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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract] |
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 |  | 2020 |  | 2021 |  | 2022 |  | 2023 |  | 2024 | Thereafter |  | Total
Purchased power (1)(2) | $ | 210 | $ | 233 | $ | 237 | $ | 246 | $ | 249 | $ | 2,228 | $ | 3,403
Transportation (3) |  | 514 |  | 398 |  | 340 |  | 281 |  | 264 |  | 2,720 |  | 4,517
Capital projects (4) |  | 411 |  | 109 |  | 103 |  | 86 |  | - |  | - |  | 709
Fuel, gas supply and storage |  | 466 |  | 133 |  | 22 |  | 1 |  | - |  | - |  | 622
Long-term service agreements (5)(6) |  | 52 |  | 37 |  | 36 |  | 27 |  | 26 |  | 100 |  | 278
Equity investment commitments (7) |  | 240 |  | - |  | - |  | - |  | - |  | - |  | 240
Leases and other (8) |  | 19 |  | 19 |  | 18 |  | 17 |  | 8 |  | 118 |  | 199
Demand side management |  | 38 |  | 41 |  | 43 |  | - |  | - |  | - |  | 122
| $ | 1,950 | $ | 970 | $ | 799 | $ | 658 | $ | 547 | $ | 5,166 | $ | 10,090
As noted below, contractual obligations at December 31, 2019 include amounts related to Emera Maine. On completion of the sale of Emera Maine, all of the remaining future contractual obligations will be transferred to the buyer. Refer to note 4 for additional information.
(1) Annual requirement to purchase electricity production from independent power producers or other utilities over varying contract lengths.
(2) Includes $520 million related to Emera Maine ($13 million in 2020; $23 million in 2021; $27 million in 2022; $31 million in 2023; $31 million in 2024 and $395 million thereafter).
(3) Purchasing commitments for transportation of fuel and transportation capacity on various pipelines.
(4) Includes $345 million of commitments related to Tampa Electric's solar and Big Bend Power Station modernization projects.
(5) 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.
(6) Includes $44 million related to various long-term service agreements Emera Maine has entered into for IT maintenance and vegetation management ($19 million in 2020; $9 million in 2021; $8 million in 2022; and $8 million in 2023).
(7) Emera has a commitment to make equity contributions to the Labrador Island Link Limited Partnership.
(8) 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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