Couldn't yet figure out what the significant difference between the two models is. Anyway - assuming 100m² awailable roof surface, that would be about 6290W with the first product and 2540W with the second, giving average powers of 700W and 360W in Germany, the second five-eight times more expensive than four-five 400W wind turbines. *Lunatic*, n. One whose delusions are out of fashion.
