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CARTIS

Vantage QC6 Montreal Data Center

Montreal, Quebec, CanadaOperating
Evidence
Planned critical IT
30 MW
Updated
Oct 28, 2026
Utility
Hydro-Québec

Vantage reports that all QC61 phases were delivered in December 2025. This is a facility-delivery milestone, not a measurement of current utilized IT load. Vantage QC6 Montreal Data Center, also known as Vantage QC6 Montreal III, is a data center project in Montreal, QC, CA associated with Vantage Data Centers. Eight-acre site; one single-story data center; two data modules; 30 MW critical IT capacity. Dedicated 45 MW campus substation connected directly to Hydro-Quebec, renewable power and resilient cooling systems.

Capacity

Reported capacity

Design

30 MW

Source

Reported capacity

Planned / design or future potential

30 MW

Source

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

Operating facility and documented expansionOperational

30 MW is the operator-published facility or campus design boundary.

Participants

Vantage Data Centers

Developer

Sources by role
Developer (1)
Other participants (1)
Hydro-Québec

Utility provider

Sources by role
Utility provider (1)

Site & development

Location context

Actual

Vantage QC6 Montreal III | Montreal | QC | CA

Source

Location context

Actual

Vantage QC6 Montreal III | Montreal | QC | CA

Source

Location context

Actual

Montreal, QC, CA

Source

Development detail

Actual

Eight acre site; one single story data center; two data modules; 30 MW critical IT capacity.

Source

Additional project facts

Lifecycle status

Actual

Operational

Source

Capacity basis

Actual

Vantage Data Centers publishes 30 MW of critical IT capacity for this record boundary.

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

30 MW facility or campus design capacity.

Source

Project boundary

Actual

Vantage QC6 Montreal III

Source

Lifecycle status

Actual

Operating

Source

Capacity basis

Actual

30 MW facility or campus design capacity.

Source

Infrastructure & permits

Technical details (3)
Electric grid

Energized

Dedicated 45 MW campus substation connected directly to Hydro-Quebec, renewable power and resilient cooling systems.

Cooling system

Operational

Operator describes resilient cooling; Public sources do not establish water use or delivered capacity beyond the cited project specification.

Electric grid

Energized

45 MW gross

Dedicated Hydro-Québec-connected substation serves a separate 30 MW IT design.

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

Related projects (3)
Vantage QC1 Montreal Data Center

Operating · Montreal, Quebec, Canada

Same locality: Montreal · Shared participant: Hydro-Québec · Shared participant: Vantage Data Centers

Compare in a collection
Vantage QC4 Montreal Data Center Campus

Partially operational · Montreal, Quebec, Canada

Same locality: Montreal · Shared participant: Hydro-Québec · Shared participant: Vantage Data Centers

Compare in a collection
Vantage QC2 Quebec City Data Center Campus

Partially operational · Quebec City, Quebec, Canada

Shared participant: Hydro-Québec · Shared participant: Vantage Data Centers · Same market: Quebec, Canada

Compare in a collection