Key Issues for the Economic Viability of Magnetic Fusion Power

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Abstract
This paper examines the economics of magnetic fusion power generation, makes comparisons with other generation sources, and draws attention to some key issues. For other generation sources, the data presented are drawn from published references, but specific studies have been made for magnetic confinement systems. The magnetic fusion costs are benchmarked by comparison with those for ITER, since considerable effort has been invested in establishing the validity of the ITER costs.Estimated fusion generating costs are broadly comparable with fission and fossil fuel costs, and with the more promising of the renewables (not taking into account external cost factors and public acceptability issues). These external factors make it impossible to determine which generating source will be the most attractive in the mid-21st century, and may even preclude the use of some sources, making it strategically important to develop a range of options. Key factors in determining which energy sources are adopted in the 21st ...