| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 2 | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 3 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 14(3)(b)(i) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 4(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 14(3)(b)(ii) | word inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 4(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 14(3)(b)(iii) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 4(c) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 16(1)(b)(iv) | words omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 5(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 16(4) | omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 5(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 17(3)(c)(i) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 6(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 17(3)(c)(ii) | word inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 6(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 17(3)(c)(iii) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 6(c) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 18 | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 7 | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 19(1)(ca) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 8(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 19(2) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 8(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 27(2) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 9(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 27(2A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 9(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 28(2) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 10(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 28(2A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 10(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 30(2)(b) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 11(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 30(2A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 11(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 32(2) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 12(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 32(2A) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 12(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 32(3) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 12(c)(i) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 32(3) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 12(c)(ii) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 32(3) | word inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 12(c)(iii) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 33(2)(a) | substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 13(a)(i) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 33(2)(f) | word omitted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 13(a)(ii) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 33(2)(fa)-(fc) | inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 13(a)(iii) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | art. 33(4) | words inserted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 13(b) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | Sch. 3 para. 1 | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 14(a) | Yes | |
| The Electricity and Gas (Energy Company Obligation) Order 2018 | 2018 No. 1183 | Sch. 3 para. 2(b) | words substituted | The Electricity and Gas (Energy Company Obligation) (Amendment) Order 2019 | 2019 No. 1441 | art. 14(b) | Yes | |