This calculator is intended to assist project planners evaluate the cost implications of proposed grid connected solar PV projects when compared to purchasing electricity from the grid. This tool will allow you to estimate yearly cash flow with and without a solar PV system and compare the total net present value of each option over an analysis period. Before you begin you will need to collect information about your project.

The conclusions drawn from of this calculator are highly dependent on the user input. It is the user’s responsibility to ensure that all inputs are adjusted correctly. Predicting future financial returns is always complex and depends on many unknown or uncontrollable circumstances. Please use this calculator only as a guide.