Ameren Missouri, a subsidiary of Ameren Corporation , announced that the Missouri Public Service Commission (PSC) has approved a new large load user rate structure under its Powering Missouri Growth Plan. The plan is designed to ensure that high-usage customers, such as data centers and advanced manufacturing businesses, pay their fair share of grid enhancements and energy costs while protecting other customers from unfair charges.
Objectives of the Powering Missouri Growth Plan
The plan aims to:
Create jobs by attracting new businesses and supporting expansion of existing ones in Missouri.
Enhance community services, generating additional revenue for schools, fire protection, and public infrastructure.
Ensure fair cost allocation, requiring large electric load customers to cover their proportional share of service costs.
Consumer Protection and Compliance Measures
Under Missouri Senate Bill 4, the approved plan mandates that new large load businesses:
Pay 100% of direct interconnection costs upfront, along with financial security equivalent to two years of minimum monthly bills.
Enter into long-term contracts of 12–17 years, with early termination fees if obligations are not met.
Avoid rate discounts or incentives.
Meet a minimum monthly demand charge of 80% of maximum requested electric demand.
Share excess profits with other customer classes, including income-eligible customers.
Economic and Clean Energy Benefits
The Powering Missouri Growth Plan is designed to attract billions in investment and thousands of new jobs, positioning Missouri as a competitive location for business growth. It also allows industrial customers to pursue clean energy targets through Ameren Missouri’s optional Clean Energy Advancement programs.
Michael Moehn, interim chairman and president of Ameren Missouri, said: “Missouri is an attractive state for economic development, and all customers deserve reliable service as well as just and reasonable rates. We are committed to working with our communities to help them thrive.”
Rob Dixon, senior director of economic, community, and business development, added: “Availability, reliability and affordability of energy are among the top considerations for businesses. With a balanced energy mix, a robust transmission system, and some of the lowest electric rates in the country, Missouri is open for business.”
Investing in Infrastructure and Grid Resiliency
Ajay Arora, senior vice president and chief development officer for Ameren Missouri, stated: “Our plan is about powering growth while investing in grid resiliency in a sustainable manner. We are accelerating investments in dispatchable generation, storage, and electric infrastructure to meet the needs of all customers at fair and reasonable rates.”
Ameren Missouri’s revised Preferred Resource Plan, announced in February 2025, anticipates up to 2 gigawatts of new energy demand by 2032, balancing generation resources to deliver reliable, affordable, and cleaner energy for all customers.
The new PSC-approved rate structure represents a significant step in Missouri’s strategy to support economic development, clean energy adoption, and sustainable community growth.
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