Sasol Technology Secured for Washington Aviation Fuel Plant
Operators at Project Wigeon will utilize proprietary licensing to convert synthesis gas into sustainable aviation fuel.
Updated on Oct. 2, 2026 in Oil and Gas
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SkyNRG has selected Sasol to provide low-temperature Fischer-Tropsch technology for its planned sustainable aviation fuel (SAF) plant at the Port of Walla Walla. The project, which targets an annual output of 50 million gallons, is slated to commence production around 2031.
Why it matters
The adoption of specialized synthesis gas conversion technology signals a shift in infrastructure scale for regional renewable fuel production. Operators should monitor the integration of these complex licensing agreements as developers navigate the gap between engineering studies and final investment decisions.
Project Wigeon aims for an annual production capacity of 50 million U.S. gallons, or approximately 189 million liters, of SAF and renewable diesel. This is one of three major SAF projects linked to the firm since July 2026.
The players
Sasol
An integrated energy and chemical company that develops proprietary Fischer-Tropsch technology for synthetic fuel production.
SkyNRG
A developer specializing in the production and supply of sustainable aviation fuel.
Topsoe
A global provider of catalyst and process technology for the chemical and refining industries.
Technip Energies
An engineering and technology firm providing project management and design services for energy infrastructure.
The details
The facility will employ Sasol's Fischer-Tropsch technology to transform synthesis gas into liquid hydrocarbons suitable for aviation use. Technip Energies is currently managing front-end engineering design for the plant. While the Zaffra joint venture between Sasol and Topsoe is winding down, both entities continue to license the underlying process technologies required for synthesis gas production and fuel upgrading.
Timeline
2019: Sasol and Topsoe signed a technology licensing agreement.
June 26, 2026: Sasol and Topsoe announced the wind-down of their Zaffra joint venture.
September 28, 2026: SkyNRG announced the technology agreement for Project Wigeon.
2027: Sustaero and Allied Biofuels target final investment decisions.
2031: Project Wigeon is expected to begin production.
Market Landscape
The adoption of this technology follows the 2019 Sasol-Topsoe technology licensing agreement, which continues to anchor SAF development efforts. Despite the wind-down of the Zaffra joint venture, the continued use of these licensed technologies demonstrates the reliance on established process intellectual property in the nascent renewable fuel sector.
Operators in the regional energy sector should track the 2027 investment decision timeline for similar renewable fuel projects to gauge industry momentum. Procurement managers should prepare for long-lead times on proprietary processing technology as supply chains for SAF infrastructure mature.
The takeaway
The deployment of Fischer-Tropsch technology for Washington's aviation sector highlights a shift toward high-capacity synthetic fuel production. Operators should monitor the 2027 investment cycle for comparable projects to determine if regional supply chains for renewable fuels are ready to scale.
Further reading
For broader trends in regional fuel infrastructure, visit Oil and Gas.
Source note: This article includes information reported by Ecofin Agency.
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