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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
    • PERSEO photovoltaic energy

      Iberdrola and Exiom will inaugurate Spain's first large solar factory in spring 6o1f51

      Iberdrola España and the Asturian business group Exiom continue their steps towards the definitive opening of the photovoltaic module factory in Asturias. The first large solar factory in Spain is scheduled to start up next spring. ...

      • Facebook Iberdrola and Exiom will inaugurate Spain's first large solar factory in spring
      • Twitter Iberdrola and Exiom will inaugurate Spain's first large solar factory in spring
      • Linkedin Iberdrola and Exiom will inaugurate Spain's first large solar factory in spring
      • Whatsapp Whatsapp
      decarbonisation photovoltaic self-consumption photovoltaic energy

      Iberdrola will supply clean energy to the Italian Tosano supermarkets 51qy

      Iberdrola continues its commitment to the decarbonisation of the planet. The company will supply clean energy on a long-term basis through a PPA (long-term renewable energy contract) to Tosano supermarkets, which currently has over 19...

      • Facebook Iberdrola will supply clean energy to the Italian Tosano supermarkets
      • Twitter Iberdrola will supply clean energy to the Italian Tosano supermarkets
      • Linkedin Iberdrola will supply clean energy to the Italian Tosano supermarkets
      • Whatsapp Whatsapp
    • Iberdrola projects photovoltaic energy hydroelectric power

      Iberdrola to install Spain's first hybrid hydroelectric and solar plant 5r4q2m

      Iberdrola has obtained environmental approval for Spain's first hybrid photovoltaic and hydroelectric plant with the publication of the Environmental Impact Statement (EIS) in the Official State Gazette (BOE). HIDRO Cedillo, as the project is...

      • Facebook Iberdrola to install Spain's first hybrid hydroelectric and solar plant
      • Twitter Iberdrola to install Spain's first hybrid hydroelectric and solar plant
      • Linkedin Iberdrola to install Spain's first hybrid hydroelectric and solar plant
      • Whatsapp Whatsapp
      photovoltaic self-consumption photovoltaic energy

      Iberdrola's solar community in Cedillo, Europe's best sustainability initiative 5e2q6t

      Iberdrola's community solar project in Cedillo (Extremadura, western Spain) has won the award for best European initiative at SolarPower Europe's Solar Sustainability Award 2023, held in Brussels, which recognises the sector's best...

      • Facebook Iberdrola's solar community in Cedillo, Europe's best sustainability initiative
      • Twitter Iberdrola's solar community in Cedillo, Europe's best sustainability initiative
      • Linkedin Iberdrola's solar community in Cedillo, Europe's best sustainability initiative
      • Whatsapp Whatsapp
    • photovoltaic energy Brazil operating plants

      We built our first photovoltaic plant in Brazil 4d6o6h

      Iberdrola's subsidiary in Brazil, Neoenergia, is already operating the Luzia solar plant, the first it has installed in this South American country. It has 228,000 photovoltaic s with a total installed capacity of 149.3 MWp.

      • Facebook We built our first photovoltaic plant in Brazil
      • Twitter We built our first photovoltaic plant in Brazil
      • Linkedin We built our first photovoltaic plant in Brazil
      • Whatsapp Whatsapp
      decarbonisation photovoltaic energy energy transition

      Solar Resource: Measuring Solar Radiation to Improve Production Estimates 2d3m15

      In order to know precisely how much energy a solar photovoltaic plant will generate, it is necessary to carry out a study of the solar resource available at the site. We tell you how the measurement of the capacity of a solar installation works and why this process is so important.

      • Facebook Solar Resource: Measuring Solar Radiation to Improve Production Estimates
      • Twitter Solar Resource: Measuring Solar Radiation to Improve Production Estimates
      • Linkedin Solar Resource: Measuring Solar Radiation to Improve Production Estimates
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