10/7-10/9/2025 - 9:00 A.M. | IT | |
| Owen H. Orndorff | DOR | IT-2024-52 | 10/7-10/9/2025 - 9:00 A.M. | IT | |
| Robert L. Roberts | DOR | IT-2024-53 | 10/7-10/9/2025 - 9:00 A.M. | IT | |
| Jeffrey L. Smith | DOR | IT-2024-54 | 10/7-10/9/2025 - 9:00 A.M. | IT | |
| DOR | Phillips 66 Company | SPT-2025-10 | 1/12-1/15/2026 - 9:00 A.M. | SPT | Yellowstone |
| Calumet Montana Refining LLC | DOR | SPT-2023-25 | 5/4-5/15/2026 - 9:00 A.M. | SPT | Cascade |
| Calumet Montana Refining LLC | DOR | SPT-2024-50 | 5/4-5/15/2026 - 9:00 A.M. | SPT | Cascade |
| Calumet Montana Refining LLC | DOR | SPT-2024-80 | 5/4-5/15/2026 - 9:00 A.M. | SPT | Cascade |