Fabrication, installation, and two-year evaluation of a 245 square meter linear Fresnel lens photovoltaic and thermal (PVT) concentrator system at Dallas/Ft. Worth (DFW) Airport, Texas. Final technical report, Phase II and Phase III
This final technical report summarizes the results of the fabrication, installation, and two-year evaluation of the first linear Fresnel lens photovoltaic and thermal (PVT) concentrator system ever deployed. The system is located on the Central Utility Plant at DFW Airport, Texas. The roof-mounted collector field provides 245 square meters of sun-tracking collector aperture area. The nominal 25 kilowatt peak electrical output of the system is used for plant lighting, while the nominal 120 kilowatt peak thermal output is used to preheat domestic water for the nearby AMFAC hotel. The system has performed efficiently and reliably over the full two-year operational period. Long-term system conversion efficiencies have been 7.7% sunlight-to-electricity, 39.1% sunlight-to-heat, 46.8% sunlight-to-total energy output. Each of these efficiency levels is thought to be the highest ever achieved by a commercial-scale photovoltaic system. System durability has also been excellent, with no detectable degradation in performance over the full operational period. In summary, this successful application experiment has verified the potential of the linear Frenel lens PVT system to reliably and efficiently deliver electricity and heat in commercial-scale applications.
- Research Organization:
- Entech, Inc., Dallas-Fort Worth Airport, TX (USA)
- DOE Contract Number:
- AC04-79ET20626
- OSTI ID:
- 6042538
- Report Number(s):
- DOE/ET/20626-T1; ON: DE85008188
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140600* -- Solar Energy-- Photovoltaic Power Systems
140907 -- Solar Thermal Utilization-- Water Heating
AIRPORTS
APPLIANCES
BUILDINGS
COMBINED COLLECTORS
COMMERCIAL BUILDINGS
DATA ACQUISITION
EFFICIENCY
ELECTRONIC EQUIPMENT
ENERGY YIELD
EQUIPMENT
FABRICATION
FEDERAL REGION VI
FRESNEL LENS
HEATERS
HOTELS
INSTALLATION
LENSES
NORTH AMERICA
PERFORMANCE TESTING
PHOTOVOLTAIC POWER SUPPLIES
POWER SUPPLIES
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR TRACKING
SOLAR WATER HEATERS
TESTING
TEXAS
USA
WATER HEATERS
YIELDS
140600* -- Solar Energy-- Photovoltaic Power Systems
140907 -- Solar Thermal Utilization-- Water Heating
AIRPORTS
APPLIANCES
BUILDINGS
COMBINED COLLECTORS
COMMERCIAL BUILDINGS
DATA ACQUISITION
EFFICIENCY
ELECTRONIC EQUIPMENT
ENERGY YIELD
EQUIPMENT
FABRICATION
FEDERAL REGION VI
FRESNEL LENS
HEATERS
HOTELS
INSTALLATION
LENSES
NORTH AMERICA
PERFORMANCE TESTING
PHOTOVOLTAIC POWER SUPPLIES
POWER SUPPLIES
SOLAR COLLECTORS
SOLAR EQUIPMENT
SOLAR TRACKING
SOLAR WATER HEATERS
TESTING
TEXAS
USA
WATER HEATERS
YIELDS