Sasol Joined Project Wigeon SAF Effort

The company will provide Fischer-Tropsch technology to the sustainable aviation fuel plant in Washington state.

Updated on Oct. 2, 2026 in Oil and Gas

Bold flat-color editorial illustration of a cylindrical industrial reactor vessel, representing sustainable aviation fuel infrastructure. — Sasol has partnered with the Project Wigeon facility in Walla Walla, Washington, to supply Fischer-Tropsch technology for sustainable aviation fuel production. AI Illustration. Upload story photo >

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Sasol has agreed to supply its low-temperature Fischer-Tropsch technology to the Project Wigeon facility in Washington state. The plant, located at the Port of Walla Walla, is slated to produce sustainable aviation fuel and renewable diesel.

Why it matters

The agreement marks a significant step in the regional development of sustainable fuel infrastructure in the Pacific Northwest. It highlights the continued deployment of specialized conversion technologies by major energy firms despite corporate restructuring elsewhere.

Project Wigeon aims for an annual production capacity of 50 million U.S. gallons of SAF and renewable diesel. This is part of a broader push by Sasol, which has announced three such projects since July 2026.

The players

Sasol

Sasol is an international integrated chemicals and energy company that develops proprietary technology for converting energy sources into liquid fuels.

SkyNRG

SkyNRG is a Dutch sustainable aviation fuel developer that manages and coordinates various renewable energy infrastructure projects.

Technip Energies

Technip Energies is an engineering and technology company that provides design and project management services for the global energy sector.

Topsoe

Topsoe is a Danish chemical engineering company that provides technology and catalysts for industrial fuel production.

The details

Sasol will provide technology that converts synthesis gas into the liquid hydrocarbons necessary for aviation fuel production. Technip Energies is currently managing the front-end engineering studies for the Port of Walla Walla facility.

Sasol and Topsoe signed a technology licensing agreement in 2019.
The companies announced the wind-down of their Zaffra joint venture on June 26, 2026.
SkyNRG announced the agreement for Project Wigeon on September 28, 2026.
Project Wigeon is expected to begin production around 2031.

Market Landscape

This project continues the integration of specialized conversion technologies into the broader sustainable aviation fuel market. It demonstrates how firms like Sasol remain active in the sector despite ongoing consolidation and the restructuring of specific joint ventures.

For residents in the Port of Walla Walla area, this project represents a long-term industrial investment that could create local jobs as construction and operations ramp up toward 2031. Consumers should monitor regional fuel transition trends as this facility begins contributing to the domestic SAF supply chain.

The takeaway

The move underscores the growing reliance on established energy engineering firms to build the infrastructure needed for low-carbon aviation. Travelers and residents can expect to see more of these specialized plants emerging as part of the broader transition to renewable diesel and aviation fuels.