| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 3 | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 16(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 3 | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 16(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 3 | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 80(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 3 | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 80(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 8(1)(bb) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 17 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 8(1)(bb) | restricted (temp.) | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 31 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 9(1) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 18(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 9(3)(aa) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 18(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 9(5) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 18(c) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(1) | word substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 47 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(1)(bb) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 19(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(2A) | word substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 48 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(4) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 49 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(5) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 50 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(7) | omitted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 51 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10(8) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 19(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10AA | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 20 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 10B-10L | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 10 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11(3A) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 21 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11A | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 14 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AA | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 52 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11B(1)(b) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 81(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11B(5) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 81(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 12(1)(a) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 22 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 13(1)(a)(b) | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 23(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 13(4A) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 23(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 14(1) | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 53 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 14(5)(6) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 54 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 26(1) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 5(2)(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 26(1)(a) | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 5(2)(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 26(1A)(1B) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 5(3) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 31A(1) | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 55 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 33(2)(a) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 24 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 38(1) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 25(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 38(2) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 25(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 40(6) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 82 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 42A(1)(a) | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 6(2) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 42A(3) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 6(3) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 42A(3A)(3B) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 6(4) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 46(2A)(3) | words inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 26 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 47A | substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 7 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 50(2) | words substituted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 56 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 50(3B) | inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 57 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 58(1)(a) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 27(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 58(6) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 27(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 59(1) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 28(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 59(1) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 28(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 60(1) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 29(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 60(2) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 29(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 62(2) | word inserted | The Gas and Electricity (Internal Markets) Regulations (Northern Ireland) 2011 | 2011 No. 155 | reg. 30 | Yes | |