BBC: NI’s new energy strategy sets a target of 40% of electricity to come from alternative energy sources by 2020. The strategy aims to reduce reliance on fuels such as coal, gas and oil. Less than 10% of NI’s electricity is currently generated from alternative energy, mainly land-based wind farms. Reaching the target will need large offshore wind farms, tidal turbines like Seagen in Strangford Lough and even using energy from controversial sources including waste …