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Photovoltaic energy is a renewable and clean energy source that uses solar radiation to produce electricity. It can be produced by small generators for self-consumption or in large photovoltaic plants, and is one of the most important renewable energies for achieving decarbonisation goals.

The WindEurope Annual Event was held in 2025 in the Danish city of Copenhagen, and Iberdrola once again took part in the meeting. From April 8 to 10, Copenhagen brought together more than 15,000 professionals from the sector, who were able to listen to experts in different sessions and interact with more than 500 exhibitors, who showed all the innovations in the wind energy market, both inside and outside Europe.

Geothermal energy makes it possible to use heat from inside the earth for electricity, hot water and heating, offering an alternative to fossil fuels. Although it is a type of renewable energy with many years of history, it is still largely unknown. Find out what geothermal energy is, how it works and its advantages.

Electrical substations are essential elements for everything to work correctly and safely in the electricity grid. In substations, electrical energy is transformed, controlled and distributed to end users, but do you know how they work and what types of electrical substations there are?

Telecommunications, after its continuous evolution in recent decades, has become a fundamental and necessary part of the correct operation of the electricity grid. Discover our advances in this field as pioneers in the deployment of telecommunications services associated with the electricity grid.

Onshore wind energy, a clean and inexhaustible source that has been used for centuries, represents one of our main sustainable bets for the future, but there is still a lot of ignorance about how it works. For this reason, we propose 10 relevant terms to understand how it works and to know in detail each of its parts.