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| TSP/TSP Name: 8001703-EL PASO NATURAL GAS CO. L.L.C. | Critical: Y |
| Notice Type Desc (1): MAINTENANCE | Notice Type Desc (2): MAINTENANCE |
| Notice Eff Date/Time: 09/03/2025 1:10:17PM | Notice End Date/Time: 09/04/2025 9:00:00am |
| Post Date/Time: 9/3/2025 1:10:17 PM | Notice ID: 626021 |
| Reqrd Rsp: 5 | Rsp Date: |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Update #1 L2000 and L20118 Hydrotest |
Line No. 2000 and Line No. 20118 Hydrotest and Pipeline Maintenance – Wenden to Ehrenberg – Update #1
El Paso Natural Gas Company, L.L.C. (EPNG) is providing this update to the PHMSA required class changes of Line No. 2000 and Line No. 20118 in the Ehrenberg area (Reference Critical Notice No. 625908).
The class change of Line No. 2000 and the associated hydrotest has been postponed. The class change of Line No. 20118 will continue as planned. As such, the project duration will be shortened from the estimated 4 to 6 weeks down to 1 week with completion anticipated the week of September 22.
The capacity impact of the Line No. 20118 class change will remain as originally posted to September's Monthly Maintenance (Reference Critical Notice No. 625958) and is summarized below:
Beginning on Gas Day 9/16/2025, the following scheduling constraints will be limited to these net capacities:
WENDWST: 655,305 dekatherms per day (Dth/d)
EHRENBRG: 657,550 dekatherms per day (Dth/d)
Additionally, during this maintenance, Line 1903 will not be able to deliver to the South Mainline of the EPNG system. As such, a new segment constraint (CADEHR) will be posted at the end of segment 3060, set to 0 dekatherms per day (Dth/d) capacity to limit flow from Line 1903 to the South Mainline.
The following delivery volumes will be sourced through the EHRENBRG constraint with a combined limit of 657,550 dekatherms per day (Dth/d):
DSCALEHR (301016)
IBLYTHE (314980)
The INORBAJA (301693) location will be isolated to Line 1903 and sourced exclusively from Line 1903. As this location will be sourced directly from Line 1903, it will not be subject to the new CADEHR constraint. The Line 1903 CADIZSOU capacity 511,000 dekatherms per day (Dth/d).
Shippers are encouraged to continue using their primary path entitlements to schedule deliveries, as the pipeline will optimize the re-routing of gas as much as possible to accommodate firm primary priority transactions. However, as North Baja will be unable to receive flow from the South Mainline, Permian receipts to North Baja may be very limited. Alternate sources of supply from outside the Permian to North Baja are recommended. Please refer to the September Maintenance Posting for specific dates.
| TSP/TSP Name: 8001703-EL PASO NATURAL GAS CO. L.L.C. | Critical: Y |
| Notice Type Desc (1): MAINTENANCE | Notice Type Desc (2): MAINTENANCE |
| Notice Eff Date/Time: 09/03/2025 1:10:17PM | Notice End Date/Time: 09/04/2025 9:00:00am |
| Post Date/Time: 9/3/2025 1:10:17 PM | Notice ID: 626021 |
| Reqrd Rsp: 5 | Rsp Date: |
| Notice Stat Desc: INITIATE | Prior Notice: |
| Subject: Update #1 L2000 and L20118 Hydrotest |
Line No. 2000 and Line No. 20118 Hydrotest and Pipeline Maintenance – Wenden to Ehrenberg – Update #1
El Paso Natural Gas Company, L.L.C. (EPNG) is providing this update to the PHMSA required class changes of Line No. 2000 and Line No. 20118 in the Ehrenberg area (Reference Critical Notice No. 625908).
The class change of Line No. 2000 and the associated hydrotest has been postponed. The class change of Line No. 20118 will continue as planned. As such, the project duration will be shortened from the estimated 4 to 6 weeks down to 1 week with completion anticipated the week of September 22.
The capacity impact of the Line No. 20118 class change will remain as originally posted to September's Monthly Maintenance (Reference Critical Notice No. 625958) and is summarized below:
Beginning on Gas Day 9/16/2025, the following scheduling constraints will be limited to these net capacities:
WENDWST: 655,305 dekatherms per day (Dth/d)
EHRENBRG: 657,550 dekatherms per day (Dth/d)
Additionally, during this maintenance, Line 1903 will not be able to deliver to the South Mainline of the EPNG system. As such, a new segment constraint (CADEHR) will be posted at the end of segment 3060, set to 0 dekatherms per day (Dth/d) capacity to limit flow from Line 1903 to the South Mainline.
The following delivery volumes will be sourced through the EHRENBRG constraint with a combined limit of 657,550 dekatherms per day (Dth/d):
DSCALEHR (301016)
IBLYTHE (314980)
The INORBAJA (301693) location will be isolated to Line 1903 and sourced exclusively from Line 1903. As this location will be sourced directly from Line 1903, it will not be subject to the new CADEHR constraint. The Line 1903 CADIZSOU capacity 511,000 dekatherms per day (Dth/d).
Shippers are encouraged to continue using their primary path entitlements to schedule deliveries, as the pipeline will optimize the re-routing of gas as much as possible to accommodate firm primary priority transactions. However, as North Baja will be unable to receive flow from the South Mainline, Permian receipts to North Baja may be very limited. Alternate sources of supply from outside the Permian to North Baja are recommended. Please refer to the September Maintenance Posting for specific dates.