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101 Top Renewable Energy Startups and Companies in Spain (2021)

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This article showcases our top picks for the best Spain based Renewable Energy companies. These startups and companies are taking a variety of approaches to innovating the Renewable Energy industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

Top Spain Renewable Energy Startups

Data sourced from Crunchbase and SemRush.

Wallbox

Wallbox

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Wallbox creates smart charging and energy solutions to advance electric vehicle adoption and sustainable energy use.

ACCIONA

ACCIONA

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ACCIONA is the development and management of infrastructure, renewable energy, water, and services.

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Siemens Gamesa Renewable Energy

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Siemens Gamesa supplies wind turbines and power solutions to customers.

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Zeleros

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Zeleros designs and develops hyperloop technology for a more sustainable and energy-efficient transportation.

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Perfecta Energía

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Perfecta Energía is a solar company with a sustainable model of facilitating solar energy consumption with no initial investment.

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Naturgy

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Naturgy is an energy group with an innovative, end-to-end, and sustainable business model.

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Fotowatio Renewable Ventures

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Fotowatio Renewable Ventures is providing comprehensive renewable energy solutions across the globe.

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Bioo

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Electricty from nature.

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Hybrid Energy Storage Solutions

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HESS Ltd. is a technological solution provider, a pioneer in creating hybrid energy storage solutions for the electrical grid

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Alga Energy

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Alga Energy is developing a photobioreactor plant for the production of biofuels and omega-3 rich oils to generate clean energy.

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Vortex Bladeless

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Vortex Bladeless is a company dedicated to the designing, manufacturing and commercialization.

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Wenea Mobile Energy

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Wenea Mobile Energy is a mobile energy operator.

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RatedPower

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RatedPower developed pvDesign app, the leading cloud-based software to design and engineer Solar Power plants.

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Energy Solar Tech

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Energy Solar Tech is a solar energy technology company.

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X1 Wind

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X1 Wind is a disruptive floating platform developing a floating wind platform for deep waters.

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GRS

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GRS is a vertically integrated company in renewable energy projects.

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Grupotec

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Grupotec is an engineering and consulting company that develops, builds, and finances renewable energy projects.

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Nnergix

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Nnergix is a weather analytics startup focused in the renewable energy industry.

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Solaria Energía y Medio Ambiente

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Solaria is a solar photo-voltaic developer and green power generation company.

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bound4blue

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bound4blue developes foldable and autonomous wingsail system.

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NabraWind Technologies

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NabraWind Technologies is a renewable energy company that designs and develops advanced wind technologies for wind turbine components.

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Fundeen

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Fundeen is a platform that allows individuals to invest in renewable energy projects.

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Clever Solar Devices

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Clever Solar Devices develops technologies for digital transformation and the optimization of the management of photovoltaic solar plants.

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Arkyne Technologies

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Arkyne Technologies specializes in the innovation of renewable energies.

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Solarpack

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Solarpack focuses in the development and operation of large-scale photovoltaic solar projects.

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Hydraredox

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Hydraredox develops and manufacturers electrochemical energy storage based on proprietary vanadium redox technology.

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Ingelia

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Ingelia is a technology-based company specializing in R & D in the renewable energy sector.

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BSQ Solar

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BSQ Solar is a developer and manufacturer of high concentration photovoltaic systems.

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Trovant Technology

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Innovative biotech for environmental and waste treatment applications

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Smalle Technologies

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Smalle Technologies offers sustainable energy solutions for off-grid devices Autonomy and reliability in the sea.

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GFM Fotovoltaica

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GFM Fotovoltaica offers viable photovoltaic solar energy solutions.

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Arrecife Systems

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Arrecife Systems is an energy company that focuses in the field of fluids mechanics, experimenting on the design of turbines and airfoils.

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Enagas

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Enagas is an energy company specialized in the development, operation, and maintenance of gas infrastructures.

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SOLATOM

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SOLATOM sells solar steam to industries with thermal processes.

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Megavatio Control SL

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Megavatio Control SL develops software to acquisition and to treat data in the industrial and energetical sectors.

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Greene Waste to Energy SL

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Greene Waste to Energy SL develops innovative gasification technology for energy recovery of biomass and organic waste.

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EDP Renewables

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EDP Renewables is a company active in the renewable energy sector.

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Centrales Energeticas Ciclonicas S.L.

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Centrales Energeticas Ciclonicas S.L. is a company building power plants for producing energy.

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Fuelium

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Fuelium is involved in the emerging field of paper-based batteries.

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TSR Wind

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TSR Wind designs, constructs, and markets robotic platforms whose mission is the provision of O & M services to wind farms.

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FlexiDAO

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FlexiDAO specializes in developing software for the energy sector.

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Elivere Innovacion

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Elivere Innovacion is an engineering company that offers energy solutions from renewable sources giving costumers sustainable alternatives.

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Sendekia Ingeniería

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Sendekia Ingeniería is an engineering and development company dedicated to designing innovative solutions for the renewable energy industry.

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GEEZAR Soluciones SL

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GEEZAR Soluciones is a technological innovation company aiming to be a reference in the world of monitoring.

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Ingeteam

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Ingeteam is an international group is power and control electronics and electrical engineering and automation projects.

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Dodo

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Dodo Services Pty Ltd is an Australian owned and operated company offering a full range of telecommunications, energy.

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Tewer Engineering

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Tewer Engineering is an engineering company that specializes in solar energy & multisectorial technology.

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Lointek

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Lointek is a private company firmly established in the international market of engineering, supply, manufacture, and service.

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Cysenergy

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CYSNERGY is an engineering company dedicated to the design and installation of intelligent electrical energy management system.

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EKIONA Iluminacion Solar

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EKIONA Solar Lighting is a company which specialized in offering, since 2010, personalized lighting solutions for each specific situation.

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NAUTILUS Floating Solutions

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NAUTILUS Floating Solutions designs, manufactures, installs, operates and maintains floating platforms for offshore wind turbines.

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Reacción UpTheWorld

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Reacción UpTheWorld is a company dedicated to innovation in renewable energy technology and industry with its own products.

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Eco-cars Group

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Eco-cars is a group of private companies, manufacturers, and marketers of the Eco-cars Professional device.

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Enair

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Enair designs and develops wind turbines for homes and small industries, such as farms, greenhouses, and warehouses.

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DiagnóstiQA

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DiagnóstiQA provide services for Project design and definition, Construction, assembly, commissioning and operation.

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Light Prescriptions Innovators

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Light Prescriptions Innovators designs advanced non-imaging and imaging optics.

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Ezzing Solar

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Ezzing Solar is an international company that specializes in the development of online tools for the solar industry.

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Eodiss Systems SL

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Eodiss Systems is an industrial company specialized in the optimization of heat treating processes by means of electromagnetic energy.

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Kwiil

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Kwiil offers the cheap electricity tariff in the market through a savings service with IOT, consumption control, alrams and advice.

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ELECNOR

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Elecnor Deimos is providing engineering and development solution for aerospace, satellite systems, remote sencing, information system.

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Rotary Wave

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Rotary Wave is technology-based company that offers solutions for sustainable development of renewable energy generation industry.

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Fisterra Energy

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Fisterra Energy SL, an energy company, develops, finances, constructs, and operates large scale independent power projects.

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Aliter Group

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Aliter Group is known in the field of the renewable energies in the related areas of engineering, construction, and consulting services.

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Elawan Energy

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Elawan Energy is a vertically integrated company that operates and develops solar power and wind projects.

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Gana Energía

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Gana Energía is an independent low-cost green energy trading company.

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IR Confort

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IR Confort is a company specialized in designing and building Far Infrared (FIR) emission equipment.

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Abengoa

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Abengoa is implementing innovative technological solutions for sustainable development in the infrastructure, energy and water sectors.

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STI Norland

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STI Norland is a designing, manufacturing, and supplying solar trackers and fixed structures for vast size of solar photovoltaic plants.

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POWEN

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POWEN specializes in photovoltaic solar energy that provides solar panels for homes, businesses and farms.

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Flash Park

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Flash Park is a developer of an application that helps to find parking spaces in large cities through a network of sensors.

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Ludan Renewable Energy

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Ludan Renewable Energy is an engineering company with extensive experience in the business of biogas and treatment of bio-wastes.

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d&r ingenieros

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d&r ingenieros is an engineering company focused on the field of energy efficiency and sustainable development.

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COMSA Corporacion

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COMSA Corporacion is the unlisted Spanish group in the infrastructure and engineering sector.

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Baxi

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Baxi is a brand in home air conditioning systems and services.

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NCLAVE

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NCLAVE is a solar tracker system manufacturer.

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Ence Energia y Celulosa

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Ence Energia y Celulosa specializing in the production of eucalyptus pulp and to generate renewable energy with agroforestry biomass.

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Fenie Energia

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Fenie Energia is an energy marketer formed by 1,800 electrical installation companies which is commercial network.

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ODENRA

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Advisoring & Early stage investors in the transformation of the economy through renewable energy, digital transformation & tech-startups

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Husk Ventures

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Husk Ventures converts rice husk into organic biochar to build resilience for smallholder farmers.

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Amara SA

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Amara was born as a result of the integration of business units to provide integrated solutions for renewable energy.

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IMASA

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IMASA is dedicating to project execution as well as to maintenance and assembly of industrial facilities.

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Nantek

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Nantek specializes in energy generation and environmentally-friendly products from mixed-plastic waste for industrial applications.

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Audax Energia

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Audax Energia is a company that sells electricity and gas.

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ACEK Renewables

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ACEK Renewables is an industrial group that operates and supplies components within the renewable energy sector.

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Grupo T-Solar

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Grupo T-Solar is an independent renewable power producer and one of the solar platform in Spain.

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Eolia Renovables

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Eolia Renovables, an independent power producer in the Spanish renewable energy sector.

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Zener

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Zener specializes in the installation and maintenance of renewable energies, telecommunication, mobile, radio networks, and solar plants.

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GNE Finance

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GNE Finance: High Impact Investments

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KoalaLifter

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KoalaLifter designs and develops crane systems for the construction and maintenance of wind farms.

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BluePlasma Power

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BluePlasma Power has its own patented technology that convert solid waste or organic liquids into products with high added value.

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Cox Energy

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Cox Energy is the non-conventional renewable energy industry.

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Grupo Ortiz

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Grupo Ortiz provides society with comprehensive solutions and engineering, energy, construction, environment and concession services.

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Enagas Emprende

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Enagas Emprende is a corporate venture capital that invests in startups and innovative technologies in the energy transition sector.

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Nexus Energia

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Nexus Energía is an energy company whose flagship is the commercialization of electricity and natural gas.

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Kemtecnia

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Kemtecnia provides renewable energy, solar energy and chemical engineering services.

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Windar renovables

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WINDAR renovables offers global solutions for manufacturing of wind towers for wind turbines and offshore foundations.

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SOM ENERGIA SCCL

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Som Energia is a green energy technology firm.

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Bettergy

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Bettergy is an organization committed to a change of the current energy model.

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Vertex Bioenergy

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Vertex Bioenergy develops transport biofuels and manufactures chemical products obtained from renewable resources.

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Greenalia S.A.

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Greenalia is an Independent Energy Producer (IPP) exclusively with renewable technologies.

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Factor Energia

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Factor Energia enerates, transmits, distributes, and markets electricity from renewable sources.

Written by Mark Kendall

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