For example, the Salesforce Tower in San Francisco has 70 times as much vertical surface to its rooftop, and that would mean over 20 times more energy production from transparent solar than opaque solar on the roof.
例如,舊金山的Salesforce大廈的屋頂垂直面是其70倍,這就意味著透明太陽能的能源生產量是屋頂不透明太陽能的20多倍。