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NREL - National Renewable Energy Laboratory
Concentrating Solar Power Projects: Solar Paces
Project Overview
Project Name: Bokpoort
Country: South Africa
Location: Globershoop
(Northern Cape Province)
Owner(s): ACWA Power Solafrica Bokpoort CSP Power Plant (Pty) Ltd
Technology: Parabolic trough
Turbine Capacity: Net: 50.0 MW Gross: 54.5 MW
Status: Under construction
Start Year: 2015

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

Status Date: October 29, 2014


Technology: Parabolic trough
Status: Under construction
Country: South Africa
City: Globershoop
Region: Northern Cape Province
Lat/Long Location: 28°46′ 53.0″ South, 21°57′ 22.0″ East
Land Area: 100 hectares
Electricity Generation: 224,000 MWh/yr (Estimated)
Contact(s): SolarPACES
Break Ground: September 25, 2013
Start Production: December 2015
Cost (approx): 565 USD million
PPA/Tariff Period: 20 years
Project Type: Commercial


Developer(s): ACWA Power
Owner(s) (%): ACWA Power Solafrica Bokpoort CSP Power Plant (Pty) Ltd
EPC Contractor: Acciona, Sener and TSK
Generation Offtaker(s): Eskom

Plant Configuration

Solar Field

Solar-Field Aperture Area: 588,600 m²
SCA Manufacturer (Model): Sener (SenerTrough)
Mirror Manufacturer (Model): FE GmbH (formerly Flabeg GmbH, Germany) (Rp3, annealed)
HCE Manufacturer (Model): Schott (PTR 70)
Heat-Transfer Fluid Type: Dowtherm A
HTF Company: DOW
Solar-Field Inlet Temp: 293°C
Solar-Field Outlet Temp: 393°C

Power Block

Turbine Capacity (Gross): 54.5 MW
Turbine Capacity (Net): 50.0 MW
Turbine Manufacturer: Siemens (SST-800)
Output Type: Steam Rankine
Cooling Method: Dry cooling
Fossil Backup Type: LFO Boiler System (2x5 MWht)

Thermal Storage

Storage Type: 2-tank indirect
Storage Capacity: 9.3 hours
Thermal Storage Description: Molten salts (1300 MWht)