| Territorial Waters Jurisdiction Act 1878 | 1878 c. 73 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Law of Property Act 1925 | 1925 c. 20 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Atomic Energy Authority Act 1954 | 1954 c. 32 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Nuclear Installations Act 1965 | 1965 c. 57 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Atomic Energy Authority Act 1971 | 1971 c. 11 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 |
art. 2 Sch. 1 2
| Yes |   commencement order for 2004 c. 20 |
| House of Commons Disqualification Act 1975 | 1975 c. 24 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Northern Ireland Assembly Disqualification Act 1975 | 1975 c. 25 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Nuclear Industry (Finance) Act 1977 | 1977 c. 7 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Land Registration (Scotland) Act 1979 | 1979 c. 33 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Atomic Energy (Miscellaneous Provisions) Act 1981 | 1981 c. 48 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Civil Aviation Act 1982 | 1982 c. 16 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Police and Criminal Evidence Act 1984 | 1984 c. 60 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 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. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 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. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Insolvency Act 1986 | 1986 c. 45 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Income and Corporation Taxes Act 1988 | 1988 c. 1 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 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. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Taxation of Chargeable Gains Act 1992 | 1992 c. 12 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Atomic Energy Authority Act 1995 | 1995 c. 37 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Finance Act 1996 | 1996 c. 8 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Petroleum Act 1998 | 1998 c. 17 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Competition Act 1998 | 1998 c. 41 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Capital Allowances Act 2001 | 2001 c. 2 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Anti-terrorism, Crime and Security Act 2001 | 2001 c. 24 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Finance Act 2002 | 2002 c. 23 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Divorce (Religious Marriages) Act 2002 | 2002 c. 27 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 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. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Communications Act 2003 | 2003 c. 21 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Sustainable Energy Act 2003 | 2003 c. 30 | specified amended provision(s) | Commencement Order | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2 Sch. 1 2 | Yes |   commencement order for 2004 c. 20 |
| Energy Act 2004 | 2004 c. 20 | s. 5(2)-(9) | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 7 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 8 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 14 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 15 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 16 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 17 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 18 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 19 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 20 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 21 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 23 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 24 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 25 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 26 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 27 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 28 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 29 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 30 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 31 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |
| Energy Act 2004 | 2004 c. 20 | s. 32 | coming into force | The Energy Act 2004 (Commencement No. 3) Order 2004 | 2004 No. 2575 | art. 2(1) Sch. 1 | Yes | |