Table 13.  Annual Shipments of Solar Thermal Collectors by Type, 1986-1994
           (Thousand Square Feet)

 Year         Low-Temperature            Medium-Temperature        High-Temperature  
           Total      Average per     Total        Average per  Total Shipments[a],[b]
        Shipments[a] Manufacturer   Shipments[a]  Manufacturer                                                              

1986...... 3,751         171          1,111            13                4,498
1987...... 3,157         263            957            19                3,155
1988...... 3,326         416            732            16                4,116
1989...... 4,283         428          1,989            55                5,209
1990...... 3,645         304          2,527            62                5,237
1991...... 5,585         349            989            24                    1
1992...... 6,187         387            897            26                    2
1993...... 6,025         464            931            28                   12
1994...... 6,823         426            803            26                    2

   [a]Includes imputation of shipment data to account for nonrespondents.
   [b]For high-temperature collectors, average annual shipments per manufacturer
are not disclosed.
   Source: Energy Information Administration, Form CE-63A, "Annual Solar Thermal
Collector Manufacturers Survey."