About Helexia
Company Overview
Helexia, a private subsidiary of the Voltalia group
HeadquartersLa Madeleine, France
Year Founded2010
SizeApproximately 460 employees across 11 countries (source: linkedin.com)
What They Do
Helexia is an international player in the energy transition, specializing in building energy performance and on-site photovoltaic production (source: helexia.green). The company designs, finances, builds, operates, and optimizes energy solutions for industrial and commercial clients, with a particular focus on rooftop and canopy solar projects, energy efficiency, energy management, battery storage, flexibility solutions, and electric vehicle charging infrastructure (source: linkedin.com). Its business model covers energy audits, strategy definition, project engineering, financing, construction, operation, monitoring, maintenance, and continuous improvement aligned with ISO 50001 standards (source: verif.com). Helexia primarily serves commercial and industrial clients, including retail groups, property managers, and other organizations aiming to reduce energy costs and carbon footprint while enhancing resilience (source: auchan-retail.com).
Projects and Achievements
Helexia has completed over 2,000 photovoltaic projects totaling an installed capacity of 450 MW (source: infos.helexia.green). Among its notable partnerships, the collaboration with Auchan has reached 100 MW of photovoltaic capacity, with 50 MW already operational (source: auchan-retail.com). In 2025, Helexia secured €50 million in financing to accelerate the installation of 240 rooftop and canopy solar projects across France, Italy, Belgium, Portugal, and Spain (source: helexia.group). Each year, the company manages around 1,000 sites and supports more than 180 energy efficiency projects for its commercial and industrial clients (source: auchan-retail.com).
Recent Developments
In 2025, Helexia strengthened its growth with several major announcements, including a new €50 million financing round to support the expansion of its solar installations across Europe (source: helexia.group). In Portugal, the company inaugurated a significant rooftop solar plant with Fapricela and launched an e-mobility project with Monview, while celebrating the 100 MW milestone with Auchan (source: helexia.pt). Additionally, a €20 million financing tranche was announced in 2026 for 73 solar projects across Europe, reflecting the company’s ongoing momentum (source: helexia.group). These developments are accompanied by updated governance and a strengthened organization to support growth (source: helexia.green).
Working at Helexia
Helexia recruits across various fields such as energy strategy, engineering, development, construction, operation, monitoring, maintenance, energy management, and project financing (source: helexia.group). Its offices are located in France—in Lille, Lyon, Bordeaux, Paris, and Saint-Quentin-Fallavier—as well as internationally in cities like Lisbon, Porto, Madrid, Brussels, Berchem, Bucharest, Warsaw, Budapest, Rio de Janeiro, and Cape Town (source: linkedin.com). The company culture values international collaboration, local expertise, and client support to make energy a true strategic lever (source: linkedin.com). Teams work on multidisciplinary projects covering buildings, operations, and usages, with strong expertise in audits, energy efficiency programs, rooftop and canopy photovoltaic installations, as well as continuous improvement according to ISO 50001 standards (source: linkedin.com).
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