TransAlta Corporation, commonly referred to as TransAlta, is a leading player in the electricity sector, headquartered in Calgary, Alberta, Canada. Founded in 1909, the company has evolved significantly, establishing a strong presence in various regions across North America and Australia. Specialising in electricity generation, TransAlta operates a diverse portfolio that includes coal, natural gas, hydro, and renewable energy sources, setting it apart in the competitive landscape.
With a commitment to sustainability, TransAlta has made notable strides in transitioning towards cleaner energy solutions, positioning itself as a forward-thinking entity in the electricity nec industry. The company has achieved significant milestones, including the reduction of greenhouse gas emissions and the expansion of its renewable energy capacity. As a result, TransAlta is recognised not only for its operational excellence but also for its dedication to environmental stewardship and innovation in energy production.
+23 vs industry average
Transalta’s score of 38 is higher than 67% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Electricity from Other Sources is among the most carbon-intensive industries
Industry performance
The Electricity from Other Sources industry has reduced its overall emissions by 38% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Transalta's reported carbon emissions
TransAlta, headquartered in Canada and operating within the Electricity nec industry, has established specific climate commitments and reported its carbon emissions. For the 2025 reporting year, TransAlta reported total emissions of approximately 10,253,000,000 kg CO2e, comprising Scope 1 emissions of about 9,500,000,000 kg CO2e and Scope 2 emissions of approximately 100,000,000 kg CO2e. Scope 3 emissions for 2025 were reported to be about 653,000,000 kg CO2e, with significant contributions from investments (3,634,000,000 kg CO2e), use of sold products (609,000,000 kg CO2e), and fuel and energy-related activities (1,016,000,000 kg CO2e). In 2024, total emissions were approximately 10,283,000,000 kg CO2e, with Scope 1 at about 9,500,000,000 kg CO2e and Scope 2 at approximately 100,000,000 kg CO2e. Scope 3 emissions in 2024 amounted to approximately 683,000,000 kg CO2e, including investments (1,834,000,000 kg CO2e) and use of sold products (583,000,000 kg CO2e). For 2023, the company reported total emissions of approximately 11,703,000,000 kg CO2e, with Scope 1 emissions at about 10,900,000,000 kg CO2e and Scope 2 at approximately 100,000,000 kg CO2e. Scope 3 emissions in 2023 were approximately 703,000,000 kg CO2e. TransAlta has set science-based targets for emissions reductions. Specifically, the company commits to reducing Scope 1 and 2 GHG emissions by 56.3% per MWh by 2026 from a 2015 base year, which is equivalent to a 75% absolute reduction. Additionally, TransAlta aims to reduce its absolute Scope 3 GHG emissions by 46.2% within the same timeframe. These targets are aligned with keeping global warming to 1.5°C.
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Transalta’s Climate Goals (2030 & 2050)
No climate goals have been disclosed for Transalta yet.
Scope 3 top emissions categories
5 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives
Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Transalta
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Common questions about Transalta’s sustainability data and climate commitments
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