This terminology pertains to photovoltaic (radiant-to-electrical energy conversion) device performance measurements and is not a comprehensive list of terminology for photovoltaics in general. Additional terms used in this terminology and of interest to solar energy may be found in Terminology E 772.
ANSI/ASTM E1328:1999 history
1999ANSI/ASTM E1328:1999 Terminology Relating to Photovoltaic Solar Energy Conversion