There's no evidence that any of the four destroyed planes were lost to pilot error. A fifth alleged crash turns out to be a misinterpretation of a flight accident that did not result in the loss of the aircraft. McCain admitted to causing that incident through daredevil clowning but returned safely.
Cost breakdown. 1  The material cost of the horizontal mount 4 PVC gutter sections including necessary hangers and couplers is around $2.00 per foot, and professional installation cost is an additional $1.80 per foot. 2  Corner fittings cost $7 each and $3 each to be installed professionally.
Today, the utility-scale PV industry is more than 60 percent of the way to achieving SunShotâs target of $0.06 per kilowatt-hour. In the United States, the average price for a utility-scale PV project has dropped from about $0.21 per kilowatt-hour in 2010 to $0.11 per kilowatt-hour at the end of 2013.