分区条例对五大湖地区农村公用事业规模太阳能部署及电力系统脱碳的影响
Implications of Zoning Ordinances for Rural Utility-Scale Solar Deployment and Power System Decarbonization in the Great Lakes Region
AI总结:
本研究整合6300项农村社区分区条例与电力系统规划模型,量化美国五大湖地区太阳能分区条例对电力脱碳的影响,发现其大幅降低光伏部署量、推高投资成本,呼吁地方分区法规与区域脱碳目标对齐。
摘要:
美国各地的地方分区条例会限制能源基础设施的开发,包括公用事业规模太阳能光伏发电。尽管这些条例可能是出于保护公众健康与安全的合理目的制定的,但它们可能会阻碍电力行业脱碳或提高其成本。我们通过将6300项农村社区分区条例整合到一个电力系统规划模型中,量化了公用事业规模太阳能分区条例对五大湖地区(伊利诺伊州、印第安纳州、密歇根州、明尼苏达州、俄亥俄州和威斯康星州)电力行业脱碳的作用。与无条例的情况相比,太阳能分区条例使我们研究区域内太阳能光伏的总潜在部署量减少了52%(即1.6太瓦)。然而,目前部署面临的最大分区障碍是未对公用事业规模太阳能作出规定的分区条例。部署限制意味着,要实现10%的光伏发电目标,需要额外增加多达4吉瓦的投资,且光伏投资成本提高5.6%。州层面的变化更为显著,例如威斯康星州因分区限制导致光伏投资减少40%。我们的研究结果强调,需要开展规划工作,使地方分区法律与州及区域目标保持一致。
英文摘要:
Local zoning ordinances across the United States have the impact of restricting development of energy infrastructure, including utility-scale solar photovoltaics. While these ordinances may be developed for legitimate purposes to protect public health and safety, they could impede or increase costs of power sector decarbonization. We quantify the role of utility-scale solar zoning ordinances on power sector decarbonization across the Great Lakes region (Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin) by integrating 6,300 rural community zoning ordinances into a power system planning model. Relative to no ordinances, solar zoning ordinances reduce total potential deployment of solar PV by 52% (or 1.6 TW) across our region. Currently, however, the biggest zoning barrier to deployment is zoning ordinances which are silent on utility-scale solar. Deployment restrictions translate to up to 4 GW greater investment needs and 5.6% greater PV investment costs to achieve a 10% PV generation target. Starker shifts occur at the state level, e.g. Wisconsin sees a 40% reduction in PV investments due to zoning restrictions. Our results underscore the need for planning that aligns local zoning laws with state and regional goals.
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