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Back to Our Sustainability Approach

Data, Reports and Policy

Ameren reports on its sustainability performance following widely recognized ESG reporting standards. These reports provide our stakeholders with transparency into how we are leading the way to a more sustainable energy future. Reporting also helps us evaluate our operations and pushes us to continuously improve how we manage our commitments to our people, our communities, our environment and our business.

Sustainability Report (PDF)

The 2024 report offers a comprehensive view of the actions taken on key environmental, social impact, governance and sustainable growth topics.

EEI-AGA ESG/
Sustainability Template
(PDF)

Coordinated by the Edison Electric Institute (EEI) and American Gas Association (AGA), this report follows one of the most used ESG reporting standards for utilities. Ameren piloted and participates in this voluntary industry initiative to better serve customers and investors with more uniform and consistent reporting.

Global Reporting Initiative
(GRI) Framework (PDF)

This report is designed to provide stakeholders with useful information regarding ESG topics.

TCFD Climate Report
(PDF)

A report based on the Task Force on Climate-Related Financial Disclosure (TCFD) recommendations.

Sustainability Accounting
Standards Board
(SASB) Report (PDF)

This report is designed to provide stakeholders with useful information regarding ESG topics.

United Nations Sustainable
Development Goals (PDF)

Ameren is driving progress toward these goals within our company and in the communities we serve.

Carbon Disclosure Project

Ameren has participated in this voluntary disclosure report for many years. Learn more about Ameren's environmental and risk management initiatives through our Carbon Disclosure Project (CDP) Questionnaires.

2023 CDP Climate Change Questionnaire with
Scope 1, 2 & 3 emissions assurance/verification
statements

2023 CDP Water Security Questionnaire with
water data assurance/verification statement

Ameren Missouri
Integrated Resource Plan

The Integrated Resource Plan (IRP) is a 20-year plan to provide reliable, affordable and resilient energy to its customers. The plan calls for investment in new on-demand energy sources to ensure the long-term stability of the energy grid and accelerated deployment of renewable energy generation. The Company's plan is environmentally responsible and consistent with its sustainability goals. The most recent IRP was filed in September 2023.

Water Resiliency Report
(PDF)

This voluntary report assesses current and future availability of water resources in Ameren’s region and in the Powder River Basin, a key portion of our supply chain. The report summarizes water resource availability trends under various climate assumptions.

Responsible Management of
Coal Combustion
Residuals (CCRs)

Consistently updated information on how we safely and responsibly handle CCRs.

St. Louis Green
Business Challenge

The St. Louis Green Business Challenge encourages businesses to implement strategies to reduce energy and waste, expand sustainability programs, and reduce environmental impact.

Policies

Waste Management Policy

We responsibly manage the wastes that are produced through our operations. Our approach includes implementing measures to avoid waste generation, recycling and reusing materials, and properly disposing of wastes that cannot be recycled.

View our Waste Management Policy

Environmental Policy

We have systems and tools in place to help us adhere to our environment commitments. These include an Environmental Management System to track our environmental projects, monitor our performance and measure our impact, so we can continue to find ways to improve. Regular audits are conducted to confirm we continue to operate well within our permits.

View our Environmental Policy

Supplier Policy

Ameren’s supplier policies ensure that the suppliers we work with meet our standards for safety, diversity, environmental and ethical performance. We expect our suppliers to uphold the same values as our company, including our commitment to social equity and environmental responsibility.

Our procurement department evaluates suppliers based on specific criteria, both during their initial screening and when renewing contracts. Ameren also enforces supplier policies related to business conduct and ethical performance.

Supplier Policy Details

Biodiversity Policy

  • Assess and prevent or reduce impacts on biodiversity from company actions and ongoing operations, wherever possible.
  • Promote, support and participate in wildlife conservation initiatives and programs that are responsive to and consistent with our business activities.
  • Continue to implement habitat mitigation measures or enhancements associated with projects as we improve and modernize our electric and natural gas businesses.
  • Continue to establish habitat-friendly areas on Ameren-owned properties where feasible.
  • Utilize pollinator-supportive and native plants as part of construction, maintenance and restoration activities, and in landscaping at offices, where practical.
  • Create awareness and understanding of biodiversity by engaging with co-workers and stakeholders, including the communities and customers we serve, government agencies, universities and other organizations when planning, building and operating our energy infrastructure.

Water Policy

Ameren is committed to protecting our natural resources, including reducing our water use and returning clean water to our environment. Water is a shared resource and we strive to uphold environmental standards and reduce our reliance on this critical resource in order to protect it for future generations.

View our Water Policy

Environmental Justice Principles

Ameren defines environmental justice as enabling the communities we serve to have meaningful opportunities to provide input as we consider programs, plans, operations, and investments that may impact those communities. Input will be considered regardless of ethnicity, color, national origin, primary language, social status, or income level. We will build and enhance relationships with historically underserved stakeholders to more effectively address potential environmental justice concerns.

Environmental Justice Principles

Human Rights Policy Statement

In keeping with Ameren's core values, Ameren supports international human rights principles such as those identified in the United Nations Universal Declaration of Human Rights and the United Nations Guiding Principles on Business and Human Rights.

Human Rights Policy
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