Atacama I / Cerro Dominador 110MW CSP + 100MW PV CSP Project

This page provides information on Atacama I / Cerro Dominador 110MW CSP + 100MW PV CSP project, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.

Project Overview

Power Station: Atacama I / Cerro Dominador 110MW CSP + 100MW PV
Location: Calama
Antofagasta Chile
Owners (%): EIG
Technology Power Tower
Solar Resource: 3186
Nominal Capacity: 110 MW
Status Operational
Start Year: 2021

Status Date

Status Date


Break Ground Date 100
Lat/Long Location -22.771,-69.479
Total Power Station Land Area (km²) 7


Developer Abengoa
EPC Abengoa, Acciona
Operator Abengoa Solar
Electricity Generation Offtaker Sistema Interconectado del Norte Grande (SING)


Total Construction Cost (2017) $ 1400.00 million
Support Scheme Type PPA
Concessional Funding or Other Support Inter-American development bank, World bank CTF, KfW (100 million €), EU (15 million €)

Plant Configuration

Solar Field

Solar Field Aperture Area (m²) 1484000
# of Heliostats (or dishes for dish systems) 10600
Heliostat Aperture Area (m²) (or dish aperature for dish systems) 140
Collector/Heliostat Manufacturer Abengoa
Collector/Heliostat Engineering or IP Owner Abengoa
Collector/Heliostat Model ASUP 40V3
Mirror Manufacturer Rioglass

Solar Field (Receiver)

Receiver Working Fluid Molten Salt
Receiver Working Fluid Category Salt
Tower Height (m) 243
Receiver Manufacturer Cockerill

Power Block

Nominal Turbine or Power Cycle Capacity 110 MW
Turbine Manufacturer Doosan Skoda Power
Power Cycle Steam Rankine
Cooling Type Dry

Thermal Energy Storage

Storage Type 2-tank direct
Storage Capacity (Hours) 17.5
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.”