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    • What we do
    • Photovoltaic solar energy

    Photovoltaic solar energy 4s614i

    We are harnessing the power of the sun h5v47

    We are champions of photovoltaic solar energy. At Iberdrola, we are committed to the fight against climate change, which has driven us to renewable energy sources in order to make the energy transition a reality.

    As part of the plans to grow in clean energy, solar photovoltaic technology will be ed by 18% of the investments earmarked for renewables in the Strategic Plan 2024-2026, which will increase installed solar capacity by around 2,100 MW, with a portfolio of 1,900 MW. Iberdrola had a total of 7,999 MW of photovoltaic power at the end of the first quarter of 2025.

    What is photovoltaic energy? 1s6e27

    Photovoltaic solar energy is a clean, renewable source of energy that uses solar radiation to produce electricity. It is based on the so-called photoelectric effect, by which certain materials are able to absorb photons (light particles) and release electrons, generating an electric current.

    A semiconductor device called a photovoltaic cell is used for this purpose, which can be made of monocrystalline, polycrystalline or amorphous silicon, or other thin-film semiconductor materials. The cells made from monocrystalline silicon are obtained from a single crystal of pure silicon and achieve maximum efficiency, between 18% and 20% on average.

    Those made from polycrystalline silicon are made in blocks from several crystals, so they are cheaper and have an average efficiency of between 16% and 17.5%. Finally, those made from amorphous silicon have a disordered crystalline network, which leads to a lower performance (average efficiency between 8% and 9%) but also a lower price.

    energía fotovoltaica

      

    Advantages of photovoltaic solar energy 5in3l

    1 2 3 4 5 6 Illustration
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    Inexhaustible and non-polluting

    It does not consume fossil fuels and does not generate waste

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    Universal scope

    Can be obtained anywhere in the world 365 days a year

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    Optimal for rural areas

    A system suitable where power lines do not reach or are difficult to install

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    Storable

    Allows the installation of batteries to store surplus electricity

    More information
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    Modulable according to need

    It can be produced in small generator installations and in large photovoltaic plants

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    Green jobs

    Contributes to the creation of green jobs and local economic growth

    More information

     SEE INFOGRAPHIC: Advantages of photovolaic solar energy [PDF]

    Photovoltaic energy, key in the fight against climate change 2v2zt

    Avangrid begins commercial operation of its Powell Creek solar plant in Ohio
    Avangrid begins commercial operation of its Powell Creek solar plant in Ohio

    04 June 2025

    Iberdrola Australia installs Golden Row at its Broadsound PV plant
    Iberdrola Australia installs Golden Row at its Broadsound PV plant

    26 May 2025

    Iberdrola Mexico signs a PPA with Alstom to drive its commitment to sustainability
    Iberdrola Mexico signs a PPA with Alstom to drive its commitment to sustainability

    20 May 2025

    Iberdrola Italia inaugurates a new photovoltaic plant
    Iberdrola Italia inaugurates a new photovoltaic plant

    16 May 2025

    Neoenergia and the Federal Government of Brazil sign an agreement to provide 100% renewable energy to the Palace of Alvorada
    Neoenergia and the Federal Government of Brazil sign an agreement to provide 100% renewable energy to the Palace of Alvorada

    14 May 2025

    Iberdrola España hits 1,000 solar communities in Spain
    Iberdrola España hits 1,000 solar communities in Spain

    21 April 2025

    Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia
    Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia

    09 April 2025

    Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes
    Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes

    11 March 2025

    Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama
    Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama

    03 March 2025

    How do photovoltaic plants work? 12t5u

    Photovoltaic solar energy is obtained by converting sunlight into electricity using a technology based on the photoelectric effect. It is a type of renewable, inexhaustible and non-polluting energy that can be produced in installations ranging from small generators for self-consumption to large photovoltaic plants. Find out how photovoltaic energy is obtained.

    Ilustración
    • Thanks to the photoelectric effect, the electromagnetic radiation emitted by the sun is converted into electrical energy
    • The alternating electric energy, now suitable for consumption, is distributed along transmission lines
    • Photovoltaic s are formed from cells that absorb light particles (photons) and release electrons or direct electric current
    • The continuous electrical energy produced by the s is converted into alternating current by the inverters
    • Transformers raise the electricity to a medium voltage (up to 36 kV)

     SEE INFOGRAPHIC: How do photovoltaic plants work? [PDF]

    Our most emblematic photovoltaic solar energy projects 3v6d66

    • True North
      True North, Avangrid's largest solar photovoltaic project in Texas
    • Francisco Pizarro
      Francisco Pizarro, the largest photovoltaic plant in Europe
    • Proyecto fotovoltaico Santiago y Hermosillo
      Santiago, our largest photovoltaic plant in the world
    • Lund hill
      Lund Hill, Washington's biggest solar project
    • Cedillo
      The Cedillo photovoltaic project, a real engineering challenge
    • Nuñez de Balboa
      Núñez de Balboa, one of the biggest photovoltaic plant in Europe
    And also
    • 1 We develop a photovoltaic plant in Salamanca
    • 2 We have a new plant in Villarino (Castilla y León)
    • 3 Otero, the second largest photovoltaic plant in Europe
    • 4 Ceclavín, our third photovoltaic project in Extremadura

    Do you want to work with us? 1e1i10

    Renewable energy jobs

    What is photovoltaic self-consumption? 4p246p

    Photovoltaic self-consumption occurs when individuals or companies consume energy produced in photovoltaic generation installations close to the point of consumption. In addition to the solar s themselves, photovoltaic self-consumption installations are made up of other elements such as inverters, cables, connectors and, optionally, batteries. This type of consumption not only saves on electricity bills, but also contributes to curbing climate change by using renewable energies.

    There are two types of photovoltaic self-consumption depending on the destination of the energy that the owner of the installation does not use: self-consumption without surplus, which does not involve the discharge of surplus energy into the grid; and self-consumption with surplus, which allows the injection of surplus energy into the transmission grid.

    More about solar energy 6r4e20

    Qué es la energía solar

    What is solar energy? 376ov

    Solar energy is a renewable and inexhaustible source that allows us to generate electricity from the radiation that reaches us from the sun. Committing to solar energy means committing to the fight against climate change and accelerating decarbonisation.

    Discover solar energy
    Qué es la energía solar

    What is solar energy? 3xu58

    Solar energy is a renewable and inexhaustible source that allows us to generate electricity from the radiation that reaches us from the sun. Committing to solar energy means committing to the fight against climate change and accelerating decarbonisation.

    Discover solar energy
      • 10 relevant of photovoltaic energy
      • How do photovoltaic solar s work
      • Photovoltaic cells: evolution and types
      • Bifacial solar s
      • Solar resource measurement
      • Solar Communities
      • Agrovoltaic energy
      • Solar radiation
      • Recycling of solar s
      • Floating Solar PV
      • History of solar energy
      • Virtual batteries: an energy solution of the future

    Articles from our guest authors

      • ANTARES, accelerating the development of renewable energies
        Foto del Autor
        Ester Cámara
        Foto del Autor
        Estefanía Segovia
      • Do you know about floating photovoltaic solar energy?
        Foto del Autor
        César Yanes
    • photovoltaic self-consumption photovoltaic energy

      Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia xm6s

      Iberdrola Australia , Iberdrola's international business company in Australia, has finished setting up more than 3,800 solar s on the rooftops of Adelaide Airport's domestic and international terminal, almost tripling its previous...

      • Facebook Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia
      • Twitter Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia
      • Linkedin Adelaide Airport triples capacity of its self-consumption system thanks to Iberdrola Australia
      • Whatsapp Whatsapp
      Iberdrola México photovoltaic energy Mexico

      Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes k7251

      Iberdrola Mexico has commissioned a Smart Solar photovoltaic self-consumption system installed for the multinational pharmaceutical Bayer at its vegetable seed production plant in Chiapas, Yax-Nah (‘green house’ in Mayan). The system has an...

      • Facebook Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes
      • Twitter Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes
      • Linkedin Iberdrola Mexico and Bayer commission a photovoltaic self-consumption system to produce sedes
      • Whatsapp Whatsapp
    • photovoltaic self-consumption photovoltaic energy

      Virtual batteries: an energy solution of the future o114n

      Virtual batteries have emerged in the energy market as a practical and sustainable alternative to save, drive and secure the consumption of energy obtained through solar s installed on homes.

      • Facebook Virtual batteries: an energy solution of the future
      • Twitter Virtual batteries: an energy solution of the future
      • Linkedin Virtual batteries: an energy solution of the future
      • Whatsapp Whatsapp
      Iberdrola projects photovoltaic energy

      Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama 465u26

      Iberdrola Italia , Iberdrola's international business company in that country and Pam Panorama, a historic Italian hypermarket and supermarket company, have signed a power purchase agreement (PPA) for a total of 1,000 GWh. The agreement...

      • Facebook Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama
      • Twitter Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama
      • Linkedin Iberdrola Italy to supply green electricity to Italian distribution giant Pam Panorama
      • Whatsapp Whatsapp
    • PERSEO Start-up challenge photovoltaic energy

      Iberdrola and ANCES forces in the search for start-ups to drive photovoltaic tech 3m6v3z

      Iberdrola, through its start-up programme, Perseo , has launched a challenge to develop innovative technological solutions to drive the photovoltaic sector. The electricity company, which has around 8,000 MW of installed capacity worldwide...

      • Facebook Iberdrola and ANCES forces in the search for start-ups to drive photovoltaic tech
      • Twitter Iberdrola and ANCES forces in the search for start-ups to drive photovoltaic tech
      • Linkedin Iberdrola and ANCES forces in the search for start-ups to drive photovoltaic tech
      • Whatsapp Whatsapp
      PERSEO Start-up challenge photovoltaic energy

      We’re looking for innovative solutions to drive the industry 3z364l

      At PERSEO we want to leverage the talent and creativity of start-ups and entrepreneurs to develop technological solutions that drive the solar photovoltaic industry.

      • Facebook We’re looking for innovative solutions to drive the industry
      • Twitter We’re looking for innovative solutions to drive the industry
      • Linkedin We’re looking for innovative solutions to drive the industry
      • Whatsapp Whatsapp
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