This standard applies to the planning, implementation and acceptance of hydropower rural electrification in counties (cities, districts, banners, the same below) and cities (prefectures, prefectures, leagues, the same below).
SL 30-2003 history
2009SL 30-2009 Standard for new rural hydropower electrification
2003SL 30-2003 Standard for rural hydropower electrification
1970SL 30-1992 Standard for rural hydropower electrification(explanation)