These energy sources are absolutely free and once you have the equipment needed to harness them for use in your homes and businesses you will be able to breath much easier knowing that you will never again have to worry about the ever increasing energy costs from your local utility companies.
This is not solely based on any one type of renewable energy system but has been witnessed on various systems from PV solar and wind turbines to solar thermal systems. Regardless of a homes amenities energy efficient electrical systems are an absolute must have to the distinguishing buyer.
Maintenance costs for these systems not including parts replacements due to damage are almost non-existent unless you want your panels alignment adjusted twice a year as they should be for optimum performance and power generation
The reasoning behind this seemingly forensic analysis that your states Department of Energy applies to every renewable energy incentive and even more so on the systems you plan to use these funds to purchase is very straight forward.
The choice is yours and for as much as it will cost for all of us to make these desperately needed changes it will still not come close to equaling what our dependence on carbon based fuels has cost us in money, lives and devastation suffered worldwide. Choose wisely!