CLARION Data projects

Version-specific research record

Core Markham data centre (legacy listing)

Core Data Centres (legacy listing) · Markham, Ontario

Record on-118 · 2026-10-06-83c11c799ab4-public-2026-10-06

Historical published edition. Do not treat these as newer or additional facts. Evidence reviewed through 2026-10-06. Edition publication date: 2026-10-06.

Research record, not a building count. Campus and phase overlap may exist; do not add capacity values.

Current record profile · This edition’s record JSON · Edition overview

Identity provenance

Ownership

Historical listing

Core Data Centres maintains a legacy technical listing for its Markham facility. The retrieved primary page does not display a street address, so its exact relationship to Cologix TOR5 is not established here.

Evidence date
Undated source
Checked
2026-10-05
Scope
Facility
Evidence type
Reported
Status describes
Legacy operator facility reference

Permanent claim link · Claim pub-ontario_a-on-118-1

Citation text (select to copy)

Clarion Solutions. Core Markham data centre (legacy listing). Canadian Data Centre Atlas. Record on-118; claim pub-ontario_a-on-118-1. Edition 2026-10-06-83c11c799ab4-public-2026-10-06 (publication date: 2026-10-06); evidence review through 2026-10-06. Claim evidence date: undated; source checked: 2026-10-05. https://data.clarionsolutions.ca/canada-data-centres/editions/2026-10-06-83c11c799ab4-public-2026-10-06/records/on-118/#claim-pub-ontario_a-on-118-1

Cite the linked primary evidence as well. Publication and access dates do not establish current operations.

Capacity

Historical marketing

Core’s legacy sheet describes two active 8 MW utility feeds and markets 16 MW total; redundancy means these are not automatically additive usable IT power.

Evidence date
Undated source
Checked
2026-10-05
Scope
Facility
Evidence type
Reported
Status describes
Capacity at stated basis and scope
Quantity type
Utility
Basis
legacy advertised combined feeds; non-additivity unresolved
Reported quantity
16 MW

Permanent claim link · Claim pub-ontario_a-on-118-2

Citation text (select to copy)

Clarion Solutions. Core Markham data centre (legacy listing). Canadian Data Centre Atlas. Record on-118; claim pub-ontario_a-on-118-2. Edition 2026-10-06-83c11c799ab4-public-2026-10-06 (publication date: 2026-10-06); evidence review through 2026-10-06. Claim evidence date: undated; source checked: 2026-10-05. https://data.clarionsolutions.ca/canada-data-centres/editions/2026-10-06-83c11c799ab4-public-2026-10-06/records/on-118/#claim-pub-ontario_a-on-118-2

Cite the linked primary evidence as well. Publication and access dates do not establish current operations.

Power

Historical

The legacy sheet lists three 1.5 MW diesel generators and schedules two 2 MW units for second-quarter 2023. Installation of the scheduled units is not established.

Evidence date
Undated source
Checked
2026-10-05
Scope
Facility
Evidence type
Reported
Status describes
Power supply or backup configuration

Permanent claim link · Claim pub-ontario_a-on-118-3

Citation text (select to copy)

Clarion Solutions. Core Markham data centre (legacy listing). Canadian Data Centre Atlas. Record on-118; claim pub-ontario_a-on-118-3. Edition 2026-10-06-83c11c799ab4-public-2026-10-06 (publication date: 2026-10-06); evidence review through 2026-10-06. Claim evidence date: undated; source checked: 2026-10-05. https://data.clarionsolutions.ca/canada-data-centres/editions/2026-10-06-83c11c799ab4-public-2026-10-06/records/on-118/#claim-pub-ontario_a-on-118-3

Cite the linked primary evidence as well. Publication and access dates do not establish current operations.

Cooling

Historical

Core describes N+1 cooling with DX backup and a planned Markham District Energy chilled-water connection; completion of the planned connection is unverified.

Evidence date
Undated source
Checked
2026-10-05
Scope
Facility
Evidence type
Reported
Status describes
Cooling system at stated scope

Permanent claim link · Claim pub-ontario_a-on-118-4

Citation text (select to copy)

Clarion Solutions. Core Markham data centre (legacy listing). Canadian Data Centre Atlas. Record on-118; claim pub-ontario_a-on-118-4. Edition 2026-10-06-83c11c799ab4-public-2026-10-06 (publication date: 2026-10-06); evidence review through 2026-10-06. Claim evidence date: undated; source checked: 2026-10-05. https://data.clarionsolutions.ca/canada-data-centres/editions/2026-10-06-83c11c799ab4-public-2026-10-06/records/on-118/#claim-pub-ontario_a-on-118-4

Cite the linked primary evidence as well. Publication and access dates do not establish current operations.