| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AB(1) | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 12(3)(a) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AB(1) | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 12(3)(b) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AB(4) | words substituted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 12(4) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AC | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 8 | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | art. 11AB heading | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 12(2) | Yes | |
| The Electricity (Northern Ireland) Order 1992 | 1992 No. 231 | Sch. 7 para. 3(4) | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 9 | Yes | |
| The Gas (Northern Ireland) Order 1996 | 1996 No. 275 | art. 10AA | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 10 | Yes | |
| The Gas (Northern Ireland) Order 1996 | 1996 No. 275 | art. 21A | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 11 | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 2(2) | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 3 | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 12(5)(a) | words substituted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 4(a) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 12(5A)-(5C) | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 4(b) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 14(5)(a) | substituted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 5(a) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 14(5B) (5C) | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 5(b) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 38(1) | applied | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 14(9) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 38(2) | applied | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 15(9) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41A(4)(i) | word omitted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 6(a) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41A(4)(j) | word substituted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 6(b) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41A(4)(k) | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 6(c) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41B(3)(h) | word omitted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 7(a) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41B(3)(i) | word substituted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 7(b) | Yes | |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | art. 41B(3)(j) | inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 7(c) | Yes | |
| Electricity (Priority Dispatch) Regulations (Northern Ireland) 2012 | 2012 No. 385 | reg. 3 heading | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 13(2)(a) | Yes | |
| Electricity (Priority Dispatch) Regulations (Northern Ireland) 2012 | 2012 No. 385 | reg. 3 | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 13(2)(b) | Yes | |
| Electricity (Priority Dispatch) Regulations (Northern Ireland) 2012 | 2012 No. 385 | reg. 3 | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 13(2)(c) | Yes | |
| Electricity (Priority Dispatch) Regulations (Northern Ireland) 2012 | 2012 No. 385 | reg. 5 | words inserted | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 13(3) | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 2 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 3 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 4 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 5 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 6 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 7 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 8 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 9 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 10 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 11 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 12 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 13 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 14 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |
| The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 15 | coming into force | The Energy Efficiency Regulations (Northern Ireland) 2014 | 2014 No. 198 | reg. 1 | Yes | |