Buying a lot of something all at once is usually cheaper than buying the same thing in smaller amounts over time — a concept known as “economy of scale.”
Now, some solar advocates in Atlanta are bringing the principle to a rooftop near you, and, in the process, bringing down the cost of installing a residential solar system.
Five years ago, Larry and Ruth Menter wanted to take the plunge and go solar, but the tree canopy of their Buckhead home just blocked out too much light.
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