SMUD Kokhala Power Tower Study

Research output: Contribution to conferencePaper


Kokhala is the name of a new hybridized power tower design which integrates a nitrate-salt solar power tower with a gas turbine combined-cycle power plant. This integration achieves high value energy, low costs, and lower investor risk than a conventional solar-only power tower plant. One of the primary advantages of this system is that it makes small power tower plants much more economicallycompetitive with conventional power generation technologies. This document is an overview of a study that performed a conceptual evaluation of a small (30 MWe) commercial plant suitable for the Sacramento Municipal Utility District's (SMUD) Rancho Seco power plant site near Sacramento, California. The report discusses the motivation for using a small hybrid solar plant and provides an overviewof the analysis methodology used in the study. The results indicate that a power tower integrated with an advanced gas turbine, combined with Sacramento's summer solar resource, could produce a low-risk, economically viable power generation project in the near future.
Original languageAmerican English
Number of pages9
StatePublished - 1997
Event1996 International Solar Energy Conference - San Antonio, Texas
Duration: 31 Mar 19963 Apr 1996


Conference1996 International Solar Energy Conference
CitySan Antonio, Texas

NREL Publication Number

  • NREL/CP-550-23126


  • gas turbine combined-cycle
  • Kokhala
  • nitrate-salt
  • solar


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