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The impact of Production Tax Credits on the profitable production of electricity from wind in the U.S.

机译:生产税收抵免对美国风能发电的有利影响

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摘要

A spatial financial model using wind data derived from assimilated meteorological condition was developed to investigate the profitability and competitiveness of onshore wind power in the contiguous U.S. It considers not only the resulting estimated capacity factors for hypothetical wind farms but also the geographically differentiated costs of local grid connection. The levelized cost of wind-generated electricity for the contiguous U.S. is evaluated assuming subsidy levels from the Production Tax Credit (PTC) varying from 0 to 4 0/kWh under three cost scenarios: a reference case, a high cost case, and a low cost case. The analysis indicates that in the reference scenario, current PTC subsidies of 2.1 0/kWh are at a critical level in determining the competitiveness of wind-generated electricity compared to conventional power generation in local power market. Results from this study suggest that the potential for profitable wind power with the current PTC subsidy amounts to more than seven times existing demand for electricity in the entire U.S. Understanding the challenges involved in scaling up wind energy requires further study of the external costs associated with improvement of the backbone transmission network and integration into the power grid of the variable electricity generated from wind.
机译:开发了一种使用来自气象条件的风力数据的空间财务模型,以研究美国陆上风力发电的收益率和竞争力。该模型不仅考虑了假设的风电场的估计容量因子,还考虑了当地电网的地理差异成本连接。在以下三种成本情景下,假设来自美国生产税收抵免(PTC)的补贴水平在0到4 0 / kWh之间变化,则评估连续美国的风力发电的平均成本,这是三种成本情景:参考案例,高成本案例和低成本案例。成本案例。分析表明,在参考方案中,当前的PTC补贴2.1 0 / kWh在确定风力发电与本地电力市场中常规发电的竞争力方面处于关键水平。这项研究的结果表明,利用当前的PTC补贴,可盈利的风力发电潜力相当于全美国现有电力需求的7倍以上。了解扩大风能所涉及的挑战需要进一步研究与改善相关的外部成本骨干传输网络,并将风产生的可变电力整合到电网中。

著录项

  • 来源
    《Energy Policy》 |2011年第7期|p.4207-4214|共8页
  • 作者单位

    School of Engineering and Applied Sciences, Harvard University, Cruft Lab RM211, China Project, 19 Oxford Street, Cambridge, MA 02138, USA;

    Energy Group, GL Garrad Hassan, 333 SW 5th Ave, Suite 400 Portland, OR 97204, USA;

    Department of Earth and Planetary Sciences and School of Engineering and Applied Sciences, Harvard University, Pierce Hall RM 100G,29 Oxford Street, Cambridge, MA 02138, USA;

    Harvard China Project and School of Engineering and Applied Sciences, Harvard University, Cruft Lab RM 211, China Project, 19 Oxford Street, Cambridge, MA 02138, USA;

  • 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

    production tax credit (ptc); wind-generated electricity; levelized cost of energy;

    机译:生产税收抵免(ptc);风力发电;能源平均成本;

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