XML 51 R21.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Non-Controlling Interests | 12 Months Ended
--- | ---
Dec. 31, 2021
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, 2021
TransAlta Cogeneration L.P. | 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, L.P. (“TA Cogen”) operates a portfolio of cogeneration facilities in Canada and owns 50 per cent of a dual-fuel generating facility. TransAlta Renewables 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. 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 the 167 MW Kent Hills wind facility located in New Brunswick.
Year ended Dec. 31 | 2021 | 2020 | 2019
Revenues | 470 |  | 436 |  | 446 |
Net earnings | 139 |  | 97 |  | 183 |
Total comprehensive earnings | 66 |  | 223 |  | 138 |
Amounts attributable to the non-controlling interests: |  |  |
Net earnings | 50 |  | 40 |  | 73 |
Total comprehensive earnings | 21 |  | 90 |  | 56 |
Distributions paid to non-controlling interests | 100 |  | 80 |  | 69 |
As at Dec. 31 | 2021 | 2020
Current assets | 430 |  | 743 |
Long-term assets | 3,319 |  | 2,913 |
Current liabilities | (593) |  | (364) |
Long-term liabilities | (1,033) |  | (987) |
Total equity | (2,123) |  | (2,305) |
Equity attributable to non-controlling interests | (869) |  | (948) |
Non-controlling interests’ share (per cent) | 39.9 | 39.9
In 2020, the Company's ownership per cent decreased from 60.4 per cent in 2019 to 60.1 per cent due to TransAlta Renewables issuing approximately 1 million common shares under their Dividend Reinvestment Plan ("DRIP"). The Company did not participate in this plan. In the fourth quarter of 2020, TransAlta Renewables suspended the DRIP in respect of any future declared dividends. B. TA Cogen
Year ended Dec. 31 | 2021 | 2020 | 2019
Results of operations |  |  |
Revenues | 265 |  | 146 |  | 181 |
Net earnings (loss) | 103 |  | (13) |  | 43 |
Total comprehensive earnings (loss) | 103 |  | (13) |  | 43 |
Amounts attributable to the non-controlling interest: |  |  |
Net earnings (loss) | 62 |  | (6) |  | 21 |
Total comprehensive earnings (loss) | 62 |  | (6) |  | 21 |
Distributions paid to Canadian Power Holdings Inc. | 56 |  | 17 |  | 37 |
As at Dec. 31 | 2021 | 2020
Current assets | 66 |  | 69 |
Long-term assets | 312 |  | 323 |
Current liabilities | (52) |  | (78) |
Long-term liabilities | (36) |  | (37) |
Total equity | (290) |  | (277) |
Equity attributable to Canadian Power Holdings Inc. | (142) |  | (136) |
Non-controlling interest share (per cent) | 49.99 | 49.99
In 2020, the Balancing Pool PPA concluded and the Sheerness facility became a merchant facility in 2021. This resulted in new protocols under the amended contractual agreement whereby the revenue and cost of sales for the facility are allocated based on dispatch activities. Capital and operating expenses continue to be allocated based on ownership interest.

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 2021-01-01 -Paragraph 10 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_10_e&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisclosureOfNoncontrollingInterestsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum: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