One of the worst things about alternative energy is trying to figure out what it's going to cost you. Electricity from the grid is easy: you plug stuff in and get gouged with a bill at the end of the month.
With solar, you buy a few thousand dollars of equipment and get it installed at one point in time. To compare it to grid electricity, you have to estimate how much power it will produce over the lifetime of the system, divided by the number of months. You then have to add in federal and state rebates, mortgage … Read more