UN Study Highlights High Carbon Footprint of Hong Kong Data Centres
Hong Kong's data centres are among the world's most carbon-intensive due to the city's heavy reliance on fossil fuels for energy. By 2030, global data centres could consume 945 terawatt-hours of energy, nearly triple the electricity usage of Pakistan, Bangladesh, and Nigeria combined. Environmental Impact Hong Kong's grid has a carbon footprint 43% higher than the global average, trailing only Indonesia and India. Energy sources in Hong Kong consist of 67% fossil fuels, 32% nuclear, and only 1% renewables. While the global AI infrastructure footprint includes massive water and land usage—potentially consuming water equivalent to the needs of 1.3 billion people—Hong Kong ranks lower in these specific metrics due to its lack of renewable energy reliance, which typically requires more land. AI Energy Consumption Approximately 80% to 90% of energy demand for AI is driven by day-to-day model usage rather than initial training. Image generation requires significantly more energy than text queries, with ChatGPT processing 2.5 billion prompts daily. Rapid growth in AI platforms, such as DeepSeek, has contributed to escalating demand for data processing power. Local Policy and Infrastructure Hong Kong remains a key hub for data centres with 300 internet service providers and extensive submarine cable connectivity. The government is expanding infrastructure, including a new 110,000-square-metre facility in Sandy Ridge. The Electrical and Mechanical Services Department (EMSD) currently manages energy efficiency via its Green Data Centres Practice Guide, which regulates cooling systems and design standards.
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