(IL) Chicago Tribune – Jonathan Boyer, a principal at Farr Associates, said that the house’s photovoltaic (PV) panels, in operation since March 25, have produced more than 9,000 kilowatt hours of energy. The expectation for the first 12 months was about 11,500 kiolowatt hours.
In other words, the PV panels have exceeded 80 percent of their expected annual energy production in roughly half a year. More