- Climate change and its impact on operations and the energy grid.
- Meeting customer energy needs while transitioning to cleaner energy sources.
- Managing risks associated with cybersecurity and data privacy.
- Ensuring a just and equitable energy transition for all stakeholders.
Ameren Corporation
Greenhouse gas emissions & sustainability report data
In its 2023 reporting, Ameren Corporation disclosed greenhouse gas emissions of 49.8M tCO2e (2022). By scope: Scope 1: 25.0M tCO2e (2022); Scope 2: 81.2K tCO2e (2022); Scope 3: 21.5M tCO2e (2022). Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
49.8M tCO2e (2022)
2023
Water Usage
Approximately 4 million megaliters of surface water used annually for cooling water at generation plants and pollution controls; about 53 million megaliters used for direct energy generation at hydroelectric sites.
2023
📊 Emissions by Scope (2023)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 25.0M tCO2e (2022) |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 81.2K tCO2e (2022) |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 21.5M tCO2e (2022) |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2023 | 49.8M tCO2e (2022) |
| 2020 | 31.8M tCO2e/year (2020) |
| 2019 | 24.5M tCO2e/year |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Announcing a new 20-year plan to reliably meet Missouri customers’ energy needs in an environmentally responsible manner, including accelerated deployment of renewable energy and investment in new on-demand energy sources.
- 37% reduction in CO2 emissions (generation) below 2005 levels
- 58% reduction in NOx emissions (generation) below 2005 levels
- 69% reduction in SO2 emissions (generation) below 2005 levels
- 91% reduction in Hg emissions (generation) below 2005 levels
- Successfully implemented a retread program, keeping 465 tires out of landfills in 2023.
- Investing approximately $9.4 billion in renewable energy between now and 2036.
🎯 Climate & Sustainability Targets
🔜 Short-term
- Reduce water withdrawal for thermal generation by 40% by 2030 (compared to 2005 levels).
📅 Medium-term
- Reduce GHG emissions by 60% by 2030 (compared to 2005 levels).
- Add 2,800 MW of new clean, renewable generation by 2030.
- Add 400 MW of battery storage by 2030.
🔭 Long-term
- Achieve net-zero carbon emissions by 2045.
- Reduce water withdrawal for thermal generation by 95% by 2045 (compared to 2005 levels).
🌱 ESG Focus Areas
Environmental StewardshipSocial ImpactGovernanceSustainable Growth