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DOI | 10.1016/j.enpol.2017.08.023 |
Early nuclear retirements in deregulated US markets: Causes, implications and policy options | |
Haratyk, Geoffrey | |
2017-11-01 | |
发表期刊 | ENERGY POLICY |
ISSN | 0301-4215 |
EISSN | 1873-6777 |
出版年 | 2017 |
卷号 | 110 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Electricity prices have fallen significantly since 2008, putting commercial nuclear reactors in the United States under substantial financial pressure. In this market environment driven by persistently low natural gas prices and stagnant electricity demand, we estimate that about two thirds of the 102 GW nuclear capacity are uncompetitive over the next few years under the current trajectory. Among those, 18 GW are retiring or are merchant plants at high risk of retiring prematurely. The potential consequences of the hypothetical withdrawal of 20 GW of nuclear capacity include: 1) a similar to 3.2% increase in carbon emissions of the power sector if replaced by gas-fired units or 2) a significant increase in cost if replaced by renewables. Without a carbon price, out-of-the-market payments would be needed to effectively maintain merchant nuclear capacity. Filling the revenue gap would come at a fleet-average cost of $3.5-5.5/MWh for these plants, which is much lower than the cost of subsidizing wind power. The policy support could take the form of direct zero-emission credits, renewable portfolio standard expansion, or clean capacity market mechanisms. As a last resort, the exercise of a new mothballing status could prevent the irreversible retirement of nuclear power assets. |
英文关键词 | Nuclear Deregulated market Retirement Mothballing Zero-emission credit Carbon |
领域 | 气候变化 |
收录类别 | SCI-E ; SSCI |
WOS记录号 | WOS:000417660800016 |
WOS关键词 | POWER-PLANTS ; ECONOMICS |
WOS类目 | Economics ; Energy & Fuels ; Environmental Sciences ; Environmental Studies |
WOS研究方向 | Business & Economics ; Energy & Fuels ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/18861 |
专题 | 气候变化 |
作者单位 | MIT, 77 Massachusetts Ave, Cambridge, MA 02139 USA |
推荐引用方式 GB/T 7714 | Haratyk, Geoffrey. Early nuclear retirements in deregulated US markets: Causes, implications and policy options[J]. ENERGY POLICY,2017,110. |
APA | Haratyk, Geoffrey.(2017).Early nuclear retirements in deregulated US markets: Causes, implications and policy options.ENERGY POLICY,110. |
MLA | Haratyk, Geoffrey."Early nuclear retirements in deregulated US markets: Causes, implications and policy options".ENERGY POLICY 110(2017). |
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