How Princeton Digital Group is Building a Low-Carbon Future

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Princeton Digital Group (PDG) releases its 2024-2025 Sustainability Report, highlighting how it is using AI to achieve its low-carbon sustainability goals

PDG’s report, ‘Building an AI-Powered Low-Carbon Future’, showcases its commitment to industry-leading insights and measurable progress towards its net zero commitment across its expanding regional portfolio. 

Notably, the leading data centre operator in Asia-Pacific (APAC) reveals that it achieved 100% offset of its Scope 1 emissions and 62% Scope 2 emissions covered by procuring renewable energy. Its market-based Carbon Usage Effectiveness (CUE) is 0.30.

“As AI drives the next phase of APAC’s infrastructure growth, we see both extraordinary opportunity and a profound responsibility,” says Rangu Salgame, Chairman, CEO and Co-founder of PDG. “We are pioneering a new era of carbon-conscious digital infrastructure enabling hyperscalers’ growth in the region while safeguarding the environment for future generations. 

“Energy transition and sustainability innovation remain our foremost priorities as we scale to meet the unprecedented demands of the AI era.”

Rangu Salgame, Chairman, CEO and Co-founder of PDG

Key highlights from PDG’s 2024-2025 report

2024 was a landmark year for Princeton Digital Group (PDG), with the company growing its portfolio by more than 50%. As a result, it surpassed one gigawatt (1GW) of IT capacity with new sites across APAC and delivered some of the largest data centres in the region across Mumbai, Johor, Tokyo and Greater Beijing.

Its sustainability report, which was developed in accordance with the Global Reporting Initiative (GRI) Standards 2021, charts the company’s goals and progress against each of its material topics. 

It features PDG’s comprehensive governance structure which is designed to enhance transparency and accountability in its sustainability efforts. 

PDG also says that the 2024 greenhouse gas (GHG) emissions are externally assured by a reputed third-party audit firm.

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Leadership in Sustainable Financing

PDG secured US$728m in green loans for projects across Johor, Singapore, Jakarta, Tokyon and Mumbai. This was by leveraging its comprehensive Green Finance Framework (GFF). 

Looking ahead, the company is committed to ensuring that 100% of financing raised for all greenfield developments is aligned with green or sustainable financing principles.

Health and Safety Excellence

The company achieved a Total Recordable Injury Rate (TRIR) significantly below 1.5 across all sites, reflecting its strong commitment to health and safety. 

Overall, 100% of PDG's greenfield data centres are ISO 45001 certified, the company says.

Renewable Energy Procurement to date

PDG has a 20-year solar Power Purchase Agreement (PPA) secured from a captive project for its data centre in Mumbai and consumes biomass power at its Indonesia data centre through a partnership with Cikarang Listrindo in Greater Jakarta. 

PDG Johor data centre (Image: Princeton Digital Group)

By procuring high quality, regionally sourced RECs across India, Indonesia, China and Malaysia, PDG hopes to remain committed to its sustainability goals. Additionally, it is also expanding on-site solar projects with 2,000 panels of 1 MWp installed at SH1, Shanghai and a 688 kWp solar rooftop project underway at JH1, Johor.

How PDG will continue prioritising sustainable data centre growth

As AI continues to drive unprecedented demand for computing capacity and speed of delivery, data centres are being pushed like never before. AI workloads are also outpacing more efficient compute systems, which is placing inevitable strain on energy systems and water resources. 

This, Rangu Salgame says, is why PDG is acting with urgency and responsibility. 

“The lines between AI, cloud, and internet ecosystems are rapidly blurring. What once seemed like distinct infrastructure stacks are now converging. AI is increasingly underpinning cloud and internet services, enabling new functionalities and driving mainstream adoption,” he explains. 

PDG was responsible for building one of the largest AI data centres in Greater Tokyo (Image: Princeton Digital Group)

“This convergence is making infrastructure more fungible with shared location strategies and larger-scale capacity requirements shaping how and where we build.”

Particularly in the APAC region, AI demand is booming and data centre operators are very keen to invest in this opportunity.

For PDG, this is the time to be operating with sustainability in mind. 

“We recognise that AI brings extraordinary opportunity – but also a profound responsibility. We are meeting this moment head-on: building AI ready data centres that support economic transformation, while advancing climate goals and community well-being across the region,” Rangu says. 

“This requires us to rethink foundational elements – from cooling strategies and power provisioning to construction methods and technology integration. For us, sustainability is embedded at the core of our operating model – informing every decision, every investment and every megawatt we deliver. 

“Energy is central to our strategy – as a key lever for decarbonisation, grid stability and foundational for long-term business resilience. We have an extraordinary opportunity to reimagine the future of technology – one that drives progress, champions climate and community and paves the way for a just, thriving economic future for all.”