Renewable Energy Companies in Romania
Browse 38 renewable energy companies headquartered in Romania. Compare profiles, certifications, and project portfolios.
Showing 12 of 38 companies
View all countriesEnero
Romania
Independent non-profit technical consultancy and research center established in 1999 promoting renewable energy sources, energy efficiency, and clean energy production technologies across industry, residential, services, and transport sectors in Romania.
InstallHouse
Romania
InstallHouse is a Romanian renewable energy and building systems supplier offering solar photovoltaic panels, inverters, energy storage solutions, heat pumps, and installation services. Authorized by ANRE and AFM, they provide complete turnkey solar systems and maintenance.
Arbio
Bucharest, Romania
Arbio is the Romanian Association of Biomass and Biogas, representing bio-industries in Romania. It promotes sustainable investments in biomass, biogas, anaerobic digestion, waste-to-energy, and related sectors.
Nanoenergies
Bucharest, Romania
Virtual power plant operator and energy trader across Central Europe. Specializes in flexibility aggregation, algorithmic trading, and system balancing services. 15+ years experience in energy optimization and grid services.
Wiren
București, Romania
Romanian renewable energy company specializing in EPC services, O&M, and PV & battery energy storage solutions. Operates 1 GW of completed PV projects with 500 MW in development and 100 MW planned for 2025.
Greencluster
Sfântu Gheorghe, Romania
A social economy biomass cluster in Romania focused on advancing community-scale biomass energy production and utilization. Supports entrepreneurs across the biomass supply chain through networking, project development, innovation stimulation, and international collaboration.
Focus Eco Center
Marosvásárhely, Romania
Focus Eco Center is a Romanian environmental NGO founded in 1994, dedicated to sustainable development and environmental protection. Active in community engagement, environmental education, water management, and EU-aligned environmental policy initiatives.
Monsson
Bucharest, Romania
Romanian renewable energy group founded in 1997, specializing in wind, solar, energy storage, and hydrogen solutions. Develops large-scale projects, operates O&M services, and provides training. Over 1.1 GW built with 7+ GW pipeline.
Femaris
Bihor, Romania
Industrial maintenance services provider founded in 2001, specializing in vibration analysis, equipment monitoring, testing solutions, and predictive maintenance across multiple industrial sectors including aerospace, railways, and energy.
EnergyPal
Bucharest, Romania
EnergyPal is a Romanian energy efficiency solutions provider specializing in building management systems, smart metering, energy audits, and operational cost reduction. The company leverages AI, IoT, and BMS technologies to optimize building energy consumption and sustainability.
Electroalfa
Botoșani, Romania
Romanian electrical equipment manufacturer and renewable energy solutions provider. Listed on Bucharest Stock Exchange in March 2026. Produces solar E-house systems, transformers, and electrical equipment for energy infrastructure, with a focus on renewable energy integration and sustainability.
Cluster Zepher
Oradea, Romania
Romanian organization focused on identifying, developing, and implementing renewable energy solutions and energy-efficient technologies for near-zero energy buildings (nZEB) and smart urban development with reduced greenhouse gas emissions.