I had an interesting idea given that I did not know that this exists and I would love to hear on the feasibility of it from people that know about mining. Anyways, I am building a house in the Florida Keys and I am putting in a 10KW solar array in, given my location it will be fairly efficient, to the point that at most times I will have energy to spare. Now I can pump the energy back into the grid, but I do not believe the return is that great for doing it. So I wonder if I could design a system of GPU's that would utilize the reserve capacity to mine and turn into bit-coins and then turn into hard currency. What variables would I need to know to calculate if it is a more efficient method of capitalizing on the energy? I know I have the sunk cost of the hardware (I am not including the solar hardware because it will be purchased either way). I know I would have to calculate KW to bit-coin creation ratio and then translate that into dollars and then compare that to what the energy company is purchasing spare energy for.<p>As well, does anyone know if their is any efficient native GPU bit-coin mining software. I found a link talking about a python lib, but is there something written that is closer to the hardware?