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Thai Solar Energy 1

This page provides information on TSE1, a concentrating solar power (CSP) project, with data organized by background, participants, and power plant configuration. TSE1 is the first commercial solar thermal power plant based on direct steam generation.

Status Date: January 23, 2015
Project Overview
Project Name: Thai Solar Energy 1 (TSE1)
Country: Thailand
Location: Huai Kachao
(Kanchanaburi Province)
Owner(s): Thai Solar Energy Co.Ltd. (100%)
Technology: Parabolic trough
Turbine Capacity: Net: 5.0 MW Gross: 5.0 MW
Status: Operational
Start Year: 2012

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Technology: Parabolic trough
Status: Operational
Country: Thailand
City: Huai Kachao
Region: Kanchanaburi Province
Lat/Long Location: 14°20′ 1.0″ North, 99°42′ 33.0″ East
Land Area: 110 hectares
Electricity Generation: 8,000 MWh/yr (Expected)
Contact(s): Sören Hempel; Yuvaraj Pandian
Company: Solarlite GmbH
Start Production: January 25, 2012
Construction Job-Years: 120
Annual O&M Jobs: 10
PPA/Tariff Type: Feed-in Tariff
PPA/Tariff Rate: 11.5 Baht/kWh
PPA/Tariff Period: 10 years
Project Type: Commercial


Developer(s): Solarlite GmbH
Owner(s) (%): Thai Solar Energy Co.Ltd. (100%)
EPC Contractor: Solarlite GmbH
Operator(s): Thai Solar Energy Co.Ltd.
Generation Offtaker(s): Electricity Generating Authority of Thailand

Plant Configuration

Solar Field

Solar-Field Aperture Area: 45,000 m²
# of Solar Collector Assemblies (SCAs): 86
# of Loops: 19
SCA Length: 120 m
# of Modules per SCA: 10
SCA Manufacturer (Model): Solarlite GmbH (SL 4600)
Mirror Manufacturer: Guardian & AGC
HCE Manufacturer: Schott
Heat-Transfer Fluid Type: Water/Steam
Solar-Field Inlet Temp: 201°C
Solar-Field Outlet Temp: 340°C

Power Block

Turbine Capacity (Gross): 5.0 MW
Turbine Capacity (Net): 5.0 MW
Turbine Manufacturer: MAN (MARC 2)
Power Cycle Pressure: 30.0 bar
Cooling Method: Wet cooling
Cooling Method Description: Cooling tower (evaporation cooling)
Annual Solar-to-Electricity Efficiency (Gross): 12%
Fossil Backup Type: None

Thermal Storage

Storage Type: None