强制性可再生能源组合标准的溢出效应
Shan Zhou1, Barry D Solomon2, Marilyn A Brown3
1Department of Political Science, Purdue University, West Lafayette, IN 47906.
概括
可再生能源投资组合标准 (RPSs) 显著提高了邻近州的可再生能源发电量. 当非RPS国家拥有更大的可再生能源资源时,这种效应更为强烈,突出了政策政策.
科学领域:
- 环境政策 环境政策
- 能源经济学 能源经济学
- 地区研究 地区研究
背景情况:
- 可再生能源投资组合标准 (RPS) 是美国清洁能源政策的关键.
- 以前的研究往往只关注州内影响.
- 了解区域政策溢出效应对于有效的能源规划至关重要.
研究的目的:
- 调查州级RPS政策的区域溢出效应.
- 量化邻国RPS严格性对可再生电力发电的影响.
- 分析一个州自己的可再生资源如何缓解这些溢出效应.
主要方法:
- 利用美国州级可再生电力发电 (1991-2021) 的定向二面板数据集.
- 采用双向固定效应估计来分析州际政策影响.
- 通过邻国和区域输电组织/独立系统运营商 (RTO/ISO) 地区测量区域溢出效应.
主要成果:
- 邻近州的RPS严格性是该州可再生能源发电的重要驱动力.
- 对于没有RPS的州,邻国RPS的积极溢出效应被更大的当地可再生资源放大.
- RPS政策的影响超越了州的边界,这表明以前的研究可能低估了它们的全部影响.
结论:
- 国家RPS政策对邻国产生显著的积极外部效应.
- 当单独分析时,RPS政策的整体影响被低估了.
- 调查结果强调了在制定和评估清洁能源政策时考虑区域动态的重要性.
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