KaXu Solar One CSP Project

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

Project Overview

Power Station: KaXu Solar One
Location: Pofadder
Namakwa District Municipality
Northern Cape South Africa
Owners (%): Abengoa
Technology Parabolic Trough
Solar Resource: 2963
Nominal Capacity: 100 MW
Status Operational
Start Year: 2015

Status Date

Status Date


Break Ground Date 2012
Expected Generation (GWh/year) 330
Lat/Long Location -28.902,19.621


Developer Abengoa
EPC Abener, Teyma
Electricity Generation Offtaker Eskom


Total Construction Cost (2015) $ 860.00 million
Total Cost USD (2020) $903.08 million
Specific Cost/kW USD (2020) $ 9030.8
LCOE USD/kWh (2020) $ 0.24
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)
Remuneration ZAR/kWh 2.69
Remuneration Start Year 2015
Remuneration USD/kWh Deflated (2020) 0.22
Support Scheme Type PPA
Concessional Funding or Other Support Development Bank of South Africa $146 million, €220 million EIB; IFC $125 million, mobilization of senior loan from CTF $26.5 million,

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 800000
# of Solar Collector Assemblies (SCAs) 1200
# of Loops 300
# of SCAs per Loop 4
# of Modules per SCA 10
Collector/Heliostat Manufacturer Abengoa
Collector/Heliostat Engineering or IP Owner Abengoa
Collector/Heliostat Model E2
Mirror Manufacturer Rioglass

Solar Field (Receiver)

Receiver Working Fluid Thermal Oil
Receiver Working Fluid Category Thermal oil/organics
Receiver Manufacturer Schott
Receiver Model PTR 70

Power Block

Nominal Turbine or Power Cycle Capacity 100 MW
Turbine Manufacturer Siemens
Power Cycle Steam Rankine
Power Cycle Pressure (Bar) 100
Cooling Type Dry

Thermal Energy Storage

Storage Type 2-tank indirect
Storage Capacity (Hours) 2.5
Storage Description Molten salts

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.”