Public energy distribution syndicate managing electricity and gas services across 269 communes in Finistère. Develops renewable energy infrastructure including solar, electric vehicle charging networks, and public lighting systems while supporting energy transition initiatives.

Where is Sdef located?

Sdef is headquartered in Quimper, France.

What energy sectors does Sdef operate in?

Sdef operates in Solar, Energy Storage, Hydrogen.

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Sdef

Syndicat Départemental d'Énergie et d'Équipement du Finistère

Quimper, France

SolarEnergy StorageHydrogenCo-op

Founded 1948

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About

Founded in 1948, Sdef is a co-op headquartered in Quimper, France specializing in Solar, Energy Storage, Hydrogen.

Established in 1948, Sdef is a public cooperative (Établissement Public de Coopération Intercommunale) responsible for organizing electricity distribution services covering 269 of 277 communes in Finistère Department. Beyond distribution, Sdef has diversified into renewable energy development, electric vehicle charging infrastructure (Ouest Charge network with 500+ charging points across three Breton departments), public lighting management with LED systems and smart grid technology, energy efficiency programs (including solar cadaster mapping), natural gas for vehicles (GNV), and district heating networks. The organization manages network security, maintains over 4,000 annual requests, and conducts 100-150 major operations yearly. Sdef operates with advanced technologies including smart-grid solutions tested on Ouessant Island and collaborates on European research projects like ICE for low-carbon energy solutions in isolated territories.

electric-vehicle-chargingpublic-lightingsmart-gridsenergy-efficiencydistrict-heatingnatural-gas-vehiclessolar-mapping

Headquarters

Quimper, France

Founded

1948

Company Type

Co-op