Advanced Conceptual Design for Solar Repowering of the Suguaro Power Plant Vol 1

ABSTRACT:
Solar thermal central receivers can be considered as an emerging alternative renewable energy source. As such they must overcome both engineering and economic challenges. The events of the last few years have shown that solar thermal central receivers in both standalone and hybrid

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versions, are technically feasible. Additionally the use of molten salt as a heat transport and thermal storage fluid promises electrical power generation that is independent of the minute to minute variations in sunlight due to partial cloud cover. There have been many studies that show this technology is economically viable, even when competing with coal, providing heliostat cost goals can be approached. The use of third party financing and existing tax incentives increases the economic acceptability of the technology. However, the number of solar thermal central receivers to be built will be severely limited until a valid demonstration plant has been built and operated. The subject of this study is the site-specific character of an excellent demonstration plant.

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