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Millis proposes zoning definitions for battery storage and data centers; residents ask about siting, noise and AI‑scale facilities

Millis Finance Committee (Fincom) · April 30, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Article 17 would add definitions and a three‑tier classification for battery energy storage systems (BESS) and data storage centers. Fincom described the change as a first step; residents raised concerns about potential siting in residential zones, noise, emissions and the possible inclusion of large AI/data centers under broad definitions.

At the pre‑Town Meeting session on April 29, Fincom reviewed Article 17, which would add definitions for Battery Energy Storage Systems (BESS) and data storage centers to the town’s zoning bylaws and add three items to Table 5 to classify BESS by tier.

Chair John Lohr read the definitions: a BESS is "a system consisting of a battery module or modules to store electrical energy derived from solar, an energy source, or direct from the electrical grid," and the article defines tier 1 as less than 250 kW, tier 2 as between 250 kW and 10 MW, and tier 3…

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