Letter Report: Critique of the Sargent and Lundy Assessment of Concentrating Solar Power Cost and Performance Forecasts (2002) / Chapter Skim
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Appendix A: Executive Summary from SL-5641
Appendix A: Executive Summary from SL-5641
Pages 25-28
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From page 25... ...
Sargent & Lundy's analysis of the cost-reduction potential of CSP technology over the next 10-20 years included the following: Examination of the current trough and tower baseline technologies that are examples of the next plants to be built, including a detailed assessment of the cost and performance basis for these plants. Analysis of the industry projections for technology improvement and plant scale-up out to 2020, including a detailed assessment of the cost and performance projections for future trough and tower plants based on factors such as technology R&D progress, economies of scale, economies of learning resulting from increased deployment, and experience related O&M cost reductions resulting from deployments.
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From page 26... ...
The two technologies are not at the same stage of commercial development and no effort was made to compare these technologies on a fully consistent basis. ES-3 Trough Technical Summary The cost, performance, and risk of parabolic trough technology are fairly well established by the experience of the existing operating parabolic trough plants.
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From page 27... ...
The design is likely to be demonstrated at the first trough plant to be built in Spain. Replacement of flex hoses with ball joint assemblies in the collector field, significantly reducing HTF pumping parasitics and increasing the potential size of future parabolic trough solar fields.
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From page 28... ...
Key technical advances include: increasing receiver solar flux levels, development of new heliostat designs with significantly lower costs, and the use of new highly efficient steam turbines. Increased receiver flux levels have been demonstrated at the prototype scale and require improved heliostat field flux monitoring/management systems and design optimization for use at large plants.
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