TransAlta Corporation, commonly known as TransAlta, is a leading Canadian power generation and wholesale marketing company headquartered in Calgary, Alberta. Founded in 1901, TransAlta has established itself as a key player in the energy sector, primarily focusing on renewable energy, natural gas, and coal-fired power generation across Canada, the United States, and Australia. With a diverse portfolio that includes wind, hydro, and solar energy, TransAlta is committed to sustainability and innovation in the energy industry. The company has achieved significant milestones, including a transition towards cleaner energy sources, positioning itself as a frontrunner in the shift to a low-carbon economy. Recognised for its operational excellence, TransAlta continues to enhance its market position through strategic investments and a commitment to environmental stewardship.
How does Transalta's carbon action stack up? DitchCarbon scores companies based on their carbon action and commitment to reducing emissions. Read about our methodology to learn more.
Mean score of companies in the Electricity from Other Sources industry. Comparing a company's score to the industry average can give you a sense of how well the company is doing compared to its peers.
Transalta's score of 35 is higher than 57% of the industry. This can give you a sense of how well the company is doing compared to its peers.
In 2023, TransAlta Corporation reported total greenhouse gas emissions of approximately 10,871,000,000 kg CO2e for Scope 1 and about 37,000,000 kg CO2e for Scope 2, resulting in a combined total of approximately 10,908,000,000 kg CO2e. This marks a significant increase from 2022, when the company reported approximately 10,179,000,000 kg CO2e for Scope 1 and about 54,000,000 kg CO2e for Scope 2, totalling around 10,233,000,000 kg CO2e. TransAlta has set ambitious climate commitments through the Science Based Targets initiative (SBTi). The company aims to achieve a 56.3% reduction in Scope 1 and 2 greenhouse gas emissions per megawatt-hour (MWh) by 2026, using 2015 as the baseline year. This target translates to a 75% absolute reduction in emissions. Additionally, TransAlta is committed to reducing absolute Scope 3 emissions by 46.2% within the same timeframe. These commitments reflect TransAlta's proactive approach to addressing climate change and align with industry standards for reducing greenhouse gas emissions. The company is focused on transitioning towards more sustainable energy practices while maintaining its operational efficiency.
Access structured emissions data, company-specific emission factors, and source documents
| 2009 | 2010 | 2011 | 2012 | 2013 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Scope 1 | 112,100,000 | 000,000,000 | 000,000,000 | 000,000,000 | 000,000,000 | 00,000,000,000 | 0,000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 |
| Scope 2 | - | - | - | - | - | 000,000,000 | - | 00,000,000 | 00,000,000 | 00,000,000 |
| Scope 3 | - | - | - | - | - | - | - | - | - | - |
Climate goals typically focus on 2030 interim targets and 2050 net-zero commitments, aligned with global frameworks like the Paris Agreement and Science Based Targets initiative (SBTi) to ensure alignment with global climate goals.
Transalta has established climate goals through participation in recognized frameworks and target-setting initiatives. Companies often set interim 2030 targets and long-term 2050 net-zero goals to demonstrate measurable progress toward decarbonization.

Common questions about Transalta's sustainability data and climate commitments