WMB · 10-Q · 2026Q3 · Full report
Pipeline Capacity Expansion
WILLIAMS COMPANIES, INC. · 2026-11-02 · Importance 40 · Surprise 42 · In source text
Williams placed Naughton Coal-to-Gas Conversion into service in April 2026, adding 98 Mdth/d of contracted capacity to NWP’s system serving a power plant in southwest Wyoming. Socrates South entered service in late July in New Albany, Ohio, as part of a two-facility project with expected total capacity of 556 MW and a 10-year, primarily fixed-price power purchase agreement. Gillis West, Ryckman Creek Lateral, and Huntingdon Connector entered service in late October, adding expected capacities of 115 Mdth/d, 50 Mdth/d, and 78 Mdth/d, respectively, to transmission systems serving Texas, Wyoming, and Washington.
Key facts
- Transco received FERC approval for the Southeast Supply Enhancement project in January 2026; it planned service as early as the third quarter of 2027, subject to timely regulatory approvals, and expected 1,597 Mdth/d of added capacity.
- Transco planned to place Northeast Supply Enhancement into service as early as the fourth quarter of 2027, subject to timely regulatory approvals; the project was fully subscribed under customer precedent agreements executed in August 2025 and was expected to add 400 Mdth/d.
- In September 2026, Transco filed a FERC certificate application for Leidy Access; it planned service as early as the fourth quarter of 2027, subject to timely approvals, and expected 183 Mdth/d of added capacity.
- Williams planned to place the Line 200 pipeline, which will connect to the Louisiana LNG facility, into service as early as the second quarter of 2028; expected capacity is 3,100 Mdth/d.
- Williams received FERC approval for the Pine Prairie Phase IV Expansion in May 2026 and planned service in the fourth quarter of 2028, subject to regulatory approvals; it is expected to add 10 Bcf of working gas storage capacity.
- Transco planned to file a FERC certificate application for Dalton Lateral II in 2027 and planned service as early as the fourth quarter of 2029, subject to timely approvals; capacity is expected to increase by up to 460 Mdth/d.
- Transco planned to file a FERC application for Power Express as early as the second quarter of 2027 and planned service as early as the third quarter of 2030, subject to timely approvals; expected capacity is 800 Mdth/d.
- NWP received FERC approval for Wild Trail in March 2026; the fully subscribed project planned service in the fourth quarter of 2027, subject to approvals, and is expected to provide 83 Mdth/d of new firm transportation service.
Impact estimates
| metric | direction | stage | expected | basis |
|---|---|---|---|---|
| revenue | positive | probable | — | Transco received FERC approval for the Southeast Supply Enhancement project in January 2026; it planned service as early as the third… |
| revenue | positive | probable | — | Transco planned to place Northeast Supply Enhancement into service as early as the fourth quarter of 2027, subject to timely regulatory… |
| revenue | positive | contingent | — | In September 2026, Transco filed a FERC certificate application for Leidy Access; it planned service as early as the fourth quarter of… |
| revenue | positive | contingent | — | Williams planned to place the Line 200 pipeline, which will connect to the Louisiana LNG facility, into service as early as the second… |
| revenue | positive | probable | — | Williams received FERC approval for the Pine Prairie Phase IV Expansion in May 2026 and planned service in the fourth quarter of 2028,… |
| revenue | positive | contingent | — | Transco planned to file a FERC certificate application for Dalton Lateral II in 2027 and planned service as early as the fourth quarter of… |
| revenue | positive | contingent | — | Transco planned to file a FERC application for Power Express as early as the second quarter of 2027 and planned service as early as the… |
| revenue | positive | probable | — | NWP received FERC approval for Wild Trail in March 2026; the fully subscribed project planned service in the fourth quarter of 2027,… |
| revenue | positive | probable | — | NWP received FERC approval for Kelso-Beaver Reliability in November 2025; it planned service in the fourth quarter of 2028, subject to… |
| revenue | positive | contingent | — | NWP planned to file a FERC application for Silver Spur as early as the second half of 2027 and planned service as early as the second… |
| revenue | positive | probable | — | Transco placed the Gillis West project into service in late October 2026, and the project is expected to add 115 Mdth/d of capacity. |
| revenue | positive | probable | — | NWP placed the Ryckman Creek Lateral into service in late October 2026, with expected contracted capacity increasing by 50 Mdth/d. |