The huge problem with off-grid is - there is NO way to store the extra power you make. No cost-effective way, anyway. You can have a day when you make 20 times the power you are using and it ALL goes to waste.
The nice thing about off-grid is the equipment is MUCH cheaper. You can buy uncertified solar panels at half-cost (or less). Same with electronics. You can buy an off-grid 3000 watt inverter for $250 instead of paying $1300-$2000 for a grid-tie inverter.
As to solar being green? I doubt it. An awful lot of coal and petro fuel is used to make and ship solar equipment and batteries. I doubt in the end -they are much cleaner when all is factored in. Certainly they seem greener when only the end-user is looked at.
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Today's Featured Article - Tractor Generators - by Chris Pratt. As a companion to the articles on three-brush and two-brush generators, it seemed fitting that we should provide our readers with a description of how a generator works in lay terms. The difficulty with all those "theory of operation" texts is that they border on principles of electricity or physics and such. Since I know nothing of either, you will have to put up with looking at the common sense side of how generators work which means we "
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