Renewable Energy Companies in Greece

Energein provides consulting and technical services for sustainable energy projects, including feasibility studies, energy audits, ICT systems for electricity management, and financial analysis for renewable energy investments.

Collective scheme for alternative management of waste electrical and electronic equipment in Greece, including photovoltaic panel recycling. Operates under Ministry of Environment and Energy oversight with annual licensing.

Depia develops GridMaster, an integrated hardware and cloud software platform for remote monitoring and management of renewable energy installations including solar, wind, hybrid, biogas, and energy community projects.

Juwi Hellas S.A. is a Greek photovoltaic specialist founded in 2008, offering development, design, supply, construction, and operation & maintenance services for solar power plants. Operating over 260 MW of managed capacity with expertise in utility-scale projects.

ISOMAT is a building materials manufacturer specializing in waterproofing, coatings, adhesives, and decorative flooring. With 45+ years of experience, the company operates globally through subsidiaries and distributors, emphasizing sustainability and environmental responsibility.

Sieline is a Greek solar thermal water heater manufacturer and distributor, established in 1979. Operating as part of the Dimplex group since 2000, the company serves the European market with solar heating solutions.

Greek renewable energy company specializing in solar photovoltaic systems, inverters, and energy storage solutions. Operates over 6000 installations across Europe and Africa with 24/7 technical support and R&D capabilities since 1996.

ΔΕΗ (DEI) is Greece's largest electricity supplier, offering residential and business electricity, natural gas, photovoltaic systems, heating solutions, fiber internet, and e-mobility services with renewable energy options.

Leading Greek renewable energy aggregator and demand response service provider managing over 4.2 GW of installed capacity. Specializes in market representation, virtual power plant optimization, battery storage systems, and demand response services for renewable producers.

The Green Alliance, powered by SUNEL Group, helps European venues achieve energy independence through solar PV, battery storage, and smart infrastructure. Targeting 1,000 MW deployment across stadiums, arenas, and large facilities.

Graviteqa is a research and innovation project combining gravitational energy storage, quantum computing, and AI technologies to optimize energy storage systems and support the circular economy transition of decommissioned power plants and mines.

Motor Oil is a diversified integrated energy provider in Southeastern Europe with over 50 years of operations. The group operates across crude oil refining, petroleum trading, natural gas, electricity trading, renewable energy, and circular economy sectors with 4,000+ employees.