The Leading 10 Spanish Companies Providing Renewable Energy 

Did you know that there are renewable energy companies in Spain that offer services to reduce the impact on the environment? These services are provided to institutions and families to give them immediate opportunities for savings and investment in the future.

Climate change is a crucial challenge that we’re all facing. Atmospheric carbon dioxide levels are higher than they have been for 800,000 years and rising.

The solution to the problem of climate change lies in the energy transition to massive use of renewable energy sources. In this sense, Spanish renewable energy companies are doing their part to combat this threat to the planet.

These Spanish companies fulfil various functions, focused on the use of energy sources, such as photovoltaic, wind, biomass, geothermal and others. These companies generate high levels of benefits to the environment and are the main weapon against climate change.


1. Solar NRG – Valencia

Since 2003, Dutch company Solar NRG has sold over 550,000 solar panels to its customers. Having opened its new subsidiary in Costa Blanca in 2019, the business is booming. 

Out of all the energy suppliers on the market, we recommend Solar NRG because they can offer valid advice on all of the different types of roofs available. With 18 years of experience in diverse rooves, they can advise you whether it’s high-efficiency, aesthetically pleasing or a more economic type roof is more up your alley. 

With electricity prices in Spain constantly on the rise, make the switch to solar energy and discover how solar energy panels will help you lead a more sustainable life, as well as cut your electricity bill. 

They have a very flexible payment plan available, spanning over a total of up to 120 months, giving you very reasonable monthly prices. 

2. Siemens Gamesa Renewable Energy – Vizcaya

With more than 35 years of experience in the wind energy business, Siemens Gamesa provides proven solutions and reliability. Whatever type of wind turbine or service the customer requires, it has what they need.

The company is involved in the construction and maintenance of onshore and offshore wind farms. With a presence in more than 90 countries, Siemens Gamesa is the largest photovoltaic company in Spain.

Siemens Gamesa’s competitive advantage is that they are involved with all three areas of the wind energy business: onshore, offshore and service. No other company can match this level of business diversification.

3. Alba Renova – Navarra

With over 20 years of experience, Alba Renova is renowned as a pioneer of solar energy in Spain. Its human talent specialises in the development of solar photovoltaic, biomass, solar thermal, as well as mini-wind energy.

Among other services, it offers the client sustainable consultancy, maintenance work, markets 100% renewable energy, and also specialises in the purchase and sale of solar installations.

In order to guarantee that the photovoltaic installations in institutions are based on a rigorous and optimally designed project, Alba Renova provides its professional engineering team for the design, management and supervision of the execution of the installation works carried out by third parties.

4. Bet Solar – Valencia

As distributors of photovoltaic solar energy since 2015, Bet Solar’s main objective is to make photovoltaic energy more accessible, and in turn have a positive impact on the environment. 

This company offers self-consumption services in Spain and provides technical solutions to companies and residences, both nationally and internationally. With more than 15 years of experience, they are specialists in the distribution of photovoltaic solar energy.

At the same time, it offers innovative future prospects through self-consumption with grid connection with and without storage.


5. Nexus Energia – Madrid

This is company promotes self-consumption through the commercialisation of electricity and natural gas. With more than 20 years of experience in the service of the environment, the organisation has a human talent specialised in the following services:

  • Photovoltaic.
  • Wind energy.
  • Cogeneration/Biomass.
  • Hydraulic.
  • Thermosolar.


6. Grupo Aerosol – La Rioja

Providing efficient and affordable renewable energy, Grupo Aerosol champions sustainable energy sources. Their energy is obtained from natural resources, whose environmental impact is minimised and contributes to global sustainability goals. 

Through the processing of organic matter used as an energy source, the company provides renewable energy solutions to companies, residences, communities and municipalities.

Its projects include the installation of a biomass gasification electricity generation plant. Aerosol also plans to carry out work in the areas of: solar energy, biogas, geothermal, wind and more.

7. Greenalia – La Coruña

Known as Spain’s leading green company, it offers its clients the promotion and production of electrical energy with biomass. In order to fulfil its mission, it uses the remains of forest pruning, which are certified by its human talent.

The vision of this renewable energy producer company is to dedicate more time and effort to develop a sustainability plan that will help transform the world, with the aim of making it run on clean energy in particular.


8. Veolia – Catalunya 

Veolia provides customers and the environment with waste, water and energy management solutions. These activities promote sustainable development in homes and industries.

With a presence on five continents, this self-sustainable services company employs approximately 171,000 people. By virtue of this, they offer energy services in various facilities, technical maintenance and energy optimisation of different sites.

Veolia’s vision is to reconcile the development of clean energy production with the necessary protection and improvement of the planet.



9. Local y Sostenible – Salamanca

Local y Sostenible is a company specialising in integral projects of photovoltaic solar energy and self-consumption in Salamanca and surrounding areas. 

As one of the most innovative and reliable companies in the sector, it focuses in particular on the production of photovoltaic modules for more than 15 years. It also offers roofing technology solutions and other services in the field of solar energy.

Dedicated to the design, installation and maintenance of photovoltaic solar energy equipment, Local y Sostenible specialises in installation for homes, companies and public bodies.

The company has more than 15 years of experience in the installation of solar panels for self-consumption in Salamanca and surrounding areas.


10. Solaria – Madrid

Founded in 2002, this company also enjoys a strong reputation in the sector thanks to its firm commitment to solar energy. With multiple projects for the future, the Madrid-based company’s goal is to reach 6.2 GW by 2025.

Most of its revenues come from the management and operation of large photovoltaic plants located in southern Europe. It has a significant presence in Portugal, Greece, Italy and Spain.


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