- April 10, 2025
- Shatabdi Mazumdar
- AI challenges, data centre, grid resilience, Net Zero, power demands, renewable energy, sustainability, thermal management
In FY23, NTT Global Data Centers achieved 51% renewable energy usage for non-IT load globally and secured 1.7 TWh of renewable energy through Power Purchase Agreements (PPAs) to support its transition to achieving Net-Zero emissions in its operations by 2030.
With the release of the first sustainability report for its data center division, NTT Global Data Centers, it continues to drive measurable progress toward its Net-Zero goals with ambitious targets: achieving Net-Zero across Scope 1 and 2 emissions by 2030, and across Scope 1–3 by 2040, ten years ahead of the timeline of the Paris Agreement.
“The rise of AI and digital infrastructure brings unprecedented opportunities, but also a responsibility to build sustainably,” said Doug Adams, CEO and President, NTT Global Data Centers. “We believe technology and environmental stewardship must go hand in hand. Our commitment to Net-Zero extends beyond reducing emissions; it’s about fostering a resilient, inclusive, and future-ready digital ecosystem.”
Report Highlights
To improve efficiency and reduce environmental impact, NTT Global Data Centers is advancing AI-driven cooling technologies, optimizing Power Usage Effectiveness (PUE) across its facilities, and deploying battery energy storage systems to store renewable energy and enhance grid resilience, reducing reliance on fossil fuels during peak demand. These innovations ensure that as AI and digital demands grow, data center sustainability keeps pace.
NTT Global Data Centers’ sustainability initiatives continue to deliver real-world impact across its global operations:
Germany: Waste heat reuse of 2MW will supply heating and warm water to over 1,000 buildings in the Marienpark Berlin commercial district, reducing fossil fuel dependency and maximizing efficiency. Future plans include expanding this initiative to extract up to 37MW of thermal output of the campus in total. NTT Global Data Centers also recently announced another new heat waste recovery project in Berlin that will supply 8MW of thermal waste heat from its data center to a residential district in Berlin.
United Kingdom: Implementation of a reverse osmosis filtration system reduced annual water usage by 35,000m³, cutting chemical waste and generating $120,000 in cost savings per year. Additionally, a smart sensor upgrade in U.K. data centers cut fan energy use by 50%, saving 2.6 GWh annually through optimized temperature and pressure settings, further enhancing energy efficiency and sustainability.
Mumbai, India: Deployment of liquid immersion cooling and direct contact liquid cooling improved energy efficiency by 30%, enabling high-density AI workloads while reducing power consumption.
Looking forward, NTT Global Data Centers is committed to deepening its impact by focusing on emissions reduction through renewable and low-carbon energy procurement and energy efficiency, circular economy principles, and innovative data center design development. The company is expanding its heat reuse initiatives, aiming to provide heating and warm water to even more buildings in multiple communities.
“Sustainable digital infrastructure isn’t just a goal — it’s an imperative,” said Adams. “As AI and digital transformations accelerate, we are committed to integrating smarter energy solutions, advanced technologies, and AI-driven efficiencies to reduce our environmental impact at scale. Driven by innovation and a bold vision for the future, we are reimagining what’s possible for a sustainable, more resilient digital world.”
As the world’s third-largest data center provider, NTT Global Data Centers is backed by more than $10 billion in capital development through 2027 to drive future expansion of its data center business in current and new markets.
For more details on NTT Global Data Centers’ sustainability initiatives and to download the full 2025 Global Sustainability Report, click here.
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Virtus Data Center
VIRTUS Data Centres (VIRTUS) is a trusted global leader in the data centre industry and the UK’s leading data centre company, committed to delivering reliable, resilient and responsible digital infrastructure for our customers. As part of ST Telemedia Global Data Centres (STT GDC), VIRTUS Europe is the home of the cloud in London, and at the heart of Europe. Collectively, the STT GDC Group operates across Singapore, the UK, India, Thailand, South Korea, Indonesia, Japan and the Philippines, providing businesses an exceptional foundation that is built for their growth anywhere. In December 2022, Macquarie Asset Management acquired a significant minority stake in VIRTUS via Macquarie European Infrastructure Fund 7. Macquarie Asset Management is a global asset manager, providing access to specialist investment expertise across a range of capabilities including infrastructure, green investments, real estate, and other sectors. VIRTUS has a proven track record of over a decade designing and operating the UK’s most efficient facilities. Committed to the highest standards of Operational Excellence – safety, security and availability – VIRTUS hires the best people to work in an industry which is increasingly essential to everyone and everything. We are laser focused on responsibly delivering solutions for the benefit of our customers, colleagues, suppliers, the environment and the world, every minute of every day.
