More than 30 years of experience in solar technology has earned us a reputation for reliability among our customers.1975 Amorphous silicon solar cell development launched.1980 The world&＃39;s first commercial production of amorphous silicon solar cells.1992 Japan&＃39;s first installation of an on-grid photovoltaic power generating system for residential use.1994 Photovoltaic power generating system for residential use marketed.HIT solar cells*1 marketed.1997 HIT solar cells*1 marketed.2001 SANYO Solar Ark, one of the world&＃39;s largest photovoltaic power generating systems, completed at Gifu Plant.2003 200W photovoltaic module with the world&＃39;s highest*2 conversion efficiency marketed.Established the Nishikinohama plant as photovoltaic cell/module production base.2005 Started mass production of HIT photovoltaic modules at the factory in Hungary.2007 Cumulative production of HIT solar cells tops 100 million units.2008 Started Shiga Plant operation.2009 Started production of Solar ingot and wafer at SANYO Solar of Oregon L.L.C.