This standard specifies the requirements for design qualification and type certification of ground-mounted thin-film solar modules suitable for long-term operation in general outdoor climates, as defined in JIS C 60721-2-1. .
JIS C 8991:2004 history
2011JIS C 8991:2011 Thin-film terrestrial photovoltaic (PV) modules -- Design qualification and type approval
2004JIS C 8991:2004 Thin-film terrestrial photovoltaic (PV) modules -- Design qualification and type approval