Lanzhou Dacheng Dunhuang (DCTC Dunhuang) - 50MW Fresnel CSP Project

This page provides information on Lanzhou Dacheng Dunhuang (DCTC Dunhuang) - 50MW Fresnel CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Lanzhou Dacheng Dunhuang (DCTC Dunhuang) - 50MW Fresnel
Location: Dunhuang
Gansu China
Owners (%): Dunhuang Dacheng Concentrating Thermal Power Co. (Lanzhou Dacheng Technology Co., Ltd)
Technology Linear Fresnel
Solar Resource: 1649
Nominal Capacity: 50 MW
Status Operational
Start Year: 2020

Status Date

Status Date


Break Ground Date 2018
Expected Generation (GWh/year) 214
Lat/Long Location 40.084,94.421
Total Power Station Land Area (km²) 3.2


Developer Dunhuang Dacheng Concentrating Thermal Power Co. (Lanzhou Dacheng Technology Co., Ltd)
EPC Lanzhou Dacheng Concentrating Energy Technology (Lanzhou Dacheng Technology Co., Ltd)
Electricity Generation Offtaker State Grid Gansu Electric Power Company
Construction Job Years 1300


Total Construction Cost (2017) 1688.00 million
Total Cost USD (2020) $253.19 million
Specific Cost/kW USD (2020) $ 5063.7
LCOE USD/kWh (2020) $ 0.1
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 2017
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
Concessional Funding or Other Support Power China Leasing Co., Ltd (debt funding), China Agricultural Development Bank Dunhuang Sub-branch and Gansu Financial Holding Group

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 1270000
# of Lines 80
Mirror Line Length (m) 1100
Collector/Heliostat Engineering or IP Owner Lanzhou Dacheng
Mirror Manufacturer Daming Glass

Solar Field (Receiver)

Receiver Working Fluid Molten salt
Receiver Working Fluid Category Salt
Solar Field or Receiver Inlet Temperture (C) 290°C
Solar Field or Receiver Outlet Temperture (C) 550°C
Receiver Manufacturer Lanzhou Dacheng Vacuum Technology Co. (Lanzhou Dacheng Technology Co., Ltd)

Power Block

Nominal Turbine or Power Cycle Capacity 50 MW
Turbine Manufacturer Dongfang Boilor
Power Cycle Steam Rankine

Thermal Energy Storage

Storage Type 2-tank direct
Storage Capacity (Hours) 15
Storage Description Molten Salt
TES Engineering Company Shanghai Lanbin Petrochemical Equipment (LANPEC Technologies Limited) China

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.”