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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.
38
DitchCarbon score
+22 vs industry average
Transalta’s score of 38 is higher than 64% 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
Very High
Electricity from Other Sources is among the most carbon-intensive industries
Industry performance
3.039
20182025
The Electricity from Other Sources industry has reduced its overall emissions by 36% since 2018
Emissions trajectory 2020 – 2028
202020212022202320242025202620272028
Reported emissions
Scope 1
•••kg CO₂e
Scope 2
•••kg CO₂e
Scope 3
•••kg CO₂e
Total reported
•••kg CO₂e
Scope 3 accounts for ••• of total emissions.
Transalta's reported carbon emissions
TransAlta, an Electricity nec company headquartered in CA, reported total carbon emissions of approximately 14.9 billion kg CO2e in 2025. This includes about 9.5 billion kg CO2e from Scope 1, 100 million kg CO2e from Scope 2, and approximately 5.3 billion kg CO2e from Scope 3 emissions.
In 2024, the company's total emissions were approximately 13.1 billion kg CO2e, with Scope 1 emissions at about 9.5 billion kg CO2e, Scope 2 at 100 million kg CO2e, and Scope 3 at around 3.4 billion kg CO2e. In 2023, TransAlta reported total emissions of approximately 13.4 billion kg CO2e, consisting of about 10.9 billion kg CO2e in Scope 1, 100 million kg CO2e in Scope 2, and roughly 3.4 billion kg CO2e in Scope 3.
TransAlta has established Science Based Targets initiative (SBTi) commitments. The company aims to reduce Scope 1 and 2 GHG emissions by 56.3% per MWh by 2026, using a 2015 base year. This target is equivalent to a 75% absolute reduction. Additionally, TransAlta is committed to reducing absolute Scope 3 GHG emissions by 46.2% within the same timeframe. These targets are classified as near-term and are consistent with reductions required to limit global warming to 1.5°C.
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Transalta’s Climate Goals (2030 & 2050)
3 goals2026
56.3% reduction in Scope 1
TransAlta commits to reduce scope 1 and 2 GHG emissions 56.3% per MWh by 2026 from a 2015 base year, equivalent to a 75% absolute reduction.…
Insufficient data56.3%
2026
56.3% reduction in Scope 2
TransAlta commits to reduce scope 1 and 2 GHG emissions 56.3% per MWh by 2026 from a 2015 base year, equivalent to a 75% absolute reduction.…
Insufficient data56.3%
2026
46.2% reduction in scope 3 total
TransAlta commits to reduce scope 1 and 2 GHG emissions 56.3% per MWh by 2026 from a 2015 base year, equivalent to a 75% absolute reduction.…
Insufficient data46.2%
Showing SBTi-validated targets only. Sign up or sign in to see all disclosed climate targets.
Scope 3 top emissions categories
5 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives
Science Based Targets Initiative
2026 targetSee details
Active
Carbon Disclosure Project
See details
Not active
The Climate Pledge
See details
Not active
UN Global Compact Climate Champions initiative
See details
Not active
RE 100
See details
Not active
Climate Action 100
See details
Not active
Emissions comparison with industry peers
View similar organisationsCompanyCountryIndustryLast updatedScoreDetails
Transalta1 month ago
38
DEAutomatic Environmental Control Manufacturing for Residential, Commercial, and Appliance UseView
7 days ago
100
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Frequently asked questions
Common questions about Transalta’s sustainability data and climate commitments
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