Shouhang Dunhuang Phase II - 100 MW Tower CSP Project

This page provides information on Shouhang Dunhuang Phase II - 100 MW Tower CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Shouhang Dunhuang Phase II - 100 MW Tower
Location: Dunhuang
Owners (%): Shouhang
Technology Power Tower
Solar Resource: 1777
Nominal Capacity: 100 MW
Status Operational
Start Year: 2018

Status Date

Status Date July 07, 2021


Break Ground Date 2016
Expected Generation (GWh/year) 483
Lat/Long Location 40.062,94.425
Total Power Station Land Area (km²) 8


Developer Shouhang
EPC Suncan (Shouhang)
Electricity Generation Offtaker Gansu State Grid Electric Power
Construction Job Years 1500
Annual Operations Jobs 60


Total Construction Cost (2018) 3040.00 million
Total Cost USD (2020) $458.15 million
Specific Cost/kW USD (2020) $ 4581.5
LCOE USD/kWh (2020) $ 0.08
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 RMB/kWh 1.15
Remuneration Start Year 2018
Remuneration USD/kWh Deflated (2020) 0.17
PPA or Tariff Period (Years) 20
Support Scheme Type FIT
Policy Support Scheme Chinese Demonstration Program 1st Batch

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 1400000
# of Heliostats (or dishes for dish systems) 12121
Heliostat Aperture Area (m²) (or dish aperature for dish systems) 116
Collector/Heliostat Manufacturer Shouhang
Collector/Heliostat Engineering or IP Owner Shouhang

Solar Field (Receiver)

Receiver Working Fluid Molten Salt
Receiver Working Fluid Category Salt
Working Fluid Manufacturer Jiaocheng Bingshen Chemical company
Tower Height (m) 263
Solar Field or Receiver Inlet Temperture (C) 290°C
Solar Field or Receiver Outlet Temperture (C) 565°C
Receiver Manufacturer Shouhang
Receiver Model External - cylindrical

Power Block

Nominal Turbine or Power Cycle Capacity 100 MW
Turbine Manufacturer GE
Turbine Model N100-12.6/550/550
Power Cycle Steam Rankine
Power Cycle Pressure (Bar) 126
Turbine Efficiency Percent 45
Steam Generator System Manufacturer Shandong Beichen Mechanical Electrical Equipment
Cooling Type Dry

Thermal Energy Storage

Storage Type 2-tank direct
Storage Capacity (Hours) 11
Storage Description Molten Salt
TES Engineering Company Shanghai Lanbin Petrochemical Equipment (LANPEC Technologies Limited) China