Un estudio llevado a cabo en EE.UU. afirma que los sistemas fotovoltaicos de los tejados podrían suministrar el 40% de la energía del país

https://www.sciencedaily.com/releases/2016/04/160405161250.htm

Analysts have used detailed light detection and ranging data for 128 cities nationwide, along with improved data analysis methods and simulation tools, to update its estimate of total US technical potential for rooftop photovoltaic systems. The analysis reveals a technical potential of 1,118 gigawatts of capacity and 1,432 terawatt-hours of annual energy generation, equivalent to 39 percent of the nation's electricity sales.