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    • Iberdrola Iberdrola
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    • Photovoltaic solar energy

    Photovoltaic solar energy

    We are committed to photovoltaic solar energy

    We promote photovoltaic solar energy. At Iberdrola, we are committed to the fight against climate change, which has led us to commit to renewable energies in order to make the energy transition a reality.

    As part of the plans to grow in clean energy, solar photovoltaic technology will be supported by 24 % of the investments earmarked for renewables in the 2023-2025 Strategic Plan, which will allow us to increase installed solar capacity by 6,300 MW.

    What is photovoltaic energy?

    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 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

    Ilustration
    • Inexhaustible and non-polluting It does not consume fossil fuels and does not generate waste
    • Universal scope Can be obtained anywhere in the world 365 days a year
    • Storable Allows the installation of batteries to store surplus electricity
    • Optimal for rural areas A system suitable where power lines do not reach or are difficult to install
    • Green jobs Contributes to the creation of green jobs and local economic growth
    • Modulable according to need It can be produced in small generator installations and in large photovoltaic plants

    Photovoltaic energy, key in the fight against climate change

    • Solar hybrid plant
      Iberdrola completes construction of Spain's first hybrid wind-solar plant
    • Texas
      We built a photovoltaic plant in Texas to supply power to Facebook
    • Apicultura
      Facilitating beekeeping at Iberdrola’s photovoltaic power plants
    • Akzonobel
      Iberdrola Deutschland’s first turnkey PV system for on-site consumption enters operation
    • Algeruz
      “Solar grazing” is launched in Portugal with some 300 sheep
    • Oregon
      We commission the largest photovoltaic plant in Oregon, USA
    • Planta híbrida
      We build Spain's first hybrid wind-solar plant

    How do photovoltaic plants work?

    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.

    How do photovoltaic power plants work?

    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 panels are formed from cells that absorb light particles (photons) and release electrons or direct electric current
    • The continuos electrical energy produced by the panels is converted into alternating current by the inverters
    • Transformers raise the electrivity to a medium voltage (up to 36 kV)

    Our most emblematic photovoltaic solar energy projects

    • Fernando Pessoa
      We build the Fernando Pessoa plant, the largest photovoltaic project in Europe
    • 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

    What is photovoltaic self-consumption?

    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 panels 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

    What is solar energy?

    Solar energy is a renewable and inexhaustible source that allows us to generate electricity from the radiation that reaches us from the sun. Betting on solar energy means betting on the fight against climate change and accelerating decarbonization.

    Discover solar energy

    Solar radiation: what is its impact on the planet and on humans?

    Solar radiation is the energy emitted by the Sun through electromagnetic waves and life on Earth depends on it. In addition to determining atmospheric and climatological dynamics and trends, it makes plant photosynthesis possible, among other processes. There are several types of radiation with their harmful effects on health, especially on the skin in summer.

    Learn more about solar radiation

    Photovoltaic cells: evolution, types and innovations

    Photovoltaic solar energy is one of the most efficient renewable energy sources today, key to the decarbonisation of the planet. It is based on the photovoltaic cell, an electronic device capable of capturing and transforming light energy into electricity.

    Learn more about photovoltaic cells

    What is solar energy?

    Solar energy is a renewable and inexhaustible source that allows us to generate electricity from the radiation that reaches us from the sun. Betting on solar energy means betting on the fight against climate change and accelerating decarbonization.

    Discover solar energy

    Solar radiation: what is its impact on the planet and on humans?

    Solar radiation is the energy emitted by the Sun through electromagnetic waves and life on Earth depends on it. In addition to determining atmospheric and climatological dynamics and trends, it makes plant photosynthesis possible, among other processes. There are several types of radiation with their harmful effects on health, especially on the skin in summer.

    Discover solar energy

    Photovoltaic cells: evolution, types and innovations

    Photovoltaic solar energy is one of the most efficient renewable energy sources today, key to the decarbonisation of the planet. It is based on the photovoltaic cell, an electronic device capable of capturing and transforming light energy into electricity.

    Discover solar energy
    • Ignacio Galán photovoltaic energy onshore wind Iberdrola International

      Iberdrola gets down to business in Australia: construction begins on Port Augusta, its first large-scale hybrid power plant

      Iberdrola gets down to business in Australia with the construction of its first renewable energy project after the friendly acquisition of Infigen Energy, one of the country’s key developers of renewable energy projects. Located in South...

      • Facebook Iberdrola gets down to business in Australia: construction begins on Port Augusta, its first large-scale hybrid power plant
      • Twitter Iberdrola gets down to business in Australia: construction begins on Port Augusta, its first large-scale hybrid power plant
      • Linkedin Iberdrola gets down to business in Australia: construction begins on Port Augusta, its first large-scale hybrid power plant
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      photovoltaic energy Portugal

      Iberdrola strengthens commitment to Portugal with the latest photovoltaic auction, bringing its renewable capacity to over 1,500 MW

      Iberdrola reinforces its commitment to renewables in Portugal, following today’s announcement of the official results for the recent capacity auction, where the company has been awarded a connection to the grid in the Algarve for a hybrid...

      • Facebook Iberdrola strengthens commitment to Portugal with the latest photovoltaic auction, bringing its renewable capacity to over 1,500 MW
      • Twitter Iberdrola strengthens commitment to Portugal with the latest photovoltaic auction, bringing its renewable capacity to over 1,500 MW
      • Linkedin Iberdrola strengthens commitment to Portugal with the latest photovoltaic auction, bringing its renewable capacity to over 1,500 MW
      • Whatsapp Whatsapp
    • Ignacio Galán photovoltaic energy onshore wind hydroelectric power Iberdrola International

      Galán: “Ibero-America has everything it needs — natural hydroelectric, wind and solar resources — to be a powerhouse for the green economy”

      “Improving cooperation and dialogue among governments, institutions and private enterprise in Ibero-America is more critical than ever as we move toward a sustainable, competitive energy system while fostering growth, job creation and social...

      • Facebook Galán: “Ibero-America has everything it needs — natural hydroelectric, wind and solar resources — to be a powerhouse for the green economy”
      • Twitter Galán: “Ibero-America has everything it needs — natural hydroelectric, wind and solar resources — to be a powerhouse for the green economy”
      • Linkedin Galán: “Ibero-America has everything it needs — natural hydroelectric, wind and solar resources — to be a powerhouse for the green economy”
      • Whatsapp Whatsapp
      photovoltaic energy

      Iberdrola begins construction on its first photovoltaic plant in Aragon

      Iberdrola is moving forward with the process of leading the energy transition in Spain with the start of construction on its first photovoltaic plant in Aragon, with 50 MW of installed power, located in the municipality of Azaila, in Teruel...

      • Facebook Iberdrola begins construction on its first photovoltaic plant in Aragon
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      • Linkedin Iberdrola begins construction on its first photovoltaic plant in Aragon
      • Whatsapp Whatsapp
    • photovoltaic energy Portugal

      Iberdrola is entering the solar market in Portugal by building 149 megawatts

      Iberdrola has been awarded 149 MW of photovoltaic solar power in Portugal, which the company will use to start developing this type of technology in the country. This capacity is divided between two regions (the Algarve and the Tajo Valley),...

      • Facebook Iberdrola is entering the solar market in Portugal by building 149 megawatts
      • Twitter Iberdrola is entering the solar market in Portugal by building 149 megawatts
      • Linkedin Iberdrola is entering the solar market in Portugal by building 149 megawatts
      • Whatsapp Whatsapp
      Ignacio Galán photovoltaic energy investment

      EIB, Spain’s ICO and Iberdrola sign green facility for Europe’s largest PV plant under construction, located in Spain

      The European Investment Bank (EIB ) and the Instituto de Crédito Oficial (ICO ) will finance the development of the Núñez de Balboa photovoltaic (PV) solar plant, which Iberdrola is currently building in Extremadura (Spain). With 500...

      • Facebook EIB, Spain’s ICO and Iberdrola sign green facility for Europe’s largest PV plant under construction, located in Spain
      • Twitter EIB, Spain’s ICO and Iberdrola sign green facility for Europe’s largest PV plant under construction, located in Spain
      • Linkedin EIB, Spain’s ICO and Iberdrola sign green facility for Europe’s largest PV plant under construction, located in Spain
      • Whatsapp Whatsapp
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