Mo. PSC Adds Consumer Protections to Ameren Large Load Rate Plan
Ameren Missouri's planned Big Hollow Energy Center includes 800 MW of gas generation and a 400-MW battery storage facility. The plant would replace the retiring Rush Island Energy Center. | Ameren Missouri
Nov 26, 2025
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The Missouri PSC unanimously approved a settlement agreement on rates for Ameren’s large load customers that insulates ratepayers from most costs associated with supplying data centers’ electricity needs.
