One of the many perks of going solar is the idea you can bank cash or credit when you generate excess energy. It's called net metering or net billing-- and not every state or utility offers it. Each ...

If you have solar panels installed on your roof, you likely aren't using up all of the energy that they're generating each month. All that excess is sent to the grid, joining your utility's supply of ...

Developed by researchers in China, the novel calculator uses current and voltage sensors, a Raspberry Pi, and an algorithm for fuzzy logic to determine variations in frequency and demand. The tool ...