DATA4 MIL01 Cornaredo Campus

Cornaredo, Milan metropolitan area, LOM, ItalyPartially operational

Headline capacity: Not established in published records
Updated: Oct 28, 2026

DATA4's operating MIL01 campus sits in Cornaredo west of Milan and connects to major Italian internet exchanges. Current official language pages disagree on whether the site's power reserve is 170 MW or 217 MW, while the broader Milan platform includes a separate Vittuone campus.

Capacity

Power reserve

Actual

170 MW

Conflicting public evidence

Conflicting source claims

Source

Power reserve

Actual

217 MW

Conflicting public evidence

Conflicting source claims

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

MIL01 operating campusOperational

Current campus; delivered building count and live IT MW unresolved.

DC09 expansionOperational

1 building

Secondary-source milestone; archive the primary DATA4 launch release.

MIL01 reserve/full buildPlanned

Official source conflict remains unresolved; neither value is labeled live IT load.

Milestones (3)

Brookfield closed DATA4 acquisition

Aug 1, 2023 · Recorded actual event

Completed · Financing

Source not linked

DC09 reported inaugurated at Cornaredo

Jun 20, 2024 · Recorded actual event

Completed · Commercial operation

Source not linked

Arjun and Interogo joined DATA4 shareholder base

Aug 1, 2025 · Recorded actual event

Completed · Status changed

Source not linked

Participants

Arjun Infrastructure Partners

Investor

Sources by role

Investor (1)

DATA4 Welcomes Arjun and Interogo to Accelerate Its Growth in Europe · Aug 1, 2025 · Primary

Brookfield Infrastructure

Investor

Sources by role

Investor (1)

DATA4 Welcomes Arjun and Interogo to Accelerate Its Growth in Europe · Aug 1, 2025 · Primary

Investor (1)

Brookfield Infrastructure Q2 2023 letter to unitholders · Aug 3, 2023 · Corroborating

DATA4 Group

Operator

Sources by role

Operator (1)

Data Center in Milan, Italy · Primary

Operator (1)

Data Center Milan, Italie · Corroborating

Interogo Holding

Investor

Sources by role

Investor (1)

DATA4 Welcomes Arjun and Interogo to Accelerate Its Growth in Europe · Aug 1, 2025 · Primary

Other participants (2)

Milan Internet Exchange

Supplier

Sources by role

Supplier (1)

Data Center in Milan, Italy · Primary

TOP-IX

Supplier

Sources by role

Supplier (1)

Data Center in Milan, Italy · Primary

Capital & incentives

Financing records

Equity investment

$2.4bn

Aug 1, 2023

Approximate total Brookfield equity investment in the DATA4 platform. Included only as sponsor-transaction context; it is not MIL01 financing, capex or asset value.

Parties & sources

Brookfield Infrastructure (Sponsor) · DATA4 Group (Other)

Sources (2)

Site & development

Campus area

Actual

20 hectares

Source

Additional project facts

Street address

Actual

Via Monzoro 101–105, Cornaredo

Source

Milan platform telecom providers

Actual

70 providers more than

Source

Milan platform public clouds

Actual

150 clouds more than

Source

Internet exchange connectivity

Actual

MIX; TOP-IX

Source

Shareholder base update

Transaction scope

Arjun and Interogo joined Brookfield

Source

Infrastructure & permits

Technical details (5)

Electric grid

Reported context

170 MW

Current English/Italian MIL01 figure; not live IT load.

Electric grid

Reported context

217 MW

Current French MIL01 figure; not live IT load.

Fiber

Reported context

70 providers more than

Milan platform connectivity count; MIL01-specific split unresolved.

Compute and platform system

Reported context

150 public clouds more than

Milan platform ecosystem count; MIL01-specific split unresolved.

Fiber

Operational

2 named exchanges

MIX and TOP-IX connectivity.

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