Expansion Projects

Hillabee Expansion Project

  • Alabama

The Hillabee Expansion Project is an expansion of the existing Transco pipeline’s capacity in Alabama to supply natural gas to the Sabal Trail pipeline.

Learn More aboutHillabee Expansion Project

Kalama Lateral Project

  • Washington

Northwest Innovation Works (NWIW) and Williams’ Northwest Pipeline have signed a pre-construction agreement for Northwest to construct a three-mile, 24-inch diameter natural gas pipeline and related facilities.

Learn More aboutKalama Lateral Project

Leidy South Expansion Project

  • Pennsylvania

The Leidy South Project is a proposed expansion of Williams’ existing Pennsylvania energy infrastructure designed to connect robust supplies of natural gas in northern and western Pennsylvania with growing demand centers along the Atlantic Seaboard.

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Regional Energy Access

  • New Jersey
  • Pennsylvania

Williams is developing the Regional Energy Access expansion to enhance existing energy infrastructure and increase Northeast consumer access to clean, affordable natural gas.

Learn More aboutRegional Energy Access

Landowners & Developers

We’re committed to honoring the trust and respect we’ve established with our landowners and developers. We take extra steps to ensure those near our pipelines can take part in the planning process.