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Eclairion Loire-sur-Rhone AI Factory

Loire-sur-Rhone, Auvergne-Rhone-Alpes, FrancePreconstruction
Capacity
350 MW
Planned / design
Lead participant
Eclairion
Developer · Operator
Last updated
Aug 25, 2026
Most recent public record update

About Eclairion Loire-sur-Rhone AI Factory

Eclairion was selected to pursue a high-power AI data center on EDF's former Loire-sur-Rhone thermal-power-station site. Eclairion Loire-sur-Rhone AI Factory is located in Loire-sur-Rhone, Auvergne-Rhone-Alpes, FR and is a data center campus in preconstruction status. Participants include Eclairion as developer, Eclairion as operator, EDF as landowner, High Performance Capital Group as investor. Published specifications include 350 MW of planned capacity. Development comprises Due diligence and construction-lease process (preconstruction), First capacity delivery (proposed), Full Loire-sur-Rhone buildout (proposed). Key milestones include EDF selected Eclairion for Loire-sur-Rhone (2026-05-28) and First capacity expected no later than 2030 (2030). brownfield grid site — 350 MW: Former power-station site selected for up to 350 MW; lease, permits and final grid-service terms remain conditional.

Capacity

Planned / design
Operating capacity—An operating IT-capacity figure has not been publicly disclosed.
Future Potential350 MWActual · Eclairion Loire-sur-Rhone AI Factory

Development

3 phases · 3 milestones
Due diligence and construction-lease processAnnounced Or Preconstruction

Lease and permits are conditional.

First capacity deliveryAnnounced Or Preconstruction

First-tranche MW is undisclosed.

Full Loire-sur-Rhone buildoutAnnounced Or Preconstruction

Official EDF figure; no operating allocation.

Dec 22, 2025
EDF launched site-selection process
Completed
May 28, 2026
EDF selected Eclairion for Loire-sur-Rhone
Completed
Jan 1, 2030
First capacity expected no later than 2030
Forecast

Infrastructure

Electric GridPlanned Or Represented

350 MW

Former power-station site selected for up to 350 MW; lease, permits and final grid-service terms remain conditional.

Project map

0 of 1 project point mapped
Infrastructure facts
1
Mapped records
1
Capacity figures
1

No map point available

Power & interconnection: 1

Facts & sources

Published claims and their source links.

8 facts
Planned Electrical Capacity Up To
350 MW
Actual
EDFEDF 2026 half-year results presentation transcriptBref EcoEDF selects Eclairion for a high-power data center at Loire-sur-RhoneEclairionEDF selected Eclairion for the Loire-sur-Rhone site
Selected By Edf
True
Actual
EDFEDF 2026 half-year results presentation transcriptEclairionEDF selected Eclairion for the Loire-sur-Rhone siteNews Tank EnergiesEDF selects Eclairion for 350 MW Loire-sur-Rhone data center
Site Area Approximately
14 hectares
Actual
Bref EcoEDF selects Eclairion for a high-power data center at Loire-sur-RhoneDCmagEDF selects Eclairion for a 350 MW data center at Loire-sur-Rhone
Former Thermal Power Station Site
True
Actual
Data Center DynamicsEDF selects SoftBank and Eclairion for former power-station AI data centersL'Usine NouvelleEDF again selects Eclairion for former power-station data center
Former Power Station Decommissioned Year
2005
Actual
Data Center DynamicsEDF selects SoftBank and Eclairion for former power-station AI data centers
Due Diligence Underway
True
Actual
Data Center DynamicsEDF selects SoftBank and Eclairion for former power-station AI data centersBref EcoEDF selects Eclairion for a high-power data center at Loire-sur-Rhone
First Capacity Target No Later Than
2030
Actual
Bref EcoEDF selects Eclairion for a high-power data center at Loire-sur-Rhone
Near Zero Water Consumption Design Claim
True
Actual
DCmagEDF selects Eclairion for a 350 MW data center at Loire-sur-Rhone