Topsoe and Carbon Neutral Fuels join forces to advance e-SAF with SOEC electrolyzer technology
Industry news• Topsoe has been chosen to deliver advanced Solid Oxide Electrolyzer Cell (SOEC) technology, consuming 120MW green power for Carbon Neutral Fuels’ e-SAF (Sustainable Aviation Fuel) project called Project Starling in Workington, UK.
• The plant is expected to produce 25,000 metric tons of e-SAF per year. Construction is planned for 2028 with operations expected in 2031 pending final investment decision.
• The project was the largest e-fuels award of the UK Government’s third Advanced Fuels Fund granted in July 2025, directly delivering on the UK’s SAF Mandate.
Topsoe, a leading global provider of advanced technology and solutions for the energy transition, has signed a Front-End Engineering and Design (FEED) agreement with Carbon Neutral Fuels (CNF) based on Topsoe’s state-of-the-art SOEC electrolyzers for CNF’s commercial-scale e-SAF project called Project Starling.
This agreement marks the first commercial application of Topsoe’s SOEC technology for use in commercial SAF production.
The levels of data and research backing the efficacy of their technologies were instrumental in building confidence in their product, and we look forward to doing our share in regards to the decarbonization of the aviation sector and deliver on the UK’s Jet Zero initiatives.”
The electrolyzer stacks for the project will be delivered from Topsoe’s SOEC manufacturing facility based in Herning, Denmark. First deliveries are expected in 2028 pending CNF taking Final Investment Decision (FID) on the project.