Douglas Donnellan

Douglas Donnellan

Douglas is a Research Analyst at Uptime Institute covering sustainability in data centers. His background includes environmental research and communications, with a strong focus on education.

Latest Research

30 Jul 2025
REPLAY | Uptime Institute 15th Annual Global Data Center Survey Results

The Uptime Institute Global Data Center Survey, now in its 15th year, is the most comprehensive and longest-running study of its kind. The findings in this report highlight the practices and experiences of data center owners and operators in the…

29 Jul 2025
Uptime Institute Global Data Center Survey 2025

The 15th edition of the Uptime Institute Global Data Center Survey highlights the experiences and strategies of data center owners and operators in the areas of resiliency, sustainability, efficiency, staffing, cloud and AI.

23 Jul 2025
AI power fluctuations strain both budgets and hardware

AI training can strain power distribution systems and shorten hardware life - especially in data centers not built for dynamic workloads. Many operators may be underestimating these risks during design and capacity planning.

7 May 2025
REPLAY | Annual data center outage analysis 2025

Preventing outages continues to be a central focus for data center owners and operators. While infrastructure design and resiliency frameworks have improved in many cases, the complexity of modern architectures continues to present new risks that…

2 May 2025
Annual outage analysis 2025

The prevention of outages has always been a top priority for data center owners and operators - but outages do occur. This report analyzes recent Uptime Institute data on IT and data center outages: their causes, costs and consequences.

17 Apr 2025
DORA update: what the EU act means for data centers

Under the EU's Digital Operational Resilience Act (DORA), data centers designated as "critical" for their role in financial services will face direct regulatory oversight and new resiliency requirements.

17 Apr 2025
Data center AI strategies are mixed in early 2025

Nearly one in three operators report that their organization performs AI training and inference in early 2025. Although most operators plan to support AI in the future, current infrastructure strategies offer insight into how future deployments may…

31 Mar 2025
Sustainability requirements rise as climate risks intensify

Most data center organizations conduct climate change/ weather-related resiliency assessments in 2025 — even if it is not a formal requirement. Additionally, many enterprises demand these assessments from their cloud and colocation service…

12 Mar 2025
Cloud cost savings depend on application design

Scalability and cost efficiency are the top reasons enterprises migrate to the cloud, but scalability issues due to application design flaws can lead to spiralling costs - and some workload repatriation to on-premises facilities

28 Feb 2025
AI adds to rising demand for capacity

Capacities continue to grow for both enterprises and colocation providers, with colocation companies expanding more rapidly. Growth in general-purpose IT remains the single greatest driver of rising data center demand overall, but the need to…

14 Feb 2025
Cloud repatriation is overstated

The main reason enterprises are repatriating workloads from the cloud to their own data centers is due to spiraling costs. However, most enterprises are continuing to use several public clouds alongside on-premises facilities in a hybrid IT strategy…

15 Jan 2025
REPLAY | Five data center predictions for 2025

Uptime Intelligence surveys the data center industry landscape to look deeper at what can actually happen in 2025 and beyond based on the latest trends and developments. The stronghold that AI has on the industry is a constant discussion - but how…

14 Jan 2025
Uptime's predictions for 2025: an overview

This summary of the 2025 predictions highlights the growing concerns and opportunities around AI for data centers.

7 Jan 2025
Five data center predictions for 2025

Uptime Intelligence looks beyond the more obvious trends of 2025 and examines some of the latest developments and challenges shaping the data center industry.

6 Jan 2025
Enterprise and colocation operators face rising costs in 2025

Most data center operators plan to spend more in 2025 than the previous year. However, spending strategies vary widely between enterprises and colocation providers, and each faces its own risks from supply chain issues. Results from the Uptime…