Alterna énergie

About

Founded in 1920, Alterna énergie is a private headquartered in Poitiers, France with approximately 200-500 employees specializing in Solar, Wind, Hydro.

Alterna énergie is both a producer and supplier of renewable energy in France. The company operates a unique cooperative model comprising more than 50 local energy companies with roots dating back to the 1920s. It manages a network of over 1,000 renewable energy producers across France, including photovoltaic, wind, and hydroelectric facilities. Following the acquisition of Vattenfall Energies SA, Alterna now serves approximately 340,000 customers (individuals and businesses) consuming 10 TWh annually. The company emphasizes local circuit energy distribution, carbon neutrality, energy sobriety, and transparent sourcing. Products include 100% locally-sourced green electricity with VertVolt certification, biogas offerings, and demand-response tariffs with off-peak hours. Alterna has conducted carbon accounting and maintains continuous improvement certifications.

Products