B4 is a data center operated by Air France in Antibes, FR. The facility is currently operational. It sits in the Marseille data-center market on the ENTSOE-FR grid, which DC Hub's Data Center Power Index currently rates AVOID, with an estimated 28.8-month time-to-power. Operators should weigh interconnection risk here — the market screens constrained on grid headroom and time-to-power.
Data Center Power Index verdict for Marseille — the market this facility sits in.
Full DCPI breakdown →DC Hub analyst read on Marseille — the market this facility sits in (full deep-dive →).
Marseille hosts 42 tracked facilities totaling 66 MW, but faces critical grid and power constraints that undermine near-term investment appeal. Digital Realty operates the largest footprint with 8 facilities, followed by Orange with 2 sites, while the remaining 32 facilities are fragmented among smaller operators including Asp Serveur La Ciotat, Colt Technology Services Marseille, and Aix-Marseille Université. The market's geographic position as a Mediterranean hub and sovereign data center presence—highlighted in regional infrastructure discourse—offers strategic value, yet this advantage is offset by immediate operational headwinds that constrain supply expansion. The DCPI verdict of AVOID reflects a market in structural strain. With an excess-power score of 29/100 and constraint score of 58/100, Marseille signals acute power availability and grid connection challenges that will…
Published DC Hub data for this location.
DC Hub tracks 28 operating generating units totalling 350 MW within about 50 km of Antibes, FR. Generation mix shapes both carbon profile and interconnection options for a site at this location.
Source: Global Energy Monitor unit inventory, operating units only. Counts are units, not plants.
Comparable facilities in Antibes tracked by DC Hub — compare power, operators, and grid context across the market.
get_facility slug="air-france-b4-946b2b1a" (endpoint https://dchub.cloud/mcp) for the full cited record. Connect:
https://dchub.cloud/connect?src=page-onramp&entity=air-france-b4-946b2b1a