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RO · 38 companies

Renewable Energy Companies in Romania

Browse 38 renewable energy companies headquartered in Romania. Compare profiles, certifications, and project portfolios.

Showing 12 of 38 companies

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EN

Enero

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.

SolarWindenergy efficiencyrenewable energy
Est. 1999
IN

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.

SolarEnergy StorageSolar PVEnergy Storage
AR

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.

BiomassBiogasbiomassbiogas
Est. 2013
NA

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.

SolarWindvirtual power plantflexibility aggregation
Est. 2008
WI

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.

SolarEnergy StorageSolar EnergyEPC Services
Est. 20201 GW
GR

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.

Biomassbiomass clustersocial economy
Est. 2009
FE

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.

OtherEnvironmental NGOSustainable Development
Est. 1994
MO

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.

SolarWindwind energysolar energy
Est. 199778 MW
FE

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.

Energy Storageindustrial maintenancevibration analysis
Est. 200150-200 emp
EN

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.

Energy Storageenergy efficiencybuilding management
Est. 200050-200 emp
EL

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.

SolarEnergy Storagerenewable energyelectrical equipment
Est. 1991500-1000 emp
CZ

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.

SolarWind

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