Climate Change Data

Environmental Metrics

ESG Focus Areas

• Climate Change
• Environmental Sustainability
• Social Responsibility
• Governance

Environmental Achievements

• Ameren Missouri exceeded its 2019 energy efficiency savings target by 93%, avoiding approximately 314,700 metric tons of CO2 emissions.
• Ameren Illinois achieved 97% of its 2019 electric energy efficiency savings target, avoiding approximately 277,400 metric tons of CO2 emissions.
• Ameren Illinois exceeded its 2019 natural gas energy efficiency savings target by 119%, avoiding approximately 22,200 metric tons of CO2 emissions.

Social Achievements

• Held a "Community Voices Workshop" to engage with community leaders and understand their needs.
• Implemented robust energy efficiency programs for customers in Missouri and Illinois.

Governance Achievements

• Established board-level oversight of climate-related issues through the Nuclear, Operations and Environmental Sustainability Committee (NOESC).
• Implemented a robust enterprise risk management (ERM) program to identify, assess, and manage climate-related risks.

Climate Goals & Targets

Environmental Challenges

• Increased capital expenditures for transitioning to lower-emission technologies.
• Increased operational and capital costs due to changes in precipitation patterns and extreme weather.
• Decreased revenues due to reduced demand for products and services resulting from shifts in consumer preferences.

Mitigation Strategies

• Developed a 2017 Integrated Resource Plan (IRP) to transition to a cleaner energy portfolio, including the addition of renewable energy and retirement of coal-fired generation.
• Investing $3.2 billion in transmission infrastructure improvements to enhance system reliability and resilience to weather events.
• Implementing robust energy efficiency programs to reduce customer energy consumption and mitigate the impact of reduced demand.

Supply Chain Management

Supplier Audits: 100 suppliers (representing 48% of annual spend) completed a sustainability assessment.

Responsible Procurement

• Membership in the Electric Utility Industry Sustainable Supply Chain Alliance (EUISSCA).

Climate-Related Risks & Opportunities

Physical Risks

• Changes in precipitation patterns and extreme weather events.
• Impacts on water resources and energy center operations.

Transition Risks

• Regulatory changes and shifts in energy policy.
• Changes in customer behavior and reduced demand for energy.

Opportunities

• Investments in renewable energy generation.
• Investments in grid modernization and resilience.
• Expansion of energy efficiency programs.

Reporting Standards

Frameworks Used: CDP Climate Change Questionnaire, US EPA Mandatory Greenhouse Gas Reporting Rule, USEPA Clean Air Act Acid Rain Program

Third-party Assurance: ERM Certification and Verification Services (limited assurance for Scope 1 and 2)

Sustainable Products & Innovation

• Pure Power voluntary renewable energy credit program
• Ameren Missouri Solar Rebates
• Ameren Missouri and Ameren Illinois Energy Efficiency Programs

Environmental Metrics

ESG Focus Areas

• Environmental Stewardship
• Supporting Customers, Communities and Workforce
• Executing Policies and Principles that Integrate ESG Matters into Risk Management, Strategic Planning and Oversight Frameworks
• Sustainable Growth

Environmental Achievements

• Reduced Scope 1 carbon emissions approximately 31% from 2005 levels based on an average of 2018-2020 emissions
• Transitioned from wet ash handling to dry ash handling systems, saving approximately 125 billion gallons of water from coal energy center and ash basin closures
• Generated over $3.5 billion in net benefits to all customers since 2010 thanks to energy-efficient upgrades

Social Achievements

• Contributed more than $23 million in energy assistance funds and COVID-19 support to customers
• Total diverse spend in 2020 was approximately $810 million, with contracts distributed among women-, minority- and veteran-owned businesses
• Ameren Cares delivered more than $11 million in philanthropic support in cash and in-kind donations to nonprofit organizations across the company’s service territory in 2020

Governance Achievements

• Amending the Nuclear, Operations and Environmental Sustainability Committee’s charter to ensure focused oversight of environmental sustainability matters
• Reflecting ESG metrics in Ameren’s executive compensation program
• Addressing the continued investor focus on board composition and refreshment through the addition of five new members to the board of directors since 2016

Climate Goals & Targets

Environmental Challenges

• Climate change
• COVID-19 pandemic impacts (customer demand, payments, workforce health, supply chain disruptions, capital market access)
• Regulatory changes and ratemaking determinations
• Technological advances impacting energy prices and demand
• Cost control and investment recovery while maintaining affordability
• Fuel cost and availability
• Cyberattacks
• Weather conditions and natural phenomena
• Compliance with environmental laws and regulations
• Renewable energy standards compliance
• Labor disputes and workforce costs

Mitigation Strategies

• Climate risk strategy aligned with Paris Agreement objectives
• Business continuity plans
• Enterprise risk management (ERM) framework
• Investments in energy infrastructure modernization ($17.1 billion between 2021 and 2025)
• Energy efficiency programs
• Electrification strategy (EV charging stations, fleet electrification goal)
• Robust cybersecurity program
• Risk management strategies
• Smart Energy Plan and Grid Modernization Action Plan
• Investments in renewable energy generation
• Customer energy-efficiency programs

Supply Chain Management

Responsible Procurement

• Increasing the number of diverse suppliers

Climate-Related Risks & Opportunities

Physical Risks

• Weather conditions and other natural phenomena

Transition Risks

• Regulatory changes, market shifts, technological advances

Opportunities

• Development of energy-efficient products
• Growth opportunities from electrification

Reporting Standards

Frameworks Used: EEI-AGA ESG/Sustainability Template, TCFD

Environmental Metrics

ESG Focus Areas

• Water Security
• Climate Change
• Renewable Energy
• Environmental Stewardship

Environmental Achievements

• Reduced water withdrawal for thermal generation by 9% in 2022 compared to 2021.
• Transitioned to dry ash handling at 8 of 10 coal combustion units, significantly reducing water usage.
• Upgraded wastewater treatment systems at three energy centers to improve water efficiency.
• Retired one coal-fired energy center in 2022, further reducing water consumption.

Social Achievements

• Provides safely managed water, sanitation, and hygiene (WASH) services to all employees.
• Engages with suppliers on sustainability initiatives, including water stewardship.
• Engages with customers and communities to address water-related concerns.

Governance Achievements

• Developed and publicly available water policy.
• Board-level oversight of water-related issues.
• Integrates water-related issues into long-term strategic business plan.

Climate Goals & Targets

Environmental Challenges

• Regulatory uncertainty regarding Section 316(b) of the Clean Water Act, potentially requiring costly cooling system modifications.
• Potential for increased water stress in the Powder River Basin, a key source of coal.
• Risk of flooding and extreme weather events impacting operations.

Mitigation Strategies

• Conducting studies and engaging with regulatory agencies to address Section 316(b) requirements.
• Monitoring supply chain for water-related risks and reducing reliance on coal through renewable energy investments.
• Implementing system hardening measures such as flood walls, berm upgrades, and stormwater management.

Supply Chain Management

Supplier Audits: 97 of top suppliers (61% of annual spend) completed a voluntary sustainability assessment.

Responsible Procurement

• Requesting information on water-related dependencies and minimization activities from top suppliers.

Climate-Related Risks & Opportunities

Physical Risks

• Flooding
• Extreme weather events

Transition Risks

• Regulatory changes related to water quality and thermal discharges.
• Increased water stress in the Powder River Basin.

Opportunities

• Improved water efficiency through dry ash handling and wastewater treatment upgrades.
• Increased resilience to climate change impacts through infrastructure investments.

Reporting Standards

Frameworks Used: CDP Water Security Questionnaire

Third-party Assurance: ERM Certification & Verification Services Incorporated

UN Sustainable Development Goals

• SDG 6: Clean Water and Sanitation

Providing safely managed WASH services to employees, reducing water withdrawal for thermal generation, and engaging in water stewardship initiatives.

Environmental Metrics

ESG Focus Areas

• Environmental Stewardship
• Social Impact
• Governance
• Sustainable Growth

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.

Social Achievements

• Enhancing support for customers having trouble paying energy bills through impactful programs.
• Enhancing diverse board of directors, welcoming a new member with extensive utility leadership experience.
• Developing workforce with strong participation in formal mentoring and early- and mid-career pipeline programs.
• Donated two 90-ton turbine runners to Keokuk, Iowa, and Hamilton, Illinois for public display.
• AmerenCares donated $12 million in cash and in-kind contributions to hundreds of organizations.
• $500,000 multiyear commitment to Delmar DivINe to support North St. Louis programming.
• $1 million multiyear pledge to support Beyond Housing’s Once and for All effort.
• $140,000 multiyear commitment to Project Lead the Way to support K-12 STEM education.
• $200,000 in grants to 100 public libraries through the Love Your Library program.
• Teamed up with KidSmart to distribute school supplies to more than 300 teachers.

Governance Achievements

• Developing our workforce with strong participation in formal mentoring, early- and mid-career pipeline programs.
• Advocating for constructive regulatory policies across all operating segments.
• Strengthening cybersecurity programs and training.

Climate Goals & Targets

Environmental Challenges

• 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.

Mitigation Strategies

• Developing a 20-year energy plan with accelerated renewable energy deployment and investment in new on-demand energy sources.
• Investing in grid modernization and upgrades to accommodate renewable energy resources.
• Implementing comprehensive cybersecurity programs and training.
• Establishing an energy equity framework with focus on energy justice, just transition, economic and workforce development, and social impact.

Supply Chain Management

Responsible Procurement

• Supplier diversity program, aiming for 31% diverse spend.

Climate-Related Risks & Opportunities

Physical Risks

• Extreme weather events

Transition Risks

• Regulatory changes, market shifts

Opportunities

• Development of renewable energy resources, energy efficiency improvements.

Reporting Standards

Frameworks Used: GRI, SASB, TCFD, EEI-AGA ESG/Sustainability Template

Third-party Assurance: ERM Certification and Verification Services, Inc. (for GHG emissions)

UN Sustainable Development Goals

• Goal 7 (Affordable and Clean Energy)
• Goal 9 (Industry, Innovation, and Infrastructure)
• Goal 11 (Sustainable Cities and Communities)
• Goal 13 (Climate Action)
• Goal 8 (Decent Work and Economic Growth)

Ameren's initiatives contribute to these goals through renewable energy development, grid modernization, community engagement, emissions reduction, and workforce development.

Awards & Recognition

• Fair360 (formerly DiversityInc) Hall of Fame