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08th Sep 2025

Altalto secures UK Government funding and advances toward construction as nation’s leading waste-to-SAF project

Altalto waste-to-SAF plant to provide sustainable fuel for UK

Partnership with NEXTCHEM integrates breakthrough NX Circular gasification and Velocys’ proven Fischer-Tropsch technology

Houston and Oxford, England – September 8, 2025 – Altalto (Immingham) Limited, owned by Velocys, has been awarded funding from the UK Department for Transport’s Advanced Fuels Fund to complete Basic Engineering Design for its flagship waste-to-SAF facility. The grant enables Altalto to integrate NX Circular™ gasification and NX CPO™ technology from NEXTCHEM with Velocys’ proven MicroFTL™ technology, strengthening its position as the most advanced municipal solid waste-to-SAF project in the UK—and globally.

Altalto is designed to produce 30 million litres (23kT) of sustainable aviation fuel annually from residual waste streams, enough to power over 500 London–New York flights per year. Once operational, the project will deliver more than 100,000 tonnes of CO₂-equivalent savings annually, support the circular economy by diverting waste from landfill and incineration, and create hundreds of jobs in the Humber region.

The project now has planning consent, strong government support, and selected technology partners across the full value chain, including waste sourcing, gasification, Fischer–Tropsch synthesis, and fuel upgrading. With Front-End Engineering Design (FEED) expected to commence in early 2026, Altalto is positioned as the UK’s near-term commercial-scale SAF solution.

Matthew Viergutz, CEO of Velocys, said:
“This new award underscores the UK Government’s confidence in Altalto and in Velocys’ Fischer–Tropsch technology. By integrating NEXTCHEM’s proven gasification systems, we are strengthening Altalto’s pathway to becoming the UK’s first commercial waste-to-SAF plant. Altalto is alive, advancing, and represents the most near-term opportunity to deliver meaningful volumes of sustainable aviation fuel from waste.”

With the UK’s SAF Mandate requiring 10% of jet fuel demand to be met by sustainable sources by 2030, Altalto stands ready to anchor the nation’s pathway to net-zero aviation.


Key Facts about Altalto (Immingham) waste-to-SAF project:

  • Output: 30 million litres of SAF annually (23kT).
  • Feedstock: Municipal solid waste (MSW), commercial & industrial waste, refuse-derived fuel.
  • Carbon benefit: >100,000 tonnes CO₂e savings annually, >70% lifecycle reduction vs. fossil jet fuel.
  • Location: Immingham, Humber region—strategic access to road, rail, port, and CO₂ storage.
  • Timeline: FEED-ready by Q1 2026; operational by 2030.

About Velocys
Velocys is a leading technology innovator in the production of sustainable aviation fuel and other low-carbon fuels through its proprietary Fischer-Tropsch process. Its microchannel reactor technology enables efficient, modular production that can be deployed globally.

microFTL™ is a trademark of Velocys
NX Circular™ and NX CPO™ are trademarks of NEXTCHEM
(MAIRE Group)

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