If you live on a shady lot, and your panels' production is more intermittent, you won't see a payback quite as quickly. This is a huge, but sometimes overlooked, factor in the solar payback period.

More and more US homeowners are turning to rooftop solar, as energy bills and power outages are ... and a handy Solar Calculator to estimate system size, production, cost, and savings.

The LCOH was calculated using power production ... of Hydrogen Calculation from Off-Grid Photovoltaic Plants Using Different Methods,” which was recently published in RRL Solar.