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Equinix PA12x Paris xScale

1-3 Rue Charles Michels, Argenteuil, Île-de-France, FranceUnder construction

Planned / design: 10 MW
Updated: Oct 28, 2026
Utility: RTE

Equinix is constructing PA12x in Argenteuil under the Equinix Hyperscale 2 legal identity, with government records showing a two-stage project through 2026. Equinix PA12x Paris xScale is located in 1-3 Rue Charles Michels, Argenteuil, IDF, FR and is a hyperscale data center in construction status.

Capacity

Aggregate backup generation output

Reported rounded

232 MW

Generation capacity; not IT capacity

Proposed heat recovery capacity

Planned / design or future potential

10 MW

Rooftop pv capacity

Planned / design or future potential

44 kW

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

PA12 first construction halfUnder construction

The 2021 environmental opinion describes the first-half substation and backup-generator scope; completion has not been publicly confirmed.

PA12 second construction halfUnder construction

Second half of the same physical PA12 project; no tenant or operating IT MW disclosed.

Milestones (5)

MRAe issues PA12 environmental opinion

Nov 18, 2021 · Recorded actual event

Completed · Event type not stated

Source not linked

Building permit 09501821O0093 authorized

Nov 9, 2022 · Recorded actual event

Completed · Event type not stated

Source not linked

PA12 work-opening declaration filed

Dec 5, 2022 · Recorded actual event

Completed · Construction started

Source not linked

Supplemental order IC-24-100 entered

Aug 9, 2024 · Recorded actual event

Completed · Event type not stated

Source not linked

PA12x RFS target remains unconfirmed

Q2 2026 · Event timing type not established

Status not stated · Event type not stated

Source not linked

Participants

Developer

Sources by role

Developer (1)

Equinix 2025 Form 10-K · Corroborating

Developer (1)

Data center expansion timeline · Primary

Other participants (4)

City of Argenteuil

Government authority

Sources by role

Government authority (1)

Building permit 09501821O0093 — Equinix Hyperscale 2 · Nov 9, 2022 · Primary

MRAe Ile-de-France

Government authority

Sources by role

Government authority (1)

Environmental authority opinion — PA16 in Argenteuil · Apr 23, 2025 · Corroborating

Government authority (1)

Environmental authority opinion — Equinix Hyperscale 2 PA12 in Argenteuil · Nov 18, 2021 · Primary

Prefecture du Val-d'Oise

Government authority

Sources by role

Government authority (1)

ICPE supplemental orders register — PA12 · Aug 9, 2024 · Corroborating

Government authority (1)

Public inquiry — Equinix Hyperscale 2 PA12 · Jan 13, 2022 · Primary

Utility provider

Sources by role

Utility provider (1)

Environmental authority opinion — Equinix Hyperscale 2 PA12 in Argenteuil · Nov 18, 2021 · Primary

Site & development

Site area

Reported rounded

17,116 square meters

Created floor area

Reported rounded

16,496 square meters

Operating building footprint

Reported rounded

6,936 square meters

Development status

Actual

Under construction / in realization

Construction start declaration

Actual

2022-12-05

Completion declaration present

Actual

False

Technical specifications

Planned grid voltage

Reported rounded

225 kV

Planned grid circuit count

Reported rounded

2 underground circuits

Planned grid route length

Reported rounded

2.5 kilometers

Additional project facts

Facility code

Actual

PA12x / PA12

Legal project name

Actual

Equinix Hyperscale 2 (PA12)

Government record address

Actual

1-3 Rue Charles Michels, Argenteuil

Ready for service verified

Actual

False

Backup generator count

Reported rounded

22 generators

Fuel tank count

Reported rounded

9 tanks

Fuel storage volume

Reported rounded

810 cubic meters

Backup autonomy

Reported rounded

52 hours

Heat recovery delivered

Actual

False

Rooftop pv panels

Reported rounded

130 panels

Jobs direct

Reported rounded

30 jobs

Jobs indirect

Reported rounded

50 jobs

Operating IT capacity disclosed

Actual

False

Specific joint venture investor disclosed

Actual

False

Tenant disclosed

Actual

False

Adjacent pa16 same facility

Actual

False

Infrastructure & permits

Technical details (3)

Electric grid

Planned or represented

225 kV

Onsite generation

Planned or represented

232 MW electrical

Aggregate output of 22 backup generators; this is standby generation, not IT capacity.

Heat reuse

Potential or planned

10 MW thermal

Four 2.5 MW heat exchangers proposed; no executed offtaker or operating delivery established.

Permit · Status not stated

Equinix PA12x / Hyperscale 2

MRAe Ile-de-France

Nov 18, 2021

Sources (1)

Environmental authority opinion — Equinix Hyperscale 2 PA12 in Argenteuil · Nov 18, 2021 · Primary

Permit · Documented

Equinix PA12x / Hyperscale 2

Prefecture du Val-d'Oise

Jan 13, 2022

Sources (1)

Public inquiry — Equinix Hyperscale 2 PA12 · Jan 13, 2022 · Primary

Permit · Status not stated

Equinix PA12x / Hyperscale 2

City of Argenteuil

Nov 9, 2022

Sources (1)

Building permit 09501821O0093 — Equinix Hyperscale 2 · Nov 9, 2022 · Primary

Permit · Issued

Equinix PA12x / Hyperscale 2

Prefecture du Val-d'Oise

Aug 9, 2024

Sources (1)

ICPE supplemental orders register — PA12 · Aug 9, 2024 · Primary

Public-source research. Plans may change. See Evidence for sources and qualifications.

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