Performance Modeling and Techno-Economic Analysis of a Modular Concentrated Solar Power Tower with Latent Heat Storage

Gregory Glatzmaier, Philip Parilla, David Ginley, Eric Toberer, Jonathan Rea, Christopher Oshman, Corey Hardin, Nathan Siegel, Michele Olsen

Research output: Contribution to journalArticlepeer-review

53 Scopus Citations

Abstract

In this paper, we present performance simulations and techno-economic analysis of a modular dispatchable solar power tower. Using a heliostat field and power block three orders of magnitude smaller than conventional solar power towers, our unique configuration locates thermal storage and a power block directly on a tower receiver. To make the system dispatchable, a valved thermosyphon controls heat flow from a latent heat thermal storage tank to a Stirling engine. The modular design results in minimal balance of system costs and enables high deployment rates with a rapid realization of economies of scale. In this new analysis, we combine performance simulations with techno-economic analysis to evaluate levelized cost of electricity, and find that the system has potential for cost-competitiveness with natural gas peaking plants and alternative dispatchable renewables.

Original languageAmerican English
Pages (from-to)143-152
Number of pages10
JournalApplied Energy
Volume217
DOIs
StatePublished - 2018

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

NREL Publication Number

  • NREL/JA-5500-71221

Keywords

  • Concentrated solar power
  • Latent heat storage
  • System modeling
  • Techno-economic modeling
  • Thermodynamic modeling

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