| SoftBank GroupSB EnergySchneider ElectricEDF | France Hauts-de-France and additional France sites | 5,000 MW | planned national AI data center capacity program; first 3.1 GW phase targeted by 2031 | Other | Mixed | | 3 |
| Romanian Ministry of EconomyEuroHPC JURomanian AI Gigafactory Consortium | Romania Cernavoda and Doicesti | 1,500 MW | planned bid / letter of intent through EuroHPC AI Gigafactory process; no selected developer or construction | Nuclear | Sovereign AI | | 3 |
| MGXBpifranceMistral AINVIDIACampus AI | France Seine-et-Marne / Paris region | 1,400 MW | planned AI campus; construction expected H2 2026 with operations targeted from 2028 | Other | Sovereign AI | | 4 |
| OpCoreEDFiliad GroupInfraVia Capital Partners | France Montereau-Vallee-de-la-Seine, Ile-de-France | 700 MW | planned / exclusive negotiations for former power-plant site | Other | Mixed | | 2 |
| Microsoft | Poland Masovian | 500 MW | operational | Mixed | General Cloud | | 1 |
| Microsoft | United Kingdom Greater London | 500 MW | operational | Renewable | Inference | | 2 |
| Microsoft | Sweden Gävle / Sandviken / Staffanstorp | 500 MW | operational | Renewable | Mixed | | 1 |
| Rolls-RoyceUK Government | United Kingdom Europe | 470 MW | planned | Nuclear | General Cloud | | 2 |
| Amazon Web Services | Ireland County Dublin | 450 MW | operational | Renewable | Mixed | | 2 |
| Amazon Web Services | United Kingdom Greater London | 400 MW | operational | Renewable | Mixed | | 2 |
| Google | Netherlands Groningen | 400 MW | operational | Renewable | Mixed | | 2 |
| Microsoft | Ireland County Dublin | 350 MW | operational | Renewable | Mixed | | 2 |
| Bulk Data Centers | Norway Agder | 300 MW | under construction | Other | Training | | 1 |
| Digital Realty | United Kingdom London/Slough | 300 MW | planned | Renewable | Training | | 1 |
| Meta | Sweden Norrbotten | 300 MW | operational | Renewable | Training | | 2 |
| Meta | Denmark Funen | 300 MW | operational | Renewable | Mixed | | 1 |
| Microsoft | Spain Aragón | 300 MW | under construction | Renewable | Unknown | | 1 |
| Microsoft | Netherlands North Holland | 300 MW | operational | Renewable | Mixed | | 2 |
| Meta | Ireland County Meath | 288 MW | operational | Renewable | Mixed | | 2 |
| EcoDataCenter | Sweden Dalarna | 250 MW | under construction | Renewable | Training | | 1 |
| Google | Ireland County Dublin | 250 MW | operational | Renewable | Mixed | | 2 |
| Google | Norway Telemark | 240 MW | under construction | Other | Mixed | | 1 |
| OpenAI, Nscale & Aker | Norway Nordland | 230 MW | under construction | Other | Training | | 1 |
| Equinix | Netherlands North Holland | 200 MW | operational | Renewable | Mixed | | 2 |
| Google | Germany Hesse | 200 MW | operational | Renewable | Mixed | | 2 |
| Google | Denmark South Denmark | 200 MW | operational | Renewable | Inference | | 2 |
| Google | Finland Kymenlaakso | 200 MW | operational | Renewable | Mixed | | 2 |
| Google Cloud & Turkcell | Turkey Marmara | 200 MW | planned | Other | General Cloud | | 1 |
| Scalewayiliad GroupAION Consortium | France France | 200 MW | planned / consortium bid under EU AI Gigafactories framework | Nuclear | Sovereign AI | | 3 |
| Equinix | Germany Hesse | 180 MW | operational | Renewable | AI colocation, hyperscaler interconnect, enterprise AI | | 2 |
| Google | Denmark South Denmark | 180 MW | operational | Renewable | Mixed | | 1 |
| Google | United Kingdom Greater London | 180 MW | operational | Renewable | Mixed | | 2 |
| Start Campus | Portugal Alentejo | 180 MW | under construction | Renewable | Training | | 1 |
| Amazon Web Services | Sweden Stockholm | 150 MW | operational | Renewable | Mixed | | 2 |
| AmazonAWS | Switzerland Zurich | 150 MW | operational | Renewable | General Cloud | | 1 |
| CoreWeave | United Kingdom Greater London and Manchester | 150 MW | operational | Renewable | Mixed | | 1 |
| Hetzner Online GmbH | Germany Saxony | 150 MW | operational | Renewable | Mixed | | 1 |
| Hetzner Online GmbH | Germany Bavaria | 150 MW | operational | Renewable | Inference | | 1 |
| Microsoft | Italy Lombardy | 150 MW | operational | Renewable | Inference | | 2 |
| Yandex | Russia Moscow Oblast | 150 MW | operational | Mixed | Mixed | | 2 |
| Magnora & NEEG | Finland Kanta-Häme | 120 MW | planned | Other | Training | | 1 |
| Microsoft | Austria Vienna | 120 MW | operational | Renewable | Inference | | 1 |
| Polarise | Germany Bavaria | 120 MW | planned | Renewable | Unknown | | 1 |
| Pure Data Centre Group | Ireland Leinster | 110 MW | operational | Gas | Unknown | | 1 |
| FirebirdGovernment of Armenia | Armenia Yerevan (planned) | 100 MW | announced | Other | Mixed | | 1 |
| Google | Italy Lombardy | 100 MW | operational | Renewable | Mixed | | 2 |
| Khazna Data Centers (G42) | Turkey Ankara | 100 MW | planned | Other | Mixed | | 1 |
| Microsoft | Romania Ilfov | 100 MW | planned | Mixed | Azure AI services, Central and Eastern European AI infrastructure | | 1 |
| Microsoft | Spain Community of Madrid | 100 MW | operational | Renewable | Inference | | 2 |
| Microsoft | Poland Masovian | 100 MW | under construction | Other | HPC / Supercomputing | | 1 |