Spain's data centre decree is not decided by the 80% renewables rule: it is decided by a PUE of 1.15
On 27 August Spain opened public consultation on the draft royal decree regulating data centres. Coverage stopped at the 80% hourly renewables rule. We read all 32 pages and there are three things inside that almost nobody has reported: the surcharge scale in article 10, reaching 500% on network tolls and charges; a sentence in article 5.2(b) that leaves the customer's data outside the sovereignty the operator declares; and, in our judgement, the number that really filters projects, a PUE of 1.15 in the fourth transitional provision (with a WUE of 0.1 L/kWh), which the preamble itself acknowledges are the class "A" values proposed by the European Commission. Amazon reported a global PUE of 1.14 in 2025 and 1.15 in 2024.
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