| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(2) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(3) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(4) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(5) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(6)(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(6)(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(7) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(8)(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(8)(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(8)(c) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(9) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(10) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(11) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(12) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(13) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(14) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(15)(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(15)(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(16)(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(16)(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 2(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 2(17) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 3(1)(a)(c) | omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 3(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 3(1A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 3(2) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 4(3) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 4(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 4(3A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 4(2) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 5(2) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 5 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 6(8)(c) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 6 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7 heading | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(1) | words omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(2)(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(1)(a) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(2)(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(1)(b) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(2)(c) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(1)(c) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(2)(d) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(4)(5) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(3) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(6) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(4) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 7(7) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 7(5) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 8(a) Table | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 8 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 12(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 9(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 12(2)(b) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 9(2) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 12(3)(b) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 9(3) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 12(3)(c)(d) | substituted for art. 12(3)(c) | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 9(4) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 12(4)(c)(iii) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 9(5) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 13(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 10 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16(1) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 11(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16(2)(3) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 11(2) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16(5) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 11(3) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16(7A)(7B) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 11(4) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16(9) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 11(5) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 16A | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 12 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 17(1) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 13(1) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2014 | 2014 No. 3219 | art. 17(3A)(3B) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2017 | 2017 No. 490 | art. 13(2) | Yes | |