Jefferson County panel reviews draft local rules for data centers, seeks public input

Dec 10, 2025

County staff outlined draft regulations covering energy use, infrastructure costs, screening, buffers and enforcement for proposed data centers; state Public Service Commission staff and Ameren provided technical context on rates and capacity. Public hearings and draft ordinances were scheduled for review.

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County staff on Tuesday laid out draft local rules the Economic Development Objectives Committee said could be used to regulate large data centers in unincorporated Jefferson County, emphasizing local controls on energy efficiency, infrastructure costs and siting while state regulators and utilities define rates and generation needs.

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