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The merit-order effect in the Italian power market: The impact of solar and wind generation on national wholesale electricity prices

机译：意大利电力市场的绩效效应：太阳能和风能发电对全国批发电价的影响

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摘要

Italy promoted one of the most generous renewable support schemes worldwide which resulted in a high increase of solar power generation. We analyze the Italian day-ahead wholesale electricity market, finding empirical evidence of the merit-order effect. Over the period 2005-2013 an increase of 1 GWh in the hourly average of daily production from solar and wind sources has, on average, reduced wholesale electricity prices by respectively 2.3€/MWh and 4.2€/MWh and has amplified their volatility. The impact on prices has decreased over time in correspondence with the increase in solar and wind electricity production. We estimate that, over the period 2009-2013, solar production has generated higher monetary savings than wind production, mainly because the former is more prominent than the latter. However, in the solar case, monetary savings are not sufficient to compensate the cost of the related supporting schemes which are entirely internalized within end-user tariffs, causing a reduction of the consumer surplus, while the opposite occurs in the case of wind.
机译：意大利推广了全世界最慷慨的可再生能源支持计划之一，这导致了太阳能发电量的大幅增加。我们分析了意大利的日前批发电力市场，找到了绩效顺序效应的经验证据。在2005年至2013年期间，太阳能和风能的每日平均每小时生产量增加了1 GWh，这使得批发电价平均分别降低了2.3欧元/兆瓦时和4.2欧元/兆瓦时，并加剧了其波动性。随着太阳能和风能发电量的增加，对价格的影响随着时间的推移而降低。我们估计，在2009-2013年期间，太阳能生产比风能生产产生了更高的货币储蓄，主要是因为前者比后者更为突出。然而，在太阳能的情况下，节省的金钱不足以补偿相关支持计划的成本，而相关支持计划的成本完全内部化在最终用户关税内，从而导致消费者剩余减少，而在风能情况下则相反。

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  • 来源
    《Energy Policy》 |2015年第2期|79-88|共10页
  • 作者

    Stefano Clo; Alessandra Cataldi; Pietro Zoppoli;

  • 作者单位

    Department of the Treasury (DT) of the Italian Ministry of Economy and Finance(MEF), Italy,Universita di Milano, DEMM-Department of Economics, Management and Quantitative Methods, Via del Conservatorio 7, Milan, Italy;

    Department of the Treasury (DT) of the Italian Ministry of Economy and Finance(MEF), Italy;

    Department of the Treasury (DT) of the Italian Ministry of Economy and Finance(MEF), Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Renewables; Electricity price; Merit-order effect; Feed-in tariff; Italian wholesale power market;

    机译：可再生能源;电价;功绩效应;上网电价;意大利电力批发市场;

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