The Uptime Institute Intelligence's Annual outage analysis report 2025 reveals that power supply issues are the primary cause of impactful datacentre downtime incidents, with uninterruptible power supply (UPS) failures being the most common. Despite an overall decline in outages over the past four years, 54% of respondents reported power-related failures, highlighting the vulnerability of IT equipment to disruptions. The report forewarns that as artificial intelligence demands increase, both power and cooling failures may become more frequent, stressing the importance of reliable power supply and cooling systems in datacentres.
Power supply problems remain the most common cause of 'impactful' datacentre downtime incidents, with UPS issues being the leading factor in these outages.
The report indicates an overall decline in outage frequency for the fourth consecutive year, yet power supply failures still dominate the causes of serious incidents.
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