Khi Solar One CSP Project

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

Project Overview

Power Station: Khi Solar One
Location: Upington
ZF Mgcawu District Municipality
Northern Cape South Africa
Owners (%): Abengoa
Technology Power Tower
Solar Resource: 2952
Nominal Capacity: 50 MW
Status Operational
Start Year: 2016

Status Date

Status Date


Break Ground Date 2012
Expected Generation (GWh/year) 180
Lat/Long Location -28.537,21.078


Developer Abengoa
EPC Abener, Teyma
Operator Abengoa Solar
Electricity Generation Offtaker Eskom


Total Construction Cost (2016) $ 450.00 million
Total Cost USD (2020) $466.59 million
Specific Cost/kW USD (2020) $ 9331.8
LCOE USD/kWh (2020) $ 0.22
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 2016
Remuneration USD/kWh Deflated (2020) 0.19
PPA or Tariff Period (Years) 20
Support Scheme Type PPA
Concessional Funding or Other Support European Investment Bank (EIB) €50 million; CTF $15 million; IFC app. $75 million;C Loan $15 million

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 576800
# of Heliostats (or dishes for dish systems) 4120
Heliostat Aperture Area (m²) (or dish aperature for dish systems) 140
Collector/Heliostat Manufacturer Abengoa
Collector/Heliostat Engineering or IP Owner Abengoa
Collector/Heliostat Model ASUP 140

Solar Field (Receiver)

Receiver Working Fluid Water/Steam
Receiver Working Fluid Category Water
Tower Height (m) 200
Receiver Manufacturer Cockerill

Power Block

Nominal Turbine or Power Cycle Capacity 50 MW
Power Cycle Steam Rankine
Cooling Type Dry

Thermal Energy Storage

Storage Type Other
Storage Capacity (Hours) 2
Storage Description Saturated steam

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.”