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Average Thermal Performance Rating of Solar Thermal Collectors by Type Shipped
                                         
Table 2.14     xls   pdf   format     2007 Solar Thermal Annual Report

Table 2.14 Average Thermal Performance Rating of Solar Thermal Collectors by Type Shipped in 2007
(Btu/ft2day)
Year Type
Low-Temperature Medium-Temperature High-Temperature Other
Liquid/Air Air Liquid Parabolic Dish/Trough
Metallic and Nonmetallic ICS/Thermosiphon Flat-Plate (Pumped) Evacuated Tube Concentrator
2007 1,248 918 926 979 851 2,150 1,000 -
- = No data reported.
Note: Totals may not equal sum of components due to independent rounding.
Source: Energy Information Administration, Form EIA-63A, "Annual Solar Thermal Collector Manufacturers Survey."