Ameren Corporation, commonly referred to as Ameren, is a leading energy company headquartered in the United States, specifically in St. Louis, Missouri. Founded in 1902, Ameren has established itself as a key player in the utility industry, providing electricity and natural gas services to millions of customers across Illinois and Missouri. With a commitment to sustainability and innovation, Ameren focuses on delivering reliable energy solutions while investing in renewable resources and modern infrastructure. The company’s core services include electric transmission and distribution, natural gas distribution, and energy efficiency programmes, setting it apart through its dedication to customer service and environmental stewardship. Recognised for its efforts in clean energy initiatives, Ameren has achieved significant milestones in reducing carbon emissions and enhancing grid resilience, solidifying its position as a trusted energy provider in the region.
How does Ameren'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.
Ameren's score of 53 is higher than 74% of the industry. This can give you a sense of how well the company is doing compared to its peers.
In 2023, Ameren's carbon emissions in the US totalled approximately 19,517,102,000 kg CO2e for Scope 1 and about 26,585,287,000 kg CO2e for Scope 2 emissions, which includes purchased electricity. This represents a significant reduction from 2022, where Scope 1 emissions were about 24,553,847,000 kg CO2e and Scope 2 emissions were approximately 32,251,017,000 kg CO2e. Ameren has set ambitious climate commitments, targeting a 60% reduction in Scope 1 emissions by 2030 and an 85% reduction by 2040, both based on 2005 levels. Additionally, they aim for net-zero emissions by 2050. For Scope 2 emissions, the same reduction targets apply. These commitments reflect a comprehensive approach to addressing climate change and reducing their overall carbon footprint. The company has disclosed emissions data for Scope 1 and Scope 2, while Scope 3 emissions data is currently not available. Ameren's initiatives align with industry standards and demonstrate a commitment to sustainability and environmental responsibility.
Access structured emissions data, company-specific emission factors, and source documents
| 2005 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | |
|---|---|---|---|---|---|---|---|---|---|
| Scope 1 | 38,419,673,000 | - | - | - | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 |
| Scope 2 | - | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000 | 00,000,000 | 00,000,000 | 00,000,000 | 00,000,000 |
| Scope 3 | - | - | - | - | 000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 | 00,000,000,000 |
Ameren's Scope 3 emissions, which decreased by 23% last year and increased significantly since 2019, demonstrating supply chain emissions tracking. A significant portion of their carbon footprint comes from suppliers and value chain emissions, with Scope 3 emissions accounting for 45% of total emissions under the GHG Protocol, with "Fuel and Energy Related Activities" being the largest emissions source at 59% of Scope 3 emissions.
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.
Ameren 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.

