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Nuclear Heat Warms Chinese Cities, Cuts Coal Use
10 Apr
Summary
- Nuclear power plants are providing heat to hundreds of thousands of people in China.
- The Haiyang plant in China has significantly reduced coal use and CO2 emissions.
- Canada's first nuclear district heating project faces challenges due to high costs.
Nuclear power plants are proving to be a viable source for district heating, warming hundreds of thousands of homes in northern China this past winter. The Haiyang nuclear plant's "Warm Nuclear No.1" district heating network, serving cities like Rushong and Weihai, has been expanding since 2019 and aims to reach Qingdao City by December 2025.
This initiative, the largest of its kind globally, has displaced 1.3 million tonnes of coal and cut 2.3 million tonnes of CO2 emissions, improving air quality. The concept of using nuclear heat for district energy dates back over 50 years, with early examples in Sweden. The International Atomic Energy Agency notes growing interest, particularly in regions with existing heating networks, citing efficiency gains.
Canada's first proposed project in Hamilton, Ontario, utilizing heat from McMaster University's research reactor, has stalled. Initial government funding of $1.4 million was allocated, but detailed studies revealed unanticipated costs for a compatible district heating system. The cancellation of the federal consumer carbon tax further impacted the project's economic viability.
Despite this setback, efforts continue to explore nuclear district heating in Canada. Experts suggest integrating this technology during the design phase of new reactors adds minimal cost and offers significant societal benefits. However, a "chicken and egg situation" persists, where utilities await heat sources and plants await networks, necessitating government leadership for advancement.
