Gadget Guru

Is it time to go solar?

Georgia Crumb

Recouping the cost of solar installation is going to happen far more quickly today than it might have done a few years ago, and GaGu can’t see that changing any time soon. If you have the roof for it, it’s time.

Of course, your specifics are going to be, er, specific, so let’s be broad. The average installation cost is between $4,000 and $6,000 for a system which generates around six kilowatts at peak – that’s cheaper than it was, and panel efficiency is slowly creeping up; look for 20 percent efficiency if you can afford