Data Center Colocation Costs in France: Q3 2026 Price Index

Data centers

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Q3 2026 · 2026-10-01 · H2 2025 – Q2 2026 · CBRE, Global Data Center Trends 2026 (17 June 2026), Fig. 5 — Q1 2026, 250–500 kW · 20 Tier III/IV · 10 AI-ready · 829+ MW · sources

How this market compares

Round-trip times are measured figures from the latency matrix; power tariffs from the index. Cross-connects add $50–$350 per month each on top of any rate. Round-trip · The Index

Why prices sit where they do

France's advantage over its large neighbours is the tariff: commercial electricity at $0.185/kWh runs roughly a third below Germany's $0.283 and under half the United Kingdom's $0.442. The catalog now tracks 29 French sites across four operators — Equinix (10, all in Paris), Digital Realty/Interxion (15, split between a nine-building cluster on Paris's northern edge, four Paris Digital Park buildings in La Courneuve, and outlying sites in Marseille, Ferrières-en-Brie and Les Ulis), Data4 (2, Nozay and Marcoussis/Paris-Saclay) and OVHcloud (2, Roubaix and Gravelines). Marseille remains distinct from the Paris cluster as the Mediterranean submarine-cable landing point and natural terminus for traffic heading to Africa, the Middle East and Asia. Only OVHcloud publishes site-level IT power in the catalog (250 MW each at Roubaix and Gravelines); none of the Equinix or Digital Realty buildings discloses a critical-load figure. Domestic operators including OVHcloud and Data4 anchor the market, a straightforward answer to EU data-sovereignty requirements. Note that almost no French facility in the catalog carries a Tier III or IV designation: ask for concurrent-maintainability evidence in the design documents rather than relying on a certification line.