Solar-Driven Steam Topping Cycle for a Binary Geothermal Power Plant

Joshua Dominic McTigue, Guangdong Zhu, Daniel Wendt, Kevin Kitz, Joshua Gunderson

Research output: NRELTechnical Report

Abstract

Solar-thermal hybridization is a way to boost power generation of geothermal power plants, especially when the geothermal resource cannot supply the design flow or temperature. A new process using a high-pressure steam topping turbine can almost double the conversion rate of solar energy to power compared to the common practice of solar brine heating, and thus improve economic viability.
Original languageAmerican English
Number of pages68
DOIs
StatePublished - 2018

NREL Publication Number

  • NREL/TP-5500-71793

Keywords

  • binary power cycle
  • brine heating
  • concentrating solar power
  • geothermal
  • hybrid power plant
  • steam topping cycle
  • thermal storage

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