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Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2022
Related Party [Abstract] |
Disclosure of interests in subsidiaries | 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
Details of the Company’s principal operating subsidiaries at Dec. 31, 2022, are as follows:
Subsidiary | Country | Ownership (per cent) | Principal activity
TransAlta Generation Partnership | Canada | 100 | Generation and sale of electricity
TransAlta Cogeneration, L.P. | Canada | 50.01 | Generation and sale of electricity
TransAlta Centralia Generation, LLC | US | 100 | Generation and sale of electricity
TransAlta Energy Marketing Corp. | Canada | 100 | Energy marketing
TransAlta Energy Marketing (U.S.), Inc. | US | 100 | Energy marketing
TransAlta Energy (Australia), Pty Ltd. | Australia | 100 | Generation and sale of electricity
TransAlta Renewables Inc. | Canada | 60.1 | Generation and sale of electricity
Associate or joint venture | Country | Ownership (per cent) | Principal activity
SP Skookumchuck Investment, LLC | US | 49 | Generation and sale of electricity
EMG International, LLC | US | 30 | Wastewater treatment and biogas fuel to generate electricity
Disclosure of information about key management personnel and transactions with associates | TransAlta’s key management personnel include the President and Chief Executive Officer ("CEO") and members of the senior management team that report directly to the President and CEO and the members of the Board. Key management personnel compensation is as follows:
Year ended Dec. 31 | 2022 | 2021 | 2020
Total compensation | 23 |  | 30 |  | 27 |
Comprised of: |  |  |
Short-term employee benefits | 11 |  | 14 |  | 12 |
Post-employment benefits | 1 |  | 1 |  | 2 |
Share-based payments | 11 |  | 15 |  | 13 |
Transactions with Brookfield include the following:
Year ended Dec. 31 | 2022 | 2021 | 2020
Power sales | 127 |  | 27 |  | 10 |
Purchased power | 12 |  | 3 |  | 3 |
Asset management fees paid | 2 |  | 2 |  | 1 |

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