The 20 percent rule for solar panels can help you save money in the long run
Building your system with some extra capacity makes managing it a bit easier. Halfpoint/Shutterstock If you own a solar system, there’s a good chance you’ll have heard of the 20 percent rule. And if you haven’t, it can be explained easily enough. “n essence, it means estimating how much electricity your house needs, then sizing […]
The 20 percent rule for solar panels can help you save money in the long run Read More »



