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Ameren Corp

Common Name
Ameren
Country
United States
Sector
Utilities
Industry
Utilities - Regulated Electric
Employees
8,981
Ticker
AEE
Exchange
NEW YORK STOCK EXCHANGE, INC.
Description
Ameren Corporation is a leading utility holding company specializing in the generation, transmission, and distribution of electricity and natural gas. Its primary function is to ensure reliable energy...

Ameren's GHG Emissions Data Preview

In 2023, Ameren completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).

Ameren has also provided a category-level breakdown for 8 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.

Metric (tCO2e)2023202220212020 - 2017
Total Scope 1
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0000000
Total Scope 2
Market-Based
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a
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a
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a
0000000
Location-Based
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a
0000000
Total Scope 3
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a
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a
0000000
Total Scope 1 Revenue Intensity (tCO2e/$M)
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Verified Sources Behind Ameren’s Greenhouse Gas (GHG) Emissions Data

Every figure on this dashboard has a transparent audit trail. With Tracenable, each data point is traceable back to its original source, viewable directly inside our platform. Explore Ameren’s data sources below and access millions more through our Disclosure Search.

a. Ameren's Sustainability Report 2025
a. Ameren's Sustainability Report 2025
b. Ameren's CDP Climate sourced from company’s website 2020
b. Ameren's CDP Climate sourced from company’s website 2020

Insights into Ameren's Operational Emissions

In 2023, the total operational greenhouse gas (GHG) emissions ofAmeren amounted to19,968,011metric tons of CO2 equivalent.This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a

Compared to 2022, the total operational greenhouse gas (GHG) emissions of Amerendecreased by 20.29%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a

Ameren's Scope 1 Emissions Over Time

20182019202020212022202307.5 M15 M22.5 M30 MtCO2e-17%+6%+9%-12%-20%
  • Total Scope 1
  • Year-over-Year Change

What are Ameren's Scope 1 emissions?

In 2023, the total Scope 1 emissions of Ameren were 19,883,180 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a

Has Ameren reduced its Scope 1 emissions over time?

Since 2018, Ameren's Scope 1 emissions have decreased by 32.8%, reflecting a declining long-term trend in Scope 1 emissions over time.ab

Compared to the previous year(2022), Ameren's Scope 1 emissions decreased by 20.37%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a

What are Ameren's Scope 2 emissions?

In 2023, Ameren reported Scope 2 greenhouse gas (GHG) emissions of 84,831 tCOâ‚‚e using the market-based method and 84,831 tCOâ‚‚e using the location-based method.a

Has Ameren reduced its Scope 2 emissions over time?

Since 2018, Ameren's Scope 2 greenhouse gas (GHG) emissions (Location-Based)have increased by 13.68%, reflecting a rising long-term trend in Scope 2 emissions over time.ab

Compared to the previous year(2022), Ameren's Scope 2 emissions(Location-Based) have remained relatively stable, indicating that Ameren's emissions have plateaued with no significant change in its energy consumption footprint.a

What methodology does Ameren use for Scope 2 reporting?

In 2023, Ameren reported its Scope 2 emissions using the market-based method and using the location-based method.a

Ameren's Scope 2 Emissions Over Time

201820192020202120222023025 k50 k75 k100 ktCO2e
  • Total Scope 2 Location-Based
  • Total Scope 2 Market-Based

Insights into Ameren's Value Chain Emissions

In 2023, Ameren reported 16,599,962 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a

The 2023 disclosure of Ameren includes a breakdown across 8of the 15 Scope 3 categories defined by the GHG Protocol,matching the level of disclosure in 2022, demonstrating consistent Scope 3 emissions reporting coverage year over year.a

Ameren's Scope 3 Emissions Over Time

2019202020212022202305.5 M11 M16.5 M22 MtCO2e+1638%+37%+14%-23%
  • Total Scope 3
  • Year-over-Year Change

What are Ameren's Scope 3 emissions?

In 2023, Ameren reported total Scope 3 emissions of 16,599,962 metric tons of COâ‚‚ equivalent (tCOâ‚‚e).a

Approximately 76.32%of these emissions originated from upstream activities such as purchased goods and capital goods, while 23.68%came from downstream activities like product use, distribution, and end-of-life treatment.a

Compared to the previous year (2022), Ameren's Scope 3 emissions decreased by 22.73%, highlighting the company's efforts to lower indirect emissions from its value chain.a

What categories of Scope 3 emissions does Ameren disclose?

In 2023, Ameren reported emissions for 8 out of the 15 Scope 3 categories defined by the GHG Protocol.a

This partial disclosure allows for some insight into the company's indirect impacts.

What are the main sources of Ameren's Scope 3 emissions?

In 2023, the largest contributors to Ameren's Scope 3 emissions were:a

  • Fuel- and Energy-Related Services (Cat. 3): 9,827,717 tCOâ‚‚e(59.2%)
  • Use of Sold Products (Cat. 11): 3,930,473 tCOâ‚‚e(23.68%)
  • Purchased Goods and Services (Cat. 1): 1,800,530 tCOâ‚‚e(10.85%)

Ameren's Scope 3 Emissions by Categories

Purchased Goods andServices (Cat. 1)(10.8%)Use of Sold Products(Cat. 11)(23.7%)Fuel- andEnergy-RelatedServices (Cat. 3)(59.2%)

Insights into Ameren’s GHG Emissions Intensity Compared to Industry Peers

In 2023, Ameren reported Scope 1 greenhouse gas (GHG) emissions of 19,883,180 tCOâ‚‚e and total revenues of USD 7,500 millions. This translates into an emissions intensity of 2,651.09 tCOâ‚‚e per millions USD.a

Ameren's Scope 1 Emissions Intensity Compared to Peers

20,000200,0002,000,00020,000,000200,000,000Scope 1 Emissions (tCO2e)2001,0005,00020,00050,000Revenues (Millions of USD)CTPortland General ElectricYear: 2024Scope 1: 6,412,964 tCO2eRevenue: $M 3,440Scope 1 Intensity: 1,864.23 tCO2e/$MPinnacle West CapitalYear: 2024Scope 1: 10,975,406 tCO2eRevenue: $M 5,125Scope 1 Intensity: 2,141.58 tCO2e/$MAmerican Electric PowerYear: 2024Scope 1: 46,900,437 tCO2eRevenue: $M 19,721Scope 1 Intensity: 2,378.16 tCO2e/$MExelonYear: 2024Scope 1: 434,000 tCO2eRevenue: $M 23,028Scope 1 Intensity: 18.85 tCO2e/$MCMS EnergyYear: 2024Scope 1: 18,450,920 tCO2eRevenue: $M 7,515Scope 1 Intensity: 2,455.21 tCO2e/$MCCConsumers EnergyYear: 2023Scope 1: 12,482,384 tCO2eRevenue: $M 7,166Scope 1 Intensity: 1,741.89 tCO2e/$MConsolidated EdisonYear: 2024Scope 1: 2,587,000 tCO2eRevenue: $M 15,256Scope 1 Intensity: 169.57 tCO2e/$MDTE EnergyYear: 2024Scope 1: 24,216,000 tCO2eRevenue: $M 12,457Scope 1 Intensity: 1,943.97 tCO2e/$MEdison InternationalYear: 2024Scope 1: 1,100,000 tCO2eRevenue: $M 17,599Scope 1 Intensity: 62.50 tCO2e/$MOGE EnergyYear: 2023Scope 1: 9,040,683 tCO2eRevenue: $M 2,674Scope 1 Intensity: 3,380.58 tCO2e/$MCenterPoint EnergyYear: 2023Scope 1: 5,170,862 tCO2eRevenue: $M 8,696Scope 1 Intensity: 594.63 tCO2e/$MFirstEnergyYear: 2024Scope 1: 14,018,734 tCO2eRevenue: $M 13,472Scope 1 Intensity: 1,040.58 tCO2e/$MAlliant EnergyYear: 2024Scope 1: 13,121,958 tCO2eRevenue: $M 3,981Scope 1 Intensity: 3,296.15 tCO2e/$MTTTXNM EnergyYear: 2022Scope 1: 4,844,547 tCO2eRevenue: $M 2,250Scope 1 Intensity: 2,153.56 tCO2e/$MPPLYear: 2024Scope 1: 26,663,140 tCO2eRevenue: $M 8,462Scope 1 Intensity: 3,150.93 tCO2e/$MMGE EnergyYear: 2023Scope 1: 1,637,171 tCO2eRevenue: $M 690Scope 1 Intensity: 2,371.23 tCO2e/$MNextera EnergyYear: 2024Scope 1: 43,409,916 tCO2eRevenue: $M 24,753Scope 1 Intensity: 1,753.72 tCO2e/$MEvergyYear: 2024Scope 1: 20,958,294 tCO2eRevenue: $M 5,847Scope 1 Intensity: 3,584.27 tCO2e/$MDominion EnergyYear: 2024Scope 1: 31,862,016 tCO2eRevenue: $M 14,459Scope 1 Intensity: 2,203.61 tCO2e/$MPSEGYear: 2024Scope 1: 581,556 tCO2eRevenue: $M 10,290Scope 1 Intensity: 56.52 tCO2e/$MHawaiian Electric IndustriesYear: 2024Scope 1: 4,361,243 tCO2eRevenue: $M 3,220Scope 1 Intensity: 1,354.49 tCO2e/$MXcel EnergyYear: 2024Scope 1: 32,660,000 tCO2eRevenue: $M 13,441Scope 1 Intensity: 2,429.88 tCO2e/$MWEC Energy GroupYear: 2024Scope 1: 19,060,000 tCO2eRevenue: $M 8,600Scope 1 Intensity: 2,216.30 tCO2e/$MAmerenYear: 2023Scope 1: 19,883,180 tCO2eRevenue: $M 7,500Scope 1 Intensity: 2,651.09 tCO2e/$M

How does Ameren's GHG emissions intensity compare to its peers?

In 2023, Ameren reported a Scope 1 emissions intensity of 2,651.09 tCOâ‚‚e per millions USD. Compared to the peer group median of 2,141.58, this places the company above its industry benchmark, indicating it is less carbon-efficient than most competitors.a

Where does Ameren rank on GHG emissions intensity within its industry?

In 2023, Ameren ranked 20 out of 23 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCOâ‚‚e per millions USD).a

This places Ameren among the least efficient performers, with one of the highest emissions intensities in its sector.a

Insights into Ameren's Total Carbon Footprint

In 2023, Ameren reported a total carbon footprint of 36,567,973 metric tons of COâ‚‚ equivalent (tCOâ‚‚e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 21.42% decrease compared to 2022, indicating progress in reducing its overall greenhouse gas output.a

The largest contributor to Ameren's total carbon footprint was Scope 1 emissions, accounting for 54.37% of the company's total carbon footprint, followed by Scope 3 emissions at 45.39%.a

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