Northern Ireland's electricity is provided by four power stations. The large Ballylumford plant, owned by British Gas subsidiary Premier Power, has recently been converted from oil to natural gas. Baseload power is supplied by Nigen's coal-fired Kilroot and West Belfast stations, while the oil-fired Coolkeeragh plant helps meet peak demand.
The Province's generating market is set for a major shake-up over the next few years. Firstly, elec