Ascendance News

Founded in 2018 and based in Toulouse, France, Ascendance develops technologies for low-carbon aviation and aircraft electrification. Its portfolio centres on STERNA, a modular hybrid-electric propulsion system designed to integrate multiple energy sources and support the decarbonisation of existing and future aircraft, and ATEA, its hybrid-electric vertical take-off and landing aircraft concept. Ascendance combines expertise in propulsion, power electronics, energy management and aircraft integration to address range, performance and emissions requirements. The company works with aviation manufacturers and operators on applications spanning helicopters, regional aircraft, business aviation and next-generation air mobility.

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15 SEP '25

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European Consortium Secures €5M for Next-Gen Aviation Battery Development

Ascendance's L.I.M.E consortium will use a €5M Clean Aviation grant to develop a TRL4-certified aviation battery system for hybrid-electric regional aircraft, targeting service entry by 2035.

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17 JUN '25

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Ascendance Launches STERNA Hybrid Pack to Pioneer Sustainable Hybrid-Electric Aviation

Ascendance’s STERNA Hybrid Pack, co-developed with EXOES, delivers modular hybrid-electric propulsion for certifiable aircraft, enabling lower emissions and operational flexibility.

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24 APR '25

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Ascendance and PhilJets Partner to Revolutionize Regional Air Mobility in the Philippines

Ascendance signed a Letter of Intent (LOI) with PhilJets to acquire five additional aircraft, strengthening its relationship with one of the leading aviation operators in the Philippines.

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