All renewable energies in NI are subsidised and at present each consumer in NI pays a levy of £17.25 per annum towards subsidising these renewables for developers. However, the NI exectutive are currently considering that we could see an almost "three-fold increase by 2020." Doubling the target to 40% would, presumably, increase this levy six-fold leaving each consumer in NI to pay a levy of upwards on £103.50 per annum. In addition according to the Report on NIE (Northern Ir