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Supplier Policies

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. View policy details.

Supplier Diversity Program

An important element of our supplier program is spending with local suppliers to support jobs and our regional economy. In 2019, Ameren spent $150 billion with businesses in Missouri and Illinois.

In addition, Ameren has developed a dedicated supplier diversity program to identify diverse-owned businesses to support key areas of our supply chain. We’ve implemented a Diverse Business Mentoring Program and host a bi-annual Supplier Diversity Symposium with workshops and pitch meetings. On average, Ameren spends 25% of our total spending with diverse suppliers. Read about a few of our successful partnerships in our 2020 Diversity & Inclusion Annual Report.

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