G2TT
来源类型Working Papers
规范类型论文
来源IDWP-2010-013
Comparing the Costs of Intermittent and Dispatchable Electricity Generating Technologies
Paul L. Joskow
发表日期2010-09
出版年2010
语种英语
摘要

Paul L. Joskow, September 2010

Economic evaluations of alternative electric generating technologies typically rely on comparisons between their expected life-cycle production costs per unit of electricity supplied. The standard life-cycle cost metric utilized is the "levelized cost" per MWh supplied. This paper demonstrates that this metric is inappropriate for comparing intermittent generating technologies like wind and solar with dispatchable generating technologies like nuclear, gas combined cycle, and coal. Levelized cost comparisons are a misleading metric for comparing intermittent and dispatchable generating technologies because they fail to take into account differences in the production profiles of intermittent and dispatchable generating technologies and the associated large variations in the market value of the electricity they supply. Levelized cost comparisons overvalue intermittent generating technologies compared to dispatchable base load generating technologies. They also overvalue wind generating technologies compared to solar generating technologies. Integrating differences in production profiles, the associated variations in the market value of the electricity supplied, and life-cycle costs associated with different generating technologies is necessary to provide meaningful comparisons between them. This market-based framework also has implications for the appropriate design of procurement auctions created to implement renewable energy procurement mandates, the efficient structure of production tax credits for renewable energy, and the evaluation of the additional costs of integrating intermittent generation into electric power networks.

URLhttp://ceepr.mit.edu/publications/working-papers/47
来源智库Center for Energy and Environmental Policy Research (United States)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/172709
推荐引用方式
GB/T 7714
Paul L. Joskow. Comparing the Costs of Intermittent and Dispatchable Electricity Generating Technologies. 2010.
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