Several U.S. utilities back out of deal to build Small Nuclear Reactors
Several U.S. utilities back out of deal to build novel nuclear power plant, Science, By Adrian Cho, Nov. 4, 2020 Plans to build an innovative new nuclear power plant—and thus revitalize the struggling U.S. nuclear industry—have taken a hit as in recent weeks: Eight of the 36 public utilities that had signed on to help build the plant have backed out of the deal. The withdrawals come just months after the Utah Associated Municipal Power Systems (UAMPS), which intends to buy the plant containing 12 small modular reactors from NuScale Power, announced that completion of the project would be delayed by 3 years to 2030. It also estimates the cost would climb from $4.2 billion to $6.1 billion………. critics of the project say the developments underscore that the plant, which is designed by NuScale Power and would be built at the Department of Energy’s (DOE’s) Idaho National Laboratory, will be untenably expensive. M. V. Ramana, a physicist who works on public policy at the University of British Columbia, Vancouver, says he’s not surprised that so many utilities have opted out of the project. The question, he says, is why so many are sticking with it. “They ought to be seeing the writing on the wall and getting out by the dozens,” he says. ……… if the NuScale plant doesn’t run constantly at full output, it will be less efficient and even more expensive to operate, in terms of cost per megawatt hour (MWh) of energy, Ramana argues. Peter Bradford, a former member of the Nuclear Regulatory Commission (NRC) and former chair of the state utility commissions in Maine and New York, says renewables coupled with short-term storage in batteries would likely be a cheaper means to even out the supply……. in the 1980s, Washington Public Power Supply System agreed to build several nuclear reactors in Washington that ran far overbudget and were never completed, leading to the biggest default on municipal bonds in U.S. history. Public utilities are particularly vulnerable to such risks, Bradford says, as other than ratepayers they have few sources of revenue that could be used to cover cost overruns. “Not only are there no deep pockets, there are no pockets,” he says. On 28 October, Heber Light & Power in Utah withdrew from the project, just 1 day after utilities in the Utah communities of Bountiful and Beaver pulled out. Still, even critics doubt the UAMPS deal will fall apart immediately. In August, the NuScale design passed a key milestone in the NRC review process, receiving its safety evaluation report, and observers expect final “design certification” to come next year. In the meantime, UAMPS is moving to complete an application to construct and operate the plant, Webb says. That application should be submitted in 2023, construction of the plant should start in 2025, he says. Before construction can start, however, UAMPS still has to line up customers to buy the full 720-megawatt output of the plant, Webb says. So far, UAMPS members involved in the project have agreed to take only a relatively small fraction of that output. So UAMPS may have to convince plenty of other folks that it’s a good deal. https://www.sciencemag.org/news/2020/11/several-us-utilities-back-out-deal-build-novel-nuclear-power-plant |
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