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Aragón
Nation / PlaceES

Aragón

Spanish autonomous community ranking third globally for data-centre siting; generates 115% of its electricity from renewables.

Aragón placed third worldwide in a May 2026 ranking of sites for new data-centre construction, behind Finland's Kajaani-Tampere cluster and West Texas, ahead of Abu Dhabi and Mesa, Arizona.

Last refreshed: 28 July 2026 · Appears in 2 active topics

Key Question

Will the TSJ Aragón water-rights ruling block Amazon or create a template for European DC challenges?

Timeline for Aragón

#4 22 May
#3 10 May
#2 6 May

Ranked third on REE approvals and 115% renewable surplus

Data Centres: Boom and Backlash: Where the next data centres should go
#2 27 Apr
View full timeline →

Background

Aragón is one of Spain's autonomous communities and has emerged as a contender for large-scale digital infrastructure investment. In a May 2026 industry ranking of the strongest available sites for new greenfield data-centre construction, Aragón placed third worldwide, behind Finland's Kajaani and Tampere region and West Texas, and ahead of Abu Dhabi and Mesa, Arizona.

The ranking weighed four factors that increasingly decide where hyperscale computing capacity gets built: grid headroom, renewable power surplus, water stress, and how quickly local planning consent can be secured. Aragón's third place puts it in direct competition with jurisdictions chasing the same pool of capital that has been diverted away from constrained markets; the same ranking dropped the UK from its top ten after a hyperscaler quantified the country's industrial electricity costs as several times higher than in the US .

As of the ranking's publication, no confirmed hyperscale project tied specifically to Aragón had been announced, so the placement records site potential rather than committed investment.

Common Questions
Is Blackstone's data centre in Aragón Spain going ahead?
Yes. Blackstone's eight-campus first phase in Aragón is construction-ready for Q2 2026. The TSJ Aragón judicial challenge is directed at Amazon's separate campus expansion, not the Blackstone development.Source: data-centres update 2
What is the Ecologistas en Acción challenge in Aragón?
Ecologistas en Acción filed Spain's first data-centre lawsuit at the TSJ Aragón regional high court, contesting Amazon's 30-building, 10-substation expansion on water and infrastructure grounds. No ruling had been issued as of May 2026.Source: briefing analysis
How does Aragón compare to Ireland for European data centre investment?
Aragón has available grid capacity (300+ MW REE approvals) and renewable surplus, while Dublin faces an informal EirGrid moratorium on new large-load connections. Aragón's land and labour costs are lower; the TSJ challenge is the main uncertainty that Dublin's grid constraint does not share.Source: data-centres context
Where is Aragón and what makes it a data centre hub?
Aragón is a semi-arid autonomous community in northeastern Spain, capital Zaragoza, population 1.3 million. Strong wind resources generate 115% of local electricity demand. REE grid approvals, a pro-investment regional government, and low land costs make it Europe's top greenfield alternative to Northern Virginia.Source: data-centres context
Why is Aragón Spain ranked third for new data centres in 2026?
REE has approved 300+ MW of data-centre connections; Aragón generates 115% of its electricity demand from renewables, enabling direct renewable PPAs; Blackstone's eight-campus first phase is construction-ready; and land and labour costs are well below Dublin or Frankfurt.Source: data-centres update 2
Why are data centres being built in Aragón Spain?
Aragón generates 115% of its electricity from wind and solar, Red Eléctrica has approved 300+ MW of DC connections, and Blackstone has an eight-campus development construction-ready for Q2 2026. Low land costs and renewable PPAs make it Europe's most competitive large-scale greenfield DC market.Source: briefing analysis / Fortum
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