| Water (Scotland) Act 1980 | 1980 c. 45 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Cycle Tracks Act 1984 | 1984 c. 38 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Companies Act 1985 | 1985 c. 6 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Gas Act 1986 | 1986 c. 44 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Electricity Act 1989 | 1989 c. 29 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Water Industry Act 1991 | 1991 c. 56 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Water Resources Act 1991 | 1991 c. 57 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Utilities Act 2000 | 2000 c. 27 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Enterprise Act 2002 | 2002 c. 40 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2 | Yes |   commencement order for 2004 c. 20 |
| Energy Act 2004 | 2004 c. 20 | s. 3 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 4 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 5(1) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 6 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 9 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 13 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 22 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 36 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 37 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 133 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 134 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 135 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 135 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 136 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 137(1)-(4)(7) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 137(5)(6) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 138 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 140(2)-(4) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 141 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 142 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 143 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 144 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 190 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 191 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 192 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 193 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 194 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 195 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 196 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 197(8) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 197(9) | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(2) Sch. 2 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 3 para. 1 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 3 para. 2 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 3 para. 3 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 3 para. 4 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 1 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 2 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 3 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 4 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 5 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | Sch. 17 para. 6 | coming into force | The Energy Act 2004 (Commencement No. 2) Order 2004 | 2004 No. 2184 | art. 2(1) Sch. 1 | Yes | |