As the co-owner of a California property that has never been tied to the electric grid, I can attest to the warm feeling of self-sufficiency that comes with a functioning solar power system. We’ve ...

• Hot-water usage: Since the more hot water you use the more money you save with a solar heating system, large households will save a lot more by going solar. For example, a family of four will save a ...

From a distance, the energy system on top of a college residence hall in Omaha, Nebraska looks like photovoltaic panels. But as you get closer, it becomes clear that this is something different, with ...