| Notice Type | Notice Sub-Type | Post Date/Time | Notice Effective Date/Time | Notice End Date/Time | Notice ID | Subject |
| 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 |
| Critical notice | MAINTENANCE | 12/22/2025 5:57:30 PM | 12/22/2025 5:57:30 PM | 12/31/9000 | 13270 |
EAST CHEYENNE GAS STORAGE MAINTENANCE SCHEDULE FOR JANUARY 2026 |
| Critical notice | MAINTENANCE | 12/22/2025 4:44:17 PM | 12/22/2025 4:44:17 PM | 12/31/9000 | 13258 |
PRELIMINARY ECGS 2026 MAINTENANCE SCHEDULE UPDATED DECEMBER 2025 |
| Critical notice | FORCE MAJEURE | 12/10/2025 6:37:16 PM | 12/10/2025 6:37:16 PM | 12/31/9000 | 13224 |
EAST CHEYENNE GAS STORAGE - FORCE MAJEURE - LIFTED |
| Critical notice | FORCE MAJEURE | 12/10/2025 9:11:22 AM | 12/10/2025 9:11:22 AM | 12/31/9000 | 13220 |
EAST CHEYENNE GAS STORAGE - FORCE MAJEURE - UPDATE #3 |
| Critical notice | FORCE MAJEURE | 12/9/2025 11:08:14 AM | 12/9/2025 11:08:14 AM | 12/31/9000 | 13216 |
EAST CHEYENNE GAS STORAGE - FORCE MAJEURE - UPDATE #2 |
| Critical notice | FORCE MAJEURE | 12/8/2025 8:47:02 AM | 12/8/2025 8:47:02 AM | 12/31/9000 | 13206 |
EAST CHEYENNE GAS STORAGE - FORCE MAJEURE - UPDATE #1 |
| Critical notice | FORCE MAJEURE | 12/5/2025 6:16:45 PM | 12/5/2025 6:16:45 PM | 12/31/9000 | 13204 |
EAST CHEYENNE GAS STORAGE - FORCE MAJEURE |