Solar Electric Generating Station I CSP Project

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

California
United States
Owners (%): Cogentrix
Technology Parabolic Trough
Solar Resource: 2885
Nominal Capacity: 13.8 MW
Status Decommissioned
Start Year: 1984

Status Date

Status Date July 07, 2021

Background

Expected Generation (GWh/year) 16.5
Lat/Long Location 34.863,-116.827

Participants

Developer Luz
USA
Operator Cogentrix
Electricity Generation Offtaker Southern California Edison

Costs

Total Construction Cost (2017) $ 62.10 million
Total Cost USD (2020) $129.34 million
Specific Cost/kW USD (2020) $ 9372.4
LCOE USD/kWh (2020) $ 0.67
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) 82960
Collector/Heliostat Engineering or IP Owner Luz
USA
Collector/Heliostat Model LS-1
Mirror Manufacturer Flabeg
Germany
Mirror Model RP1

Solar Field (Receiver)

Receiver Working Fluid Calloria mineral oil
Receiver Working Fluid Category Thermal oil/organics
Solar Field or Receiver Outlet Temperture (C) 307°C
Receiver Manufacturer Solel
Israel

Power Block

Nominal Turbine or Power Cycle Capacity 13.8 MW
Power Cycle Pressure (Bar) 40
Turbine Efficiency Percent 31.5
Cooling Type Wet

Thermal Energy Storage

Storage Type 2-tank direct
Storage Capacity (Hours) 3
Storage Description Storage system was damaged by fire in 1999 and was not replaced