Illinois SB2181 mandates annual energy and water consumption reporting by data centers to the Illinois Power Agency.
SB2181, the Illinois Data Center Energy and Water Reporting Act, requires all data centers in Illinois to report their energy and water consumption annually to the Illinois Power Agency starting January 1, 2026. The reports must detail total energy and water consumption by month and specify the energy source and water usage application. The Agency will conduct a comprehensive study on the impact of data centers on rate-paying customers, consulting with stakeholders and analyzing relevant data.
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