Your Eyes Are Bigger Than Your Stomach

Any solar system that generates more energy than you use is a waste. You save nothing by using a solar system at less than its capacity. If you install a solar water heater that’s too big, you’ve wasted money. If you install an intertie system that’s too big, you get nothing for the excess power that you don’t use.

Updated: August 21, 2015 — 9:06 am