
Haffner Energy SA is a France-based company. The Company is specialized in the development, project management and construction of turnkey renewable energy production stations for industrial and local authorities. The company offers the HYNOCA process for the production of green hydrogen from biomass by thermolysis and is protected by patent families, and other international patents. The Company has been specializing in energy engineering and biomass to energy projects and the first industrial and commercial HYNOCA installation started operation in 2001. This unit is operated by R-HYNOCA, a subsidiary of R-GDS, and is located in the heart of Strasbourg city.
Energy
Sector
Freetrade is your gateway to commission-free investing. Join over 1.6 million users using the Best online trading platform, as voted at the British Bank Awards for six years running.
Freetrade does not provide investment advice and individual investors should make their own decisions or seek independent advice. The value of investments can go down as well as up and you may receive back less than your original investment. Past performance is not a reliable indicator of future returns. Freetrade is a trading name of Freetrade Limited, which is a member firm of the London Stock Exchange and is authorised and regulated by the Financial Conduct Authority. Registered in England and Wales (no. 09797821).
© 2026 Freetrade, All rights reserved. The Apple logo is a trademark of Apple Inc. App Store is a service mark of Apple Inc. Google Play and the Google Play logo are trademarks of Google LLC.