Sierra SunTower CSP Project

This page provides information on Sierra SunTower CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Sierra SunTower
Location: Lancaster
California United States
Owners (%): eSolar
Technology Power Tower
Nominal Capacity: 5 MW
Status Currently Non-Operational

Status Date

Status Date


Lat/Long Location 34.731,-118.139


Developer eSolar
Operator eSolar
Electricity Generation Offtaker Southern California Edison
Construction Job Years 130
Annual Operations Jobs 12


Concessional Funding or Other Support Expected 30% Federal Investment Tax Credit (ITC, 5-year MACRS)

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 27670
# of Heliostats (or dishes for dish systems) 24360
Heliostat Aperture Area (m²) (or dish aperature for dish systems) 1
Collector/Heliostat Engineering or IP Owner eSolar

Solar Field (Receiver)

Receiver Working Fluid Water
Receiver Working Fluid Category Water
Tower Height (m) 55
Receiver Manufacturer Babcock & Wilcox
Receiver Model External - Dual-cavity receiver & tubular external receiver

Power Block

Nominal Turbine or Power Cycle Capacity 5 MW
Power Cycle Steam Rankine
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.”