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Barajas activates the largest solar park at a commercial airport in Europe
Adolfo Suárez Madrid-Barajas Airport now has the main part of one of the world’s largest airport photovoltaic parks in operation. The installation occupies around 142 hectares within the airport grounds, includes about 215,000 panels and can produce each year as much electricity as around 74,000 households consume.
The operational plant has a nominal capacity of 120 MW and estimated annual production of 242.9 GWh. Aena presents it as the largest photovoltaic installation located at a commercial airport in Europe, a more precise wording than simply calling it the largest solar park on the continent.
The project is not yet complete. The full complex will consist of three plants. The main installation will be joined by a 7.5 MW self-consumption facility, currently under construction, and a third 45 MW plant whose project is still at the drafting stage.
When all three are ready, Barajas will reach a combined nominal capacity of 172.5 MW and will be able to produce around 333.9 GWh a year. According to Aena, that generation will be equivalent to 100% of the airport's annual electricity needs.
That also does not mean that Barajas will operate exclusively on solar energy at all hours. Photovoltaic production changes according to the time of day and weather conditions; the 100% comparison refers to the equivalent annual energy balance.
The panels do not form a single continuous expanse visible next to the terminals. They are distributed across different plots within the vast airport complex, using land that does not interfere with flight operations. Their combined surface area is equivalent to approximately 200 football pitches.
The installation forms part of Aena's 2021–2030 Climate Action Plan, which envisages more than €750 million in sustainability measures. Barajas also has other energy projects, such as a future geothermal installation for climate control that will have up to 400 wells 140 metres deep.
The photovoltaic park does not directly alter passengers' everyday experience: it does not change access routes, terminals or flight operations. Its impact lies mainly in the energy consumption of one of Madrid's largest infrastructures and in reducing the conventional electricity needed to keep it operating.
The main plant is already producing electricity. The next step will be to complete the two remaining installations to reach the planned 172.5 MW and turn the complex into a system capable of generating annually the equivalent of all Barajas' electricity consumption.