Mississippi Expands Ad Valorem Tax Exemptions for Battery Storage Systems

March 19, 2026, 8:14 PM UTC

The Mississippi Governor signed a law expanding eligibility for ad valorem tax exemptions to include battery energy storage system facilities. The law adds battery energy storage systems as a qualifying enterprise for county and municipal tax exemptions of up to 50 percent of the assessed value of certain projects. The law is effective July 1. [S.B. 3116, enacted 03/16/26]

This story was produced by Bloomberg Tax Automation, and edited by Bloomberg Tax staff.

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