

Group 1 - The Hong Kong government has published the "10th Technical Memorandum" to further reduce the emission limits for power plants starting from 2030, with specific annual limits set for sulfur dioxide (2,302 tons), nitrogen oxides (8,350 tons), and particulate matter (317 tons), representing a tightening of 19%, 25%, and 14% respectively compared to the previous limits in the "9th Technical Memorandum" [1] - The Environmental and Ecology Bureau of Hong Kong has considered local electricity demand, the progress of gas-fired power generation by two power companies, and the expected supply of nuclear and renewable energy when determining the new emission limits [1] - Hong Kong Electric Company is constructing a new gas-fired power plant expected to be operational by 2029, which will replace an existing coal-fired plant [1] Group 2 - The air quality in Hong Kong has improved significantly, with concentrations of sulfur dioxide, nitrogen dioxide, and particulate matter decreasing by approximately 45% to 88% from 2004 levels, and low visibility hours reduced by about 82% [2] - In 2022, the power sector accounted for 61%, 27%, and 13% of the total emissions of sulfur dioxide, nitrogen oxides, and particulate matter in Hong Kong, respectively, indicating the importance of tightening emission limits to further improve air quality in Hong Kong and the Pearl River Delta region [2]