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According to Giacomo Bizzarri of the University of Ferrara and Gianluca Morini of the University of Bologna, the amount of electricity that can be saved over the lifetime of a domestic PV panel is about 2000 kWh per square metre for thin film modules, with an expected life of 20 years, single-crystalline silicon devices with an anticipated lifespan of 25 years fare better producing 4400 kWh per square metre. However, the initial costs are about 2.5 times the value of the electricity produced, the researchers say.
Речь идет о Калифорнии и Флориде.