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Home Who we are

Who we are


The company

An Integrated Actor of Solar Energy


Created in 2008, ALTUS ENERGY is a major actor of the photovoltaic industry in Europe. 


ALTUS ENERGY is a integrated actor that is present in all stages of the life of a solar power plant.


  • Project identification
  • Acquisition, development and financing
  • Construction, management and commissioning, 
  • Operational management, monitoring and maintenance
  • Equipment supply
Since our creation, we have developed and funded high power generators that represent a total of 130MW all over France, on large roofs and in ground mounted power plants either directly or via our subsidiary THIRD STEP. We have a leading track record, all our generators comply with our budget and with the production estimates.  

Our team

Mathieu Debonnet - Founder and President

Born in 1972, an entrepreneur and activity development professional with more than 20 years of experience in renewable energy and other industrial secotrs, Mathieu has especially in charge of the implantation of production units and of commercial development in Asia for ALLIOS, the first French independent manufacturer of paints and coatings. Mathieu created ALTUS ENERGY in 2008 and THIRD STEP in 2012. He has a very complete expertise in the development and operational management of photovoltaic power plants, in structuring, negotiation, and follow-up of EPC contracts, in debt and equity financing with banks and investment funds, in due diligence management, in the assessment of solar power plants. Apart from his professional activities, Mathieu practises sailing, windsurfing and cycling. 

  • Master degree in International Business – SKEMA (Sophia Antipolis) 1996

Hervé PODRAS - Secretary General

Born in 1972, Hervé has almost 20 years of professional experience in areas as varied as industrial computing, specialty chemistry and renewable energies. He has occupied several functions in marketing, export and management. He is currently in charge of the implementation of project funding files and their administrative, legal and fiscal follow-up. He assists the President in the daily management of the company. Hervé occupies his free time with fitness, reading and cinema.

  • Master 2 in International Affairs  University of Provence (Aix-Marseille I)

Olivier JEHANNO - Directeur des Opérations et de la Maintenance

Né en 1980, Olivier dispose d’une expérience de plus de 20 ans dans le monde de la maintenance et de la production électrique. Il encadre les équipes de maintenance et de monitoring qui maillent l’ensemble du territoire. Professionnel reconnu, avec plus de 10 ans d’expérience dans le management d’équipes de maintenance dédiées aux énergies renouvelables. Apporte son savoir-faire dans le process et QHES, afin d’adapter le service maintenance aux exigences du terrain et du marché. Olivier aime l’histoire et la culture japonaise. Diplôme BP Electromécanique.

Our commitment

to support Louise CERVERA and Matisse PACAUD

ALTUS ENERGY has been supporting for several years Louise CERVERA and Matisse PACAUD, two young athletes from Cannes, both great promising talents of the French sailing team for the 2020 Tokyo and the 2024 Paris Olympic Games. Louise, born in 1998 and Matisse, born in 2001, both already have impressive records, having won several international competitions for which they are regularly qualified and at which they are bravely representing the Cannes Yacht Club, at which they are affiliated. ALTUS ENERGY shares with Louise and Matisse the values of respect and protection of the planet, surpassing oneself, and achievement through physical effort.