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 65 is higher than 82% of the industry. This can give you a sense of how well the company is doing compared to its peers.
In 2023, Ameren's total carbon emissions amounted to approximately 36,000,000,000 kg CO2e, comprising 19,883,180,000 kg CO2e from Scope 1, 84,831,000 kg CO2e from Scope 2, and 16,599,962,000 kg CO2e from Scope 3 emissions. The Scope 3 emissions included significant contributions from fuel and energy-related activities (about 9,827,717,000 kg CO2e) and the use of sold products (approximately 3,930,473,000 kg CO2e). Ameren has set ambitious carbon reduction targets, aiming for a 60% reduction in emissions by 2030 and an 85% reduction by 2040, both based on 2005 levels. Furthermore, the company is committed to achieving net-zero carbon emissions by 2045. These targets encompass all scopes of emissions, reflecting a comprehensive approach to climate action. The company's emissions data is sourced directly from Ameren Corporation, with no cascading from a parent or related organization. Ameren's commitment to sustainability is evident in its long-term strategy, which aligns with industry standards for climate 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.

