http://www.toinkwire.com/2015/10/panasonic-beats-solarcitys-record-of.htmlJust weeks before, Elon Musk backed company Solar city announced that it has produced the world's most efficient rooftop PV module, achieving a 22.04% module level efficiency. But today, Panasonic Eco Solutions broke the record by producing 22.5% efficient solar module. "This new record on module-level efficiency adds to the 25.6% efficiency record achieved last year at cell-level. The new panel efficiency record demonstrates once again Panasonic's...ongoing commitment to move the needle in advanced solar technology," Daniel Roca, senior business developer at Panasonic Eco Solutions Europe, said in a statement. The prototype has been developed using a 72 cell, 270-watt prototype . Unlike Solarcity which uses standard cell, Panasonic uses thin-layer cell