Technical PaperPublished · August 2026

Modular Data Centres

Lessons from Delivery, Commissioning & Operational Readiness

  • Published August 2026
  • 16 pages
  • Practitioner perspective supported by selected external references
Abstract

Modular delivery can compress programmes and reduce site dependency, but it does not remove project risk. It changes where that risk appears. This paper examines the interfaces, commissioning strategy and operational-readiness conditions that determine whether modular data-centre programmes deliver their intended advantage.

From the paper

Modular is a tool, not a strategy.

Passing the test is not the same as proving the requirement.

The best projects do not start with a modular decision. They start with a delivery strategy.

What the paper covers

Where modular risk actually sits.

01When modular creates genuine delivery value
02Component, system and facility-level modular approaches
03Interface ownership across manufacturers, controls, utilities, commissioning and operations
04FAT, SAT, functional testing and IST
05Why commissioning strategy must influence manufacturing
06Two anonymised CMx case notes from hyperscale modular electrical infrastructure programmes
07Operational readiness and the cost of late decisions
Case notes

Evidence from delivery.

Case note 1

CEP build-out and programme maturity

Smaller CEPs
Planned ~8 weeks · early ~16 weeks · mature ~6 weeks
Larger modules
Planned ~12 weeks · early ~24 weeks · mature ~8 weeks

Access, temporary works and roof sealing were not fully resolved at landing. Once landing-to-operation was engineered as one process, delivery accelerated beyond the original assumptions.

Case note 2

Testing the requirement, not just the asset

A test passed under favourable external conditions did not necessarily prove cooling capacity at peak design ambient. Acceptance evidence must test the requirement, not merely produce a pass result.

Delivered under CMx appointments supporting a global critical-infrastructure vendor. Project and end-client identities are withheld due to confidentiality.

Download the full paper

The full 16-page paper is issued directly to named readers. Provide your details to receive the PDF.

Your details are used to provide this publication and understand who is engaging with CMx research. We do not treat a publication download as consent to receive marketing. See our privacy notice.