The amount you need to spend to fund a functional solar power system in your home
or workplace would depend on several factors including your energy requirements, your location, and the type of system you have installed. The cost of ownership can vary depending on the quality and size of system you chose and the state and zone in which you live. Different states and zones have different feed in tariffsand renewable energy certificate entitlements respectively. Systems can start from as little as $4,000.