With the FiT as it stands, a typical ROI of over 10% is probably a low estimate. This revenue will run for 25 years. In addition to fixing, lowering or even eliminating electricity bills means that your running costs can be predicted, allowing for more accurate financial forecasting. Solar PV on your business also speaks volumes about your firm's commitment to lowering Carbon and building a sustainable clean energy economy. What other form of investment adds this level of value?