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Rooftop PV impacts on fossil fuel electricity generation and carbon dioxide emissions in the pacific northwest.

机译:屋顶光伏发电对西北太平洋化石燃料发电和二氧化碳排放产生影响。

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摘要

This thesis estimates the impacts of rooftop photovoltaic (PV) capacity on electricity generation and CO2 emissions in America's Pacific Northwest. The region's demand for electricity is increasing at the same time that it is attempting to reduce its greenhouse gas emissions. The electricity generated by rooftop PV capacity is expected to displace electricity from fossil fueled electricity generators and reduce CO2 emissions, but when and how much? And how can this region maximize and focus the impacts of additional rooftop PV capacity on CO2 emissions? To answer these questions, an hourly urban rooftop PV generation profile for 2009 was created from estimates of regional rooftop PV capacity and solar resource data. That profile was compared with the region's hourly fossil fuel generation profile for 2009 to determine how much urban rooftop PV generation reduced annual fossil fuel electricity generation and CO2 emissions. Those reductions were then projected for a range of additional multiples of rooftop PV capacity. The conclusions indicate that additional rooftop PV capacity in the region primarily displaces electricity from natural gas generators, and shows that the timing of rooftop PV generation corresponds with the use of fossil fuel generators. Each additional Wp/ capita of rooftop PV capacity reduces CO2 emissions by 9,600 to 7,300 tons/ year. The final discussion proposes some methods to maximize and focus rooftop PV impacts on CO2 emissions, and also suggests some questions for further research.
机译:本文估算了美国西北太平洋地区屋顶光伏(PV)容量对发电和CO2排放的影响。该地区在努力减少温室气体排放的同时,对电力的需求也在增加。屋顶光伏发电所产生的电力有望取代化石燃料发电所产生的电力,并减少CO2排放,但何时何地?以及该地区如何最大化和集中额外屋顶光伏发电容量对CO2排放的影响?为了回答这些问题,根据区域屋顶光伏发电量和太阳能数据估算得出了2009年每小时城市屋顶光伏发电概况。将该配置文件与该地区2009年每小时的化石燃料发电量进行了比较,以确定城市屋顶光伏发电减少了每年的化石燃料发电量和CO2排放量。然后,这些减少预计用于屋顶光伏容量的其他倍数范围。结论表明,该地区额外的屋顶光伏发电能力主要替代了天然气发电机的发电,并表明屋顶光伏发电的时机与化石燃料发电机的使用相对应。屋顶光伏发电每增加Wp /人均,二氧化碳排放量将减少9,600至7,300吨/年。最后的讨论提出了一些最大化和集中屋顶光伏对CO2排放的影响的方法,并提出了一些需要进一步研究的问题。

著录项

  • 作者

    Weiland, Daniel Albert.;

  • 作者单位

    Portland State University.;

  • 授予单位 Portland State University.;
  • 学科 Alternative Energy.;Natural Resource Management.;Climate Change.
  • 学位 M.U.S.
  • 年度 2013
  • 页码 98 p.
  • 总页数 98
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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