| Territorial Waters Jurisdiction Act 1878 | 1878 c. 73 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Official Secrets Act 1911 | 1911 c. 28 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Pipe-lines Act 1962 | 1962 c. 58 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Nuclear Installations Act 1965 | 1965 c. 57 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Food and Environment Protection Act 1985 | 1985 c. 48 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Gas Act 1986 | 1986 c. 44 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Insolvency Act 1986 | 1986 c. 45 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Petroleum Act 1987 | 1987 c. 12 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Electricity Act 1989 | 1989 c. 29 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| The Insolvency (Northern Ireland) Order 1989 | 1989 No. 2405 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Gas Act 1995 | 1995 c. 45 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Petroleum Act 1998 | 1998 c. 17 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Utilities Act 2000 | 2000 c. 27 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Anti-terrorism, Crime and Security Act 2001 | 2001 c. 24 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Sustainable Energy Act 2003 | 2003 c. 30 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| The Energy (Northern Ireland) Order 2003 | 2003 No. 419 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Energy Act 2004 | 2004 c. 20 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Climate Change and Sustainable Energy Act 2006 | 2006 c. 19 | specified provision(s) | Commencement Order | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2-4 | Yes |   commencement order for 2008 c. 32 |
| Energy Act 2008 | 2008 c. 32 | s. 1 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(i) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 17 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 18 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 19 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 20 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 21 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 22 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 23 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 24 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 25 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 26 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 27 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 28 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 29 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 30 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 31 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 32 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 33 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 34 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 35 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 36 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(a)(iii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 37 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 3(a) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 38(2) | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(i) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 39 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(ii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 40 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(iii) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 41 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(iv) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 42 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(iv) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 43 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 2(a)(iv) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 45 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(b)(i) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 46 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(b)(i) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 47 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(b)(i) | Yes | |
| Energy Act 2008 | 2008 c. 32 | s. 48 | coming into force | The Energy Act 2008 (Commencement No. 1 and Savings) Order 2009 | 2009 No. 45 | art. 4(b)(i) | Yes | |