| Notice Type | Notice Sub-Type | Post Date/Time | Notice Effective Date/Time | Notice End Date/Time | Notice ID | Subject |
| Critical notice | MAINTENANCE | 3/24/2026 6:25:16 PM | 3/24/2026 6:25:16 PM | 12/31/9000 | 13581 |
EAST CHEYENNE GAS STORAGE MAINTENANCE SCHEDULE FOR APRIL 2026 |
| Critical notice | MAINTENANCE | 3/24/2026 12:00:59 PM | 3/24/2026 12:00:59 PM | 12/31/9000 | 13564 |
PRELIMINARY ECGS 2026 MAINTENANCE SCHEDULE UPDATED MARCH 2026 |
| Critical notice | COMPUTER SYSTEM STATUS | 2/26/2026 9:35:19 AM | 2/26/2026 9:35:19 AM | 12/31/9000 | 13488 |
Tallgrass Gas Management System Now Operational |
| Critical notice | MAINTENANCE | 2/20/2026 5:02:23 PM | 2/20/2026 5:02:23 PM | 12/31/9000 | 13459 |
EAST CHEYENNE GAS STORAGE MAINTENANCE SCHEDULE FOR MARCH 2026 |
| Critical notice | MAINTENANCE | 2/19/2026 12:24:19 PM | 2/19/2026 12:24:19 PM | 12/31/9000 | 13445 |
PRELIMINARY ECGS 2026 MAINTENANCE SCHEDULE UPDATED FEBRUARY 2026 |
| Critical notice | MAINTENANCE | 1/26/2026 8:44:13 AM | 1/26/2026 8:44:13 AM | 12/31/9000 | 13374 |
EAST CHEYENNE GAS STORAGE MAINTENANCE SCHEDULE FOR FEBRUARY 2026 |
| Critical notice | MAINTENANCE | 1/19/2026 8:36:46 AM | 1/19/2026 8:36:46 AM | 12/31/9000 | 13334 |
PRELIMINARY ECGS 2026 MAINTENANCE SCHEDULE UPDATED JANUARY 2026 |