Cleantech for resilient gas and cleanfuels production

Over 33 years of experience decarbonizing industry and mobility
Renewable syngas
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Sustainable Aviation Fuel (SAF)
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Renewable hydrogen
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Renewable methanol
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Our expertise

Haffner Energy’s expertise has been forged over more than 33 years of experience.

33 years of experience designing, developing and bringing to market a pioneering, patented technology that produces clean fuels with a neutral-to-negative carbon footprint: biomass thermolysis.

 

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Fast facts

33
years of experience in biomass-to-energy
16
years of R&D to develop our thermolysis technology
40+
cogeneration projects mostly in Europe and Africa (600 MW)
80+
international patents

Latest news

News
11/09/2026
Marolles, the place to be! Local elected officials from the Marne visit Haffner Energy.
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News
11/06/2026
From California to Marolles: advancing our partnership with OroCarbo!
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News
11/06/2026
HyDeo Day 2026: A great day advancing hydrogen in Occitanie!
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News
11/04/2026
Data centers: new environmental requirements are creating significant opportunities.
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All articles

Events

Event
European Biocarbon & Biomass Summit 2026 (EBBS26 conference)
December 9, 2026 - 10:50 AM -12:15 AM
Amsterdam
Marcella Franchi to speak on the panel : BIOSAF COMMERCIAL DEVELOPMENT: ADVANCED PROJECTS ACROSS EUROPE
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Event
Data Centre Energy Summit
November 25, 2026
London, UK
Meet Marcella Franchi at the event
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All events

Our mission

Decarbonize    ■    Innovate    ■    Regenerate

Our values

Innovate
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