Ilanga I CSP Project

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

Project Overview

Power Station: Ilanga I
Location: Upington
ZF Mgcawu District Municipality
Northern Cape South Africa
Owners (%): Karoshoek Solar One (RF) Proprietary Limited
Technology Parabolic Trough
Solar Resource: 2937
Nominal Capacity: 100 MW
Status Operational
Start Year: 2018

Status Date

Status Date


Break Ground Date 2015
Expected Generation (GWh/year) 320
Lat/Long Location -28.49,21.541


Developer Emvelo, Cobra
South Africa; Spain
EPC Emvelo, Dankocom (COBRA + SENER)
Spain, South Africa


Total Construction Cost (2015) $ 690.00 million
Total Cost USD (2020) $724.57 million
Specific Cost/kW USD (2020) $ 7245.7
LCOE USD/kWh (2020) $ 0.19
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 1.90
Remuneration Start Year 2015
Remuneration USD/kWh Deflated (2020) 0.16
PPA or Tariff Period (Years) 20
Support Scheme Type PPA
Concessional Funding or Other Support Development Bank of Southern Africa 58.8 million USD

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 869800
# of Solar Collector Assemblies (SCAs) 1064
# of Loops 266
# of SCAs per Loop 4
Collector/Heliostat Manufacturer Sener
Collector/Heliostat Engineering or IP Owner Sener
Collector/Heliostat Model SenerTrough

Solar Field (Receiver)

Receiver Working Fluid Thermal Oil
Receiver Working Fluid Category Thermal oil/organics
Solar Field or Receiver Inlet Temperture (C) 293°C
Solar Field or Receiver Outlet Temperture (C) 393°C
Receiver Manufacturer Rioglass

Power Block

Nominal Turbine or Power Cycle Capacity 100 MW
Power Cycle Steam Rankine
Cooling Type Dry

Thermal Energy Storage

Storage Type 2-tank indirect
Storage Capacity (Hours) 4.5
Storage Description Molten salt

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.”