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Do renewable portfolio standards in the United States stunt renewable electricity development beyond mandatory targets?

机译:在美国的可再生投资组合标准在强制目标超越强制性目标中的特技公司吗?

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摘要

Building upon the literatures of policy stringency, policy effectiveness and clean technological change, this paper explores the question of whether the renewable portfolio standard (RPS) serves as a floor or a cap on renewable electricity capacity deployment in the U.S. In particular, we examine the effect of RPS policy stringency on renewable electricity capacity additions beyond compliance. A panel dataset from 1998 to 2017 is constructed for 28 states that have adopted a mandatory RPS in this timeframe. Using hybrid random effects negative binomial regression models, we find that when constrained by renewable electricity potential capacity (potential capacity 403.4 GW), more stringent RPSs are significantly associated with a lower level of non-RPS related renewable electricity capacity additions. This negative effect of the RPS on beyond RPS compliance renewable electricity development is weakened by the abundance of renewable energy resources. For states endowed with large renewable energy resources, a stringent RPS policy can motivate utilities and other energy producers to invest in renewable electricity capacity beyond the mandatory target. These findings contribute to the policy stringency and policy effectiveness literatures, and improve our understanding of the relationship between clean energy technology adoption and energy policy.
机译:建立政策严格性,政策效率和清洁技术变革的文献,探讨了可再生组合标准(RPS)是否用作美国的可再生电力能力部署的楼层或上限,我们检查了RPS政策严格对可再生电力容量的影响超出合规性。 1998年至2017年的面板数据集是为28个州的建立,该规定在本时间框架中采用了强制性RPS。使用混合随机效应负二项式回归模型,我们发现,当通过可再生电力潜在能力(潜在能力<403.4 GW)而言,更严格的RPS与较低的非RPS相关可再生电力容量增加显着相关。 RPS超越RPS合规可再生电力发展的这种负效应是通过可再生能源丰富的丰富削弱。对于具有大型可再生能源资源的国家,严格的RPS政策可以激励公用事业和其他能源生产商,以投资超出强制目标的可再生电力能力。这些调查结果有助于政策严格和政策效率文献,并改善我们对清洁能源技术采用和能源政策之间关系的理解。

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