Wish it were more viable where I live. I did one of those online calculators and even with subsidies, it would cost more over its lifetime. We don't get enough ours of sunlight but with the extreme temperatures need more energy for heating and cooling. Works great in the Western US thoug - I know folks in the Denver area that are actually putting more into the grid than they use.
Acoustic/Electric stringed instruments ranging from 4 to 230 strings, hammered, picked, fingered, slapped, and plucked. Analog and Digital Electronic instruments, reeds, and throat/mouth.