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The Uptime Institute 2026 Vendor Survey: 3 Hard Truths About Data Centre Outages
The Uptime Institute's 2026 Vendor Survey reveals three hard truths: AI is mostly used for monitoring (54%) and predictive maintenance (44%) - not fixing problems. Cost savings (56%) and energy efficiency (55%) are the top metrics, not uptime. And human error (30%) and power failures (25%) still cause most outages.
Outage frequency may be declining, but the cost of each outage is rising - one in five now exceed $1 million.
Beyond PUE: Why Total Power Usage Effectiveness (TUE) Is the Metric Liquid Cooling Has Been Waiting For
PUE has been the data centre efficiency standard for years, but it was never designed for liquid cooling. Total Power Usage Effectiveness (TUE) goes deeper - capturing losses not just at the facility level, but inside the servers themselves. With the Uptime Institute’s 2025 survey showing a stagnant average PUE of 1.54, it’s time for a better metric. This article explains what a good TUE looks like, how it compares to PUE, and why liquid‑cooled data centres need TUE to measure what truly matters.
Why Operations Can’t Be an Afterthought: The 20-Year Lesson from 2014
The 20‑Year Payoff: Why Operations Must Lead from Day One
A 2014 Uptime Institute article, “Best Practice Is to Start With the End in Mind,” made a deceptively simple argument: involve data centre operations at the very beginning of any capital project. More than a decade later, that advice is more urgent than ever.
Why? Because a data centre’s design and construction typically take 1‑2 years, but its operational life spans 20+ years. Yet operations is still often treated as an afterthought—brought in only after commissioning, when the biggest opportunities to shape maintainability, efficiency, and total cost of ownership have already passed.
As the article’s author, Lee Kirby, noted: if value engineering happens without operations input, “increased costs over the life of the data center may dwarf any initial savings.” In other words, value is extracted from a data centre by operations, not by the original build.
The solution is to embed operations expertise from day one—and to equip teams with the right frameworks. Turn a decade‑old insight into a 20‑year advantage.
Beyond the Headlines: Why the Iran War Makes Operational Sustainability a Strategic Imperative
Energy Crisis & Operational Sustainability: Why the Iran War Changes the Game
Global energy markets are volatile, and the recent Iran‑related conflict has pushed price stability and supply security to the forefront for Australian critical infrastructure operators. In this environment, relying on carbon offsets alone is not enough—resilience starts with facility and IT efficiency.
As the Uptime Institute’s 2025 article The Two Sides of a Sustainability Strategy makes clear, operators must prioritise operational fundamentals: optimising PUE, reducing water and energy use, and building fuel flexibility. These measures directly insulate facilities from energy shocks, while ecosystem initiatives alone do not.
To build this capability, skilled teams and disciplined processes are essential. The Uptime Institute’s 2014 Operational Sustainability framework provides the proven blueprint.