XML 55 R20.htm IDEA: XBRL DOCUMENT
v3.22.4

Non-Controlling Interests | 12 Months Ended
--- | ---
Dec. 31, 2022
Interests In Other Entities [Abstract] |
Non-Controlling Interests | Non-Controlling Interests The Company’s subsidiaries and operations that have non-controlling interests are as follows:
Subsidiary/Operation | Non-controlling interest as at Dec. 31, 2022
TransAlta Cogeneration LP | 49.99% — Canadian Power Holdings Inc.
TransAlta Renewables | 39.9% — Public shareholders
Kent Hills Wind LP(1) | 17% — Natural Forces Technologies Inc.
(1) Owned by TransAlta Renewables. TransAlta Cogeneration, LP (“TA Cogen”) operates a portfolio of cogeneration facilities in Canada and owns 50 per cent of a dual-fuel generating facility. TransAlta Renewables ("RNW") owns and operates a portfolio of gas and renewable power generation facilities in Canada and owns economic interests in various other gas and renewable facilities of the Company. Kent Hills Wind LP, a subsidiary of TransAlta Renewables, owns and operates the 167 MW Kent Hills (1, 2 and 3) wind facilities located in New Brunswick. Summarized financial information relating to subsidiaries with significant non-controlling interests is as follows: A. TransAlta Renewables The net earnings, distributions and equity attributable to non-controlling interests include the 17 per cent non-controlling interest in Kent Hills Wind LP.
Year ended Dec. 31 | 2022 | 2021 | 2020
Revenues | 560 |  | 470 |  | 436 |
Net earnings | 74 |  | 139 |  | 97 |
Total comprehensive income (loss) | (67) |  | 66 |  | 223 |
Amounts attributable to the non-controlling interests: |  |  |
Net earnings | 20 |  | 50 |  | 40 |
Total comprehensive income (loss) | (36) |  | 21 |  | 90 |
Distributions paid to non-controlling interests | 100 |  | 100 |  | 80 |
As at Dec. 31 | 2022 | 2021
Current assets | 240 |  | 430 |
Long-term assets | 2,989 |  | 3,319 |
Current liabilities | (306) |  | (593) |
Long-term liabilities | (1,118) |  | (1,033) |
Total equity | (1,805) |  | (2,123) |
Equity attributable to non-controlling interests | (732) |  | (869) |
Non-controlling interests’ share (per cent) | 39.9 | 39.9
B. TA Cogen
Year ended Dec. 31 | 2022 | 2021 | 2020
Revenues | 347 |  | 265 |  | 146 |
Net earnings (loss) | 143 |  | 103 |  | (13) |
Total comprehensive income (loss) | 143 |  | 103 |  | (13) |
Amounts attributable to the non-controlling interest: |  |  |
Net earnings (loss) | 91 |  | 62 |  | (6) |
Total comprehensive income (loss) | 91 |  | 62 |  | (6) |
Distributions paid to Canadian Power Holdings Inc. | 87 |  | 56 |  | 17 |
As at Dec. 31 | 2022 | 2021
Current assets | 127 |  | 66 |
Long-term assets | 253 |  | 312 |
Current liabilities | (62) |  | (52) |
Long-term liabilities | (27) |  | (36) |
Total equity | (291) |  | (290) |
Equity attributable to Canadian Power Holdings Inc. | (147) |  | (142) |
Non-controlling interest share (per cent) | 49.99 | 49.99

X
- Definition The disclosure of non-controlling interests. [Refer: Non-controlling interests] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 10 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_10_e&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interests In Other Entities [Abstract] + References No definition available. + Details
Name: | tac_InterestsInOtherEntitiesAbstract
Namespace Prefix: | tac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration