Data Centers in Downstate Illinois — Community FAQ and Benefits Guide

02/04/2026

Source: Envision Southwestern Illinois

This resource provides general background information related to data center development in downstate and southwestern Illinois. It is intended to assist community leaders and residents by addressing commonly raised questions through a question-and-answer format.

The document covers topics frequently discussed in public conversations about data centers, including economic considerations, water use, electric grid impacts, noise, traffic, environmental factors, and the typical steps involved before a project is reviewed or approved. It also distinguishes between construction-phase activity and ongoing operations.

Information in this resource is presented at a regional level and reflects general practices and considerations rather than site-specific conditions. The content is provided for informational purposes only and is not project-specific.

Inclusion of this resource does not indicate that a data center project has been proposed, reviewed, or approved in Granite City.

External resources are provided for general informational purposes. The City of Granite City does not endorse third-party materials and will evaluate any future project based on applicable laws, ordinances, and public review processes.

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