GreenGT partners with 49 SUD to develop fuel cell systems for Climate Impulse airplane
![Climate-Impulse_GreenGT](https://valais-economy.ch/wp-content/uploads/2024/06/Climate-Impulse_GreenGT-1024x704.webp)
GreenGT has signed a contract with 49 SUD to develop and supply fuel cell systems for the innovative Climate Impulse airplane.
H55’s battery system receives approval from the European Union Aviation Safety Agency
![h55_Agence européenne de sécurité aérienne_European Union Aviation Safety Agency](https://valais-economy.ch/wp-content/uploads/2024/03/h55_Agence-europeenne-de-securite-aerienne-1024x651.png)
Valais-based innovator H55’s electric battery system has received approval from the European Union Aviation Safety Agency (EASA).
H55 is shaping the future of electric aviation in Valais
![H55_45 millions - 45 million - electric aviation](https://valais-economy.ch/wp-content/uploads/2023/09/H55_45-millions-1-1024x684.jpg)
Valais-based company H55, born from the Solar Impulse project, continues its impressive ascension in the realm of electric aviation.
H55 raises CHF 45 million to continue its ascension in electric aviation
![H55_45 millions - 45 million - electric aviation](https://valais-economy.ch/wp-content/uploads/2023/09/H55_45-millions-1-1024x684.jpg)
H55 has successfully secured CHF 45 million in its Series C financing round.
RTX Ventures invests in H55!
![h55 - RTX Ventures](https://valais-economy.ch/wp-content/uploads/2022/10/h55.jpg)
RTX Ventures has made a minority investment in electric propulsion system company H55 to drive the development of electric aviation solutions.
A new collaboration: H55 Switzerland and Pratt & Whitney Canada
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Pratt & Whitney Canada has selected H55 to provide the battery pack for the company’s regional hybrid-electric flight demonstrator program.