Extresol-3

This page provides information on Extresol-3, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration.
Status Date

Background

Technology
Parabolic Trough
Status
Operational
Location

Torre de Miguel Sesmero Badajoz
Spain

Lat/Long Location
38°
39'
0.00"
North
44'
0.00"
West
Land Area
200 hectares
Solar Resource
2168 kWh/m2/yr
Source of Solar Resource
Meteo Station
Electricity Generation
158,000 MWh/yr Expected/Planned
Break Ground Date
Start Production Date
Construction Job-Years
600
Annual O&M Jobs
40
PPA/Tariff Type
Real Decreto 661/2007
PPA/Tariff Rate
27 Euro cents per kWh
PPA/Tariff Period
25 years
Project Type
Commercial

Participants

Developer(s)
ACS/Cobra Group
EPC Contractor
Cobra Instalaciones y Servicios
Operator(s)
Cobra O&M
Generation Offtaker(s)
Endesa

Plant Configuration

Solar Field

Solar-Field Aperture Area
510,120 m²
# of Solar Collector Assemblies (SCAs)
624
# of Loops
156
# of SCAs per Loop
4
SCA Aperture Area
817 m²
SCA Length
144 m
# of Modules per SCA
12
SCA Manufacturer (Model)
Cobra Instalaciones y Servicios (SENERTROUGH)
Mirror Manufacturer (Model)
Flabeg (RP3)
HCE Manufacturer (Model)
Solel (UVAC 2008)
# of Heat Collector Elements (HCEs)
22,464
HCE Type
Evacuated
HCE Length
4m
Heat-Transfer Fluid Type
Diphenyl/Biphenyl oxide
Solar-Field Inlet Temp
293ºC
Solar-Field Outlet Temp
393ºC
Solar-Field Temp Difference
100ºC

Power Block

Turbine Capacity (Gross)
50 MW
Turbine Capacity (Net)
50 MW
Turbine Manufacturer
Siemens (Germany)
Power Cycle Pressure
100 bar
Cooling Method
Wet cooling
Cooling Method Description
Cooling towers
Turbine Efficiency
38.10% @ full load (Percentage)
Gross Annual Solar-to-Electricity Efficiency (Percentage)
16%

Thermal Storage

Storage Type
2-tank indirect
Storage Capacity
7.5 hour(s)
Storage Description
28,500 tons of molten salt. 60% sodium nitrate, 40% potassium nitrate. 1,010 MWh. Tanks are 14 m high and 36 m in diameter.

Project Overview

Project Name: Extresol-3 (EX-3)
Location: Spain
(Badajoz)
Location: Torre de Miguel Sesmero (Badajoz)
Owner(s) (%): ACS/Cobra Group (100%)
Technology: Parabolic Trough
Turbine Capacity (Net):
50 MW
Turbine Capacity (Gross):
50 MW
Status: Operational
Start Year: 2012

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