Business lines in Spain

From energy generation to energy marketing, Iberdrola España leads the energy transition in the country

With a century-old history of experience, Iberdrola España is currently the leader in renewable energy in the Spanish energy sector thanks to its wide variety of business lines. To drive the energy transition in the country and thus reinforce the commitment to creating a cleaner and greener future, has 23,225 MW of renewable energy installed in Spain at the end of the first quarter of 2026.

From the generation to the commercialisation of energy, Iberdrola España offers a diversity of products, services and solutions designed to meet the needs of each customer and/or company, thus acting in different lines of business to help create a greener future for millions of Spaniards.

Electricity distribution in Spain

In our aim to lead the transformation of distribution grids towards a more intelligent, reliable and secure infrastructure, i-DE, the Iberdrola Group's distribution company, is responsible for supplying electricity wherever it is needed, as well as maintaining the grids.

We have a customer base of more than 11 million customers and our electricity network extends over 10 autonomous communities and 25 provinces, covering a territory of 270,000 km2.

Power generation in Spain

In order to accelerate the energy transition and strengthen our commitment to the environment, at Iberdrola España we are committed to use renewable energies. Discover how we generate energy in Spain through solar energy, hydroelectric energy, wind energy and green hydrogen.

Hydroelectric power

At Iberdrola España, we consider hydroelectric power to be the key to a cleaner and more sustainable energy future. With an installed capacity of more than 11,000 MW in more than 120 hydroelectric plants throughout Spain, we supply hydroelectric energy to close to 8 million homes.

Onshore wind energy

After two decades working with renewables, we are now the world leader in onshore wind energy. Our wind farms, spread throughout Spain, have a total installed capacity of more than 6,653 MW, a figure that allows us to supply electricity to more than 6 million homes.

Wind farm with turbines in a rural landscape.

Photovoltaic solar panels capturing energy at sunset.

Solar energy

Spain, at the forefront in terms of hours of sunshine, is positioned as one of the European countries with the greatest potential for harnessing solar resources. From the sunny fields of Andalusia to the northern regions, at Iberdrola España solar energy generation is one of our priorities.

Green hydrogen

Green hydrogen is emerging as a great alternative in terms of sustainable mobility. At Iberdrola España, we are leading its global development. Thus, we have the largest green hydrogen plant in Europe in Puertollano and we are the first company to receive the AENOR renewable hydrogen certificate.

Nuclear power plant with cooling towers emitting steam.

Nuclear energy

Nuclear energy in Spain contributes around 20% on average to the energy mix, making it a key component of the electricity system as a source of generation and also as a guarantee of stability and reliability in the face of disturbances or network fluctuations.

Commercialisation: We offer complete energy solutions for customers in Spain

Through its marketing company, Iberdrola España offers a variety of products and services that promote efficiency, energy savings and care for the environment. Our knowledge and experience in digital, intelligent, and innovative solutions supports us in providing the best service to our customers. Thus, we provide you with complete energy solutions that meet both your personal needs and those of your company or community.