A capex investment is usually recovered in two to three years, resulting in free electricity for the rest of the solar system’s lifetime (usually 20 – 30 years). A financed solar system (PPA or lease) eliminates the need to find the cash to pay for the solar system. In most cases, monthly lease payments can be tailored so that the reduction in your electricity bill is greater than your lease payments, meaning you are cash flow positive from day one.
In the following “live” example you are cash flow positive from day one AND own the solar system within 3 years: