Alcalá Data Center (ADC) is a major campus near Madrid-Barajas Airport, Spain, operated by Nabiax (formerly Telefónica). With two phases built, ADC delivers 22.3 MW of IT capacity across 10,800 m² of IT space, expandable to 100 MW. ADC 1 (opened 2013) is certified Tier IV and ADC 2 (opened 2021) is built to Tier III standard. The campus is 100% carrier neutral and powered entirely by renewable energy.
