税收抵免
经济
可再生能源
风力发电
投资(军事)
业务
财务
货币经济学
公共经济学
工程类
政治学
政治
电气工程
法学
作者
Merrill Jones Barradale
出处
期刊:Energy Policy
[Elsevier]
日期:2010-12-01
卷期号:38 (12): 7698-7709
被引量:175
标识
DOI:10.1016/j.enpol.2010.08.021
摘要
It is generally understood that the pattern of repeated expiration and short-term renewal of the federal production tax credit (PTC) causes a boom–bust cycle in wind power plant investment in the US. This on–off pattern is detrimental to the wind industry, since ramp-up and ramp-down costs are high, and players are deterred from making long-term investments. It is often assumed that the severe downturn in investment during “off” years implies that wind power is unviable without the PTC. This assumption turns out to be unsubstantiated: this paper demonstrates that it is not the absence of the PTC that causes the investment downturn during “off” years, but rather the uncertainty over its return. Specifically, it is the dynamic of power purchase agreement (PPA) negotiations in the face of PTC renewal uncertainty that drives investment volatility. With contract negotiations prevalent in the renewable energy industry, this finding suggests that reducing uncertainty is a crucial component of effective renewable energy policy. The PTC as currently structured is not the only means, existing or potential, for encouraging wind power investment. Using data from a survey of energy professionals, various policy instruments are compared in terms of their perceived stability for supporting long-term investment. ►The case of wind energy investment in the face of PTC uncertainty provides an important study in how industry structure, and in particular the process of contract negotiations, can amplify the impact of public policy uncertainty on corporate investment. ►The finding that contract negotiations in the face of uncertainty are sufficient in themselves to hinder investment implies that the assumption that investment downturns reflect unfavorable economics is unfounded. This assumption falsely discourages interest and investment in wind energy. ►Policy stability should be added to the list of criteria explicitly considered in designing policy incentives to promote renewable energy development. The 2006 Wind Industry Survey shows that industry players associate different degrees of stability (the ability to promote long-term investment) with different types of policy instruments.
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