Company: TSLTF
Filing Date: 2025-12-12
Form Type: SUPPL
Source: 0001193125-25-317786
Chunk: 341

Company: TRANSALTA CORP
Filing Date: 2025-12-12
Form: SUPPL
Chunk 341
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 201 |
| Other operating expenses                |     |                         |   — |     |      |  98 |     |           |   — |     |      |  76 |     |                         |   — |     |      | 291 |     |           |   — |     |      | 220 |
| Total                                   |     |                         | 227 |     |      | 179 |     |           | 213 |     |      | 143 |     |                         | 677 |     |      | 525 |     |           | 690 |     |      | 421 |

OM&A OM&A expenses for the three and nine months ended Sept. 30, 2025 were $179 million and $525 million, respectively (Sept. 30, 2024 — $143 million and $421 million) and included costs to support strategic and growth initiatives, expenses related to operations of the Heartland Generation (Heartland) facilities and associated corporate costs and spending related to the planning, design and implementation of an upgrade to the Company’s enterprise resource planning (ERP) system. Carbon Compliance As at Sept. 30, 2025, the Company holds 443,067 emission credits in inventory that were purchased externally with a recorded book value of $21 million (Dec. 31, 2024 — 460,585 emission credits with a recorded book value of $18 million). The Company also has 1,555,309 (Dec. 31, 2024 — 2,109,491) of internally generated eligible emission credits from the Company’s Wind and Solar and Hydro segments which have no recorded book value. During the nine months ended Sept. 30, 2025, the Company utilized 1,498,447 emission credits (Sept. 30, 2024 — 978,894 emissions credits) with a carrying value of $17 million (Sept. 30, 2024 — $22 million), to settle a portion of the 2024 carbon compliance obligation (Sept. 30, 2024 — 2023 carbon compliance obligation). During the nine months ended Sept. 30, 2025, $103 million was recognized as a reduction in the Company’s carbon compliance costs (Sept. 30, 2024 — $42 million). Emission credits can be sold externally or can be used to offset future emission obligations from our gas facilities located in Alberta, where the compliance price of carbon is expected to increase,