For example, if you live in a sunny location where the Global Solar Atlas shows 1,700 kWh/kWp, a 6-kW system would yield 10,200 kWh/year. The electricity output of photovoltaic modules depends on ...
the larger the solar panel system necessary to offset your usage. For example, based on our average cost of a solar panel at $3 per watt with installation, a 6 kW system would run you around $ ...
As well as monetary savings, you can also benefit from freedom and independence — no one can increase the price per kilowatt, and no matter what crazy energy crisis pops up, your water will stay hot.