Bokpoort CSP Project

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

Project Overview

Power Station: Bokpoort
Location: Groblershoop
ZF Mgcawu District Municipality
Northern Cape
South Africa
Owners (%): ACWA
Technology Parabolic Trough
Solar Resource: 2949
Nominal Capacity: 50 MW
Status Operational
Start Year: 2016

Status Date

Status Date July 07, 2021

Background

Break Ground Date 2013
Expected Generation (GWh/year) 230
Lat/Long Location -28.74,21.995
Total Power Station Land Area (km²) 1

Participants

Developer ACWA
Saudi Arabia
EPC Sener, Acciona, TSK
Spain
Electricity Generation Offtaker Eskom

Costs

Total Construction Cost (2016) $ 565.00 million
Total Cost USD (2020) $585.83 million
Specific Cost/kW USD (2020) $ 11716.6
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 2.52
Remuneration Start Year 2016
Remuneration USD/kWh Deflated (2020) 0.18
PPA or Tariff Period (Years) 20
Support Scheme Type PPA

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 588600
# of Loops 180
Collector/Heliostat Manufacturer Sener
Spain
Collector/Heliostat Engineering or IP Owner Sener
Spain
Collector/Heliostat Model SenerTrough
Mirror Manufacturer Flabeg FE
Germany
Mirror Model RP3

Solar Field (Receiver)

Receiver Working Fluid Biphenyl/Diphenyl oxide: Dowtherm A
Receiver Working Fluid Category Thermal oil/organics
Working Fluid Manufacturer Dow
# of Heat Collector Elements (HCEs) 26000
Solar Field or Receiver Inlet Temperture (C) 293°C
Solar Field or Receiver Outlet Temperture (C) 393°C
Receiver Manufacturer Schott
Germany
Receiver Model PTR 70

Power Block

Nominal Turbine or Power Cycle Capacity 50 MW
Turbine Manufacturer Siemens
Germany
Turbine Model SST 800
Power Cycle Steam Rankine
Cooling Type Wet

Thermal Energy Storage

Storage Type 2-tank indirect
Storage Capacity (Hours) 9.3
Storage Description Molten salts (1300 MWht)