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首页> 外文期刊>Environmental Science & Technology >Opportunity for Offshore Wind to Reduce Future Demand for Coal-Fired Power Plants in China with Consequent Savings in Emissions of CO_2
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Opportunity for Offshore Wind to Reduce Future Demand for Coal-Fired Power Plants in China with Consequent Savings in Emissions of CO_2

机译：海上风能减少中国燃煤电厂未来需求的机会，从而节省了CO_2的排放

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摘要

Although capacity credits for wind power have been embodied in power systems in the U.S. and Europe, the current planning framework for electricity in China continues to treat wind power as a nondispatchable source with zero contribution to firm capacity. This study adopts a rigorous reliability model for the electric power system evaluating capacity credits that should be recognized for offshore wind resources supplying power demands for Jiangsu, China. Jiangsu is an economic hub located in the Yangtze River delta accounting for 10% of the total electricity consumed in China. Demand for electricity in Jiangsu is projected to increase from 331 TWh in 2009 to 800 TWh by 2030. Given a wind penetration level of 60% for the future additional Jiangsu power supply, wind resources distributed along the offshore region of five coastal provinces in China (Shandong, Jiangsu, Shanghai, Zhejiang, and Fujian) should merit a capacity credit of 12.9%, the fraction of installed wind capacity that should be recognized to displace coal-fired systems without violating the reliability standard. In the high-coal-price scenario, with 60% wind penetration, reductions in CO_2 emissions relative to a business as usual reference could be as large as 200.2 million tons of CO_2 or 51.8% of the potential addition, with a cost for emissions avoided of $29.0 per ton.
机译：尽管在美国和欧洲的电力系统中已经体现了风能发电的信用额度，但中国目前的电力规划框架仍将风能视为不可分配的能源，对公司的发电量贡献为零。本研究对电力系统采用严格的可靠性模型来评估容量信用，应为中国江苏省的海上风电资源满足电力需求提供认可。江苏是长江三角洲的经济枢纽，占中国总用电量的10％。江苏省的电力需求预计将从2009年的331 TWh增长到2030年的800 TWh。鉴于未来江苏新增电力供应的风电渗透率为60％，风能分布在中国五个沿海省份的近海地区山东，江苏，上海，浙江和福建）应获得12.9％的容量信用，这是在不违反可靠性标准的前提下，取代燃煤系统的风电装机容量的一部分。在高煤价情景中，如果风能渗透率为60％，相对于照常营业的基准，CO_2排放量的减少量可能高达2.002亿吨CO_2，或潜在增加量的51.8％，避免了排放成本每吨29.0美元。

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  • 来源
    《Environmental Science & Technology》 |2014年第24期|14764-14771|共8页
  • 作者

    Xi Lu; Michael B. McElroy; Xinyu Chen; Chongqing Kang;

  • 作者单位

    School of Engineering and Applied Sciences Harvard University, Cambridge, Massachusetts 02138, United States;

    School of Engineering and Applied Sciences Harvard University, Cambridge, Massachusetts 02138, United States,Department of Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts 02138, United States, 100C Peirce Hall, 29 Oxford St., MA 02138;

    Department of Electrical Engineering, Tsinghua University, Beijing, 100084, China;

    Department of Electrical Engineering, Tsinghua University, Beijing, 100084, China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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  • 正文语种 eng
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