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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
27. Commitments and Contingencies Disclosure |
Contractual commitments (excluding pensions and other post-retirement obligations, convertible debentures, long-term debt and AROs) for each of the next five years and in aggregate thereafter |
millions of Canadian dollars |  | 2021 |  | 2022 |  | 2023 |  | 2024 |  | 2025 | Thereafter |  | Total
Purchased power (1) | $ | 231 | $ | 218 | $ | 216 | $ | 218 | $ | 224 | $ | 2,242 | $ | 3,349
Transportation (2) |  | 518 |  | 393 |  | 339 |  | 306 |  | 282 |  | 2,704 |  | 4,542
Capital projects |  | 394 |  | 98 |  | 76 |  | - |  | - |  | - |  | 568
Fuel, gas supply and storage |  | 494 |  | 91 |  | 6 |  | 1 |  | - |  | - |  | 592
Long-term service agreements (3) |  | 43 |  | 41 |  | 36 |  | 33 |  | 34 |  | 92 |  | 279
Equity investment commitments (4) |  | - |  | 240 |  | - |  | - |  | - |  | - |  | 240
Leases and other (5) |  | 16 |  | 17 |  | 16 |  | 15 |  | 8 |  | 118 |  | 190
Demand side management |  | 40 |  | 45 |  | - |  | - |  | - |  | - |  | 85
| $ | 1,736 | $ | 1,143 | $ | 689 | $ | 573 | $ | 548 | $ | 5,156 | $ | 9,845
(1) Annual requirement to purchase electricity production from independent power producers or other utilities over varying contract lengths.
(2) Purchasing commitments for transportation of fuel and transportation capacity on various pipelines. Includes a commitment of $149 million related to a gas transportation contract between PGS and SeaCoast through 2040.
(3) Maintenance of certain generating equipment, services related to a generation facility and wind operating agreements, outsourced management of computer and communication infrastructure and vegetation management.
(4) Emera has a commitment to make equity contributions to the Labrador Island Link Limited Partnership.
(5) Includes operating lease agreements for buildings, land, telecommunications services and rail cars, transmission rights and investment commitments.

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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