Solar Electric Generating Station IX CSP Project

This page provides information on Solar Electric Generating Station IX CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Solar Electric Generating Station IX
Location: Harper Dry Lake
California United States
Owners (%): NextEra
Technology Parabolic Trough
Solar Resource: 2893
Nominal Capacity: 80 MW
Status Operational
Start Year: 1990

Status Date

Status Date


Expected Generation (GWh/year) 125.04
Lat/Long Location 35.032,-117.348


Developer Luz
Operator NextEra
Electricity Generation Offtaker Southern California Edison


Total Construction Cost (1990) $ 230.00 million
Total Cost USD (2020) $397.92 million
Specific Cost/kW USD (2020) $ 4974
LCOE USD/kWh (2020) $ 0.27
Levelised cost of electricity with 5% weighted average cost of capital and a 25 year payback period, capacity dependent O&M (1.5% of investment cost per year), deflated from Year_operational using the Worldbank's GDP deflator; if station under development or construction then not deflated (assumed cost year 2020)
Support Scheme Type PPA
Policy Support Scheme PURPA Qualifying Facility Independent Power Producer, with special Standard Offer 2 (SO-2) type power purchase agreement to Southern California Edison
Concessional Funding or Other Support PURPA; Accelerated depreciation; Federal and state investment incentives; Solar property tax exclusion

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 483960
Collector/Heliostat Engineering or IP Owner Luz
Collector/Heliostat Model LS-3
Mirror Manufacturer Flabeg
Mirror Model RP3

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide: Therminol VP-1
Receiver Working Fluid Category Thermal oil/organics
Working Fluid Manufacturer Eastman/Solutia
Solar Field or Receiver Outlet Temperture (C) 390°C
Receiver Manufacturer Solel
Receiver Model UVAC

Power Block

Nominal Turbine or Power Cycle Capacity 80 MW
Power Cycle Pressure (Bar) 100
Turbine Efficiency Percent 37.6
Cooling Type Wet

The project data on these pages and in the downloadable CSV file is copyright (©) Institute for Advanced Sustainability Studies (IASS) and others 2022; data by Lilliestam@IASS, Thonig@IASS, Zang@CAS, Gilmanova@CAS and others. The data is licensed under a Creative Commons Attribution 4.0 International License.”