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TransAlta Corp
TransAlta's GHG Emissions Data Preview
In 2024, TransAlta completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
TransAlta has also provided a category-level breakdown for 5 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2024 | 2023 | 2022 | 2021 - 2017 |
|---|---|---|---|---|
Total Scope 1 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 2 | ||||
Unspecified Calculation Method | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 3 | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
Total Scope 1 Revenue Intensity (tCO2e/$M) | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | Copy restricted. Please purchase to unlock this data.  a | 0000000 |
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aVerified Sources Behind TransAlta’s Greenhouse Gas (GHG) Emissions Data
Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore TransAlta’s data sources below and access millions more through our Disclosure Search.
Insights into TransAlta's Operational Emissions
In 2024, the total operational greenhouse gas (GHG) emissions ofTransAlta amounted to9,564,000metric tons of CO2 equivalent.This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2023, the total operational greenhouse gas (GHG) emissions of TransAltadecreased by 12.45%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
TransAlta's Scope 1 Emissions Over Time
- Total Scope 1
- Year-over-Year Change
What are TransAlta's Scope 1 emissions?
In 2024, the total Scope 1 emissions of TransAlta were 9,497,000 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a
Has TransAlta reduced its Scope 1 emissions over time?
Since 2021, TransAlta's Scope 1 emissions have decreased by 23.7%, reflecting a declining long-term trend in Scope 1 emissions over time.ab
Compared to the previous year(2023), TransAlta's Scope 1 emissions decreased by 12.64%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
What are TransAlta's Scope 2 emissions?
In 2024, TransAlta reported Scope 2 greenhouse gas (GHG) emissions of 67,000 tCOâ‚‚e without specifying the calculation method.a
Has TransAlta reduced its Scope 2 emissions over time?
Since 2021, TransAlta's Scope 2 greenhouse gas (GHG) emissions (Unspecified Calculation Method)have increased by 15.52%, reflecting a rising long-term trend in Scope 2 emissions over time.ab
Compared to the previous year(2023), TransAlta's Scope 2 emissions(Unspecified Calculation Method) rose by 26.42% in 2024, suggesting that the company faced challenges in reducing emissions from purchased electricity and energya
What methodology does TransAlta use for Scope 2 reporting?
In 2024, TransAlta reported its Scope 2 emissions using an unspecified methodology.a
TransAlta's Scope 2 Emissions Over Time
- Total Scope 2 (Unspecified Calculation Method)
Insights into TransAlta's Value Chain Emissions
In 2024, TransAlta reported 3,664,000 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2024 disclosure of TransAlta includes a breakdown across 5of the 15 Scope 3 categories defined by the GHG Protocol,matching the level of disclosure in 2023, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
TransAlta's Scope 3 Emissions Over Time
- Total Scope 3
- Year-over-Year Change
What are TransAlta's Scope 3 emissions?
In 2024, TransAlta reported total Scope 3 emissions of 3,664,000 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a
Approximately 29.35%of these emissions originated from upstream activities such as purchased goods and capital goods, while 70.65%came from downstream activities like product use, distribution, and end-of-life treatment.a
Compared to the previous year (2023), TransAlta's Scope 3 emissions remained relatively stable, indicating that TransAlta's emissions have plateaued with no significant change in its value chain footprint.a
What categories of Scope 3 emissions does TransAlta disclose?
In 2024, TransAlta reported emissions for 5 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
What are the main sources of TransAlta's Scope 3 emissions?
In 2024, the largest contributors to TransAlta's Scope 3 emissions were:a
- Investments (Cat. 15): 1,834,000 tCOâ‚‚e(53.61%)
- Fuel- and Energy-Related Services (Cat. 3): 950,000 tCOâ‚‚e(27.77%)
- Use of Sold Products (Cat. 11): 583,000 tCOâ‚‚e(17.04%)
TransAlta's Scope 3 Emissions by Categories
Insights into TransAlta’s GHG Emissions Intensity Compared to Industry Peers
In 2024, TransAlta reported Scope 1 greenhouse gas (GHG) emissions of 9,497,000 tCOâ‚‚e and total revenues of USD 1,978 millions. This translates into an emissions intensity of 4,801.9 tCOâ‚‚e per millions USD.a
TransAlta's Scope 1 Emissions Intensity Compared to Peers
How does TransAlta's GHG emissions intensity compare to its peers?
In 2024, TransAlta reported a Scope 1 emissions intensity of 4,801.9 tCOâ‚‚e per millions USD. Compared to the peer group median of 4,912.5, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
Where does TransAlta rank on GHG emissions intensity within its industry?
In 2024, TransAlta ranked 12 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCOâ‚‚e per millions USD).a
TransAlta is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
Insights into TransAlta's Total Carbon Footprint
In 2024, TransAlta reported a total carbon footprint of 13,228,000 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 9.84% decrease compared to 2023, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to TransAlta's total carbon footprint was Scope 1 emissions, accounting for 71.79% of the company's total carbon footprint, followed by Scope 3 emissions at 27.7%.a