SEMAG
Société d'Economie Mixte d'Aménagement de Gardanne et de sa région
Gardanne, France
About
Founded in 2003, SEMAG is a government headquartered in Gardanne, France specializing in Solar, Geothermal, Biogas.
SEMAG (Société d'Economie Mixte d'Aménagement de Gardanne et de sa région) is a public economic development enterprise controlled by majority public shareholders. Operating since 2003, SEMAG manages and develops economic zones, undertakes urban regeneration projects, and leads renewable energy initiatives across the Gardanne region. The company operates the Pôle Yvon Morandat, a former coal mining site transformed into a modern economic and energy hub. Key renewable projects include geothermal energy extraction from historic mine water reserves (35 million m³ capacity), photovoltaic installations on municipal buildings, and an integrated district energy network combining solar, geothermal, and thermal storage systems. SEMAG also operates a non-hazardous waste storage facility with biogas valorization at Malespine. The company positioned itself as a central actor in decarbonized energy solutions and territorial development aligned with environmental and economic objectives.
Headquarters
Gardanne, France
Founded
2003
Company Type
Government
Business Models
Value Chain
Projects
Pôle Yvon Morandat Geothermal and Solar Energy Network
Malespine Non-Hazardous Waste Storage with Biogas Valorization
Municipal Building Photovoltaic Retrofit Program
Sustainability
295
Tonnes CO₂/yr avoided