Solar Electric Generating Station II CSP Project

This page provides information on Solar Electric Generating Station II 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 II
Location: Daggett

United States
Owners (%): Cogentrix
Technology Parabolic Trough
Solar Resource: 2885
Nominal Capacity: 30 MW
Status Decommissioned
Start Year: 1985

Status Date

Status Date December 05, 2021


Expected Generation (GWh/year) 32.5
Lat/Long Location 34.863,-116.827


Developer Luz
Operator Cogentrix
Electricity Generation Offtaker Southern California Edison


Total Construction Cost (2017) 135.00 million
Total Cost USD (2020) $272.46 million
Specific Cost/kW USD (2020) $ 9082
LCOE USD/kWh (2020) $ 0.72
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) 190338
Collector/Heliostat Engineering or IP Owner Luz
Collector/Heliostat Model LS-1
Mirror Manufacturer Flabeg
Mirror Model RP2

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) 316°C
Receiver Manufacturer Solel
Receiver Model UVAC

Power Block

Nominal Turbine or Power Cycle Capacity 30 MW
Power Cycle Pressure (Bar) 40
Turbine Efficiency Percent 29.4
Cooling Type Wet