H55

About H55

H55 is a technological spin-off of Solar Impulse, focused on developing electric propulsion systems for the aviation industry. With over 20 years of experience in design, development, certification, and electric flight, H55 aims to pioneer sustainable aviation by providing innovative, certified electric propulsion solutions for various aircraft types.

Products & Services

Electric Propulsion System (EPS):Comprises the Energy Storage System (ESS) with battery packs and management systems, and the Electric Power Unit (EPU) with a motor and controller. It has been integrated into 4 aircraft types, meeting certification requirements and demonstrating reliability in real flight conditions.

Bristell B23 Energic:A 2-seater fully electric pilot training aircraft with a 104kW EPS, offering 60 minutes of endurance plus reserves, ideal for training missions and short-range recreational flying. Features modern avionics and intuitive data displays.

De Havilland Dash-8 Hybrid Demonstrator:H55 develops the Energy Storage System (ESS) for a 49-seat electric hybrid commuter aircraft with Pratt & Whitney Canada, targeting a 30% improvement in fuel efficiency and CO₂ emission reduction.

De Havilland Beaver Retrofit:H55 provides the Energy Storage System for converting Harbour Air’s fleet of De Havilland Beaver aircraft to electric propulsion for regional commuter flights.

Piper Archer Retrofit:H55 collaborates with CAE to transform a fleet of 80 Piper Archer trainer aircraft to full electric propulsion using its ESS, and supports developing conversion kits for existing owners.

Specialties

Electric Propulsion Systems Energy Storage Systems (ESS) Aircraft Certification and Integration Sustainable Aviation Hybrid and Electric Aircraft Design

Funding History

Debug: View Raw Funding Data

#	Type	Amount Fields	Date Fields	Investors
1	RT: Series C T: - FT: Series C	A: 72800000 MR: - FA: CHF 65 million FAN: 72800000	D: 2024-07-24 FD: 2024-07-24	1 investors
2	RT: Series C T: - FT: Series C	A: 65000000 MR: - FA: 65 million FAN: 65000000	D: 2024-07-24 FD: 2024-07-24	1 investors
3	RT: Government Grant (Repayable Contribution under Aerospace Regional Recovery Initiative - ARRI) T: - FT: Government Grant (Repayable Contribution under Aerospace Regional Recovery Initiative - ARRI)	A: 10000000 MR: - FA: $10,000,000 FAN: 10000000	D: 2023-03-08 FD: 2023-03-08	1 investors

Series C Latest

2024-07-24

$72.8M

1 investor (Pro only)

Series C 2024-07-24

$65.0M

Government Grant (Repayable Contribution under Aerospace Regional Recovery Initiative - ARRI) 2023-03-08

$10.0M

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Growth Metrics

+45%

Employee Growth

YoY

3.2x

Funding Growth

Last Round

12

Markets

Operating

10K+

Customers

Active

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Mock Up

Team & Leadership

A

André Borschberg

Co-Founder and Executive Chairman

S

Sébastien Demont

Co-Founder and Chief Technology Officer

G

Gregory Blatt

Co-Founder and Chief Sales Marketing Officer

B

Bertrand Piccard

Co-Founder of Solar Impulse

M

Martin Larose

Chief Executive Officer

A

Andy Sheehan

Managing Partner, Tippet Venture Partners

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Recent News

H55 Announces New Product Launch

2 days ago

Company unveils innovative solution to transform the industry, expanding market reach and capabilities...

Leadership Team Expands with Industry Veteran

1 week ago

New executive brings 20+ years of experience to accelerate growth and strategic initiatives...

Company Recognized as Industry Leader

2 weeks ago

Receives prestigious award for innovation and customer satisfaction in competitive market...

Key Competitors

C1

Competitor Alpha

Series B · $50M raised

C2

Competitor Beta

Series C · $120M raised

C3

Competitor Gamma

Series A · $25M raised

C4

Competitor Delta

Seed · $10M raised