has solar technology kind of confused you? the watts, the batteries, the controller and what not. well, here's a small post on how you calculate your power usage and how you determine the number of batteries you need...enjoy

2009 was a pretty good year for solar power, according to Solar Buzz, because prices fell throughout the year, reaching the lowest point ($4.3 per 125 Watts) since the start of the decade.

But bigger breakthroughs are still to be seen