Well if you are handy and generally comfortable with doing electrical work it's actually pretty simple. The hardest part is actually getting the solar panels mounted, everybody situation is different if they go on your roof that's where it gets complicated. The other issue is if you're going to be tying it in to your electrical service. That gets more complicated. Doing a battery backup or off-grid setup is very easy, the equipment has gotten a lot cheaper in the last few years.