Sie

About

Sie is a private headquartered in Crissier, Switzerland specializing in Solar, Wind, Hydro.

Sie SA is a regional energy company serving four communes in the Ouest lausannois area. The company develops and operates energy, mobility, and multimedia networks. It specializes in electricity distribution and supports clients through energy transition with comprehensive renewable energy services including photovoltaic self-production, thermal energy solutions, distance heating, charging stations, collective renewable energy programs, and photovoltaic contracting. Sie has developed digital tools (Datawatt, Calculowatt) to help customers analyze consumption and optimize energy use. The company is investing in sustainable infrastructure and renewable energy projects, including wind farm development in partnership with other operators.

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