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[QUOTE=06supercrew]bczolone, can you not be attached to the grid if you have storage batteries and still sell any excess to the utility company?
QUOTE]
Yes you can. That would be a basic stand alone system; and I could still be attached, however the back-up batt.s are expensive and take up a lot of space so I chose not to add them at this time since space is a premium. I did want to add that they now have tiles out that are photovoltaic and serve as your roofing material, my friend is going to try to use those on his horse barn he's building. From what i hear they are cheaper and cover the entire roof. Each then wired into a main line to your inverter. If your break one then you just replace that one and yes they are made to withstand you walking on them. My panels will withstand 180pmh winds (as per code) and golf-ball sized hail, but if one breaks its about 1K per panel.
I think everyone should be taking a closer look at solar & wind power generation. It is also probably a good career field choice. Our utility bills are going to continue to escalate (my electricity supplier recently upped their rates by 59% in one jump).
Yes, the initial costs are high & you need to do the math. If you are handy, you can build an inexpensive solar water heater that will all but eliminate your energy costs for domestic hot water and can help to heat your home as well. These systems can also heat swimming pool water for free.