Category:Energy in Northern Ireland Energy portal Subcategories This category has the following 6 subcategories, out of 6 total. C Energy companies of Northern Ireland (2 C)E Electric power in Northern Ireland (4 C)F Fossil fuels in Northern Ireland (3 C)I Energy infrastructure in Northern Ireland (1 C)P Proposed energy infrastructure in Northern Ireland (1 C)R Renewable energy in Northern Ireland (3 C, 1 P)
