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File #: 25-905    Version: 1 Name: BESS Ordinance
Type: Ordinance Status: Regular Calendar
In control: Resource Management
On agenda: 11/4/2025 Final action: 11/4/2025
Title: Conduct a noticed Public Hearing to consider adoption of an ordinance for Zone Text Amendment ZT-25-02 to amend Chapter 28 of the Solano County Code to revise and update regulations pertaining to Battery Energy Storage Systems within unincorporated Solano County; the project is exempt from the California Environmental Quality Act (CEQA) pursuant to Sections 15061(b)(3), 15307, and 15308 of the CEQA Guidelines
District: All
Attachments: 1. A - (Clean) ZT-25-02 (BESS) Ordinance, 2. B - (Red-Lined) ZT-25-02 (BESS) Ordinance, 3. C - GC 65858 10-Day Report, 4. D - Public Notice
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Conduct a noticed Public Hearing to consider adoption of an ordinance for Zone Text Amendment ZT-25-02 to amend Chapter 28 of the Solano County Code to revise and update regulations pertaining to Battery Energy Storage Systems within unincorporated Solano County; the project is exempt from the California Environmental Quality Act (CEQA) pursuant to Sections 15061(b)(3), 15307, and 15308 of the CEQA Guidelines

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Published Notice Required? Yes _X__ No __ _
Public Hearing Required? Yes _X__ No __ _

DEPARTMENTAL RECOMMENDATION:

The Department of Resource Management recommends that the Board of Supervisors:

1. Read the proposed ordinance by title only and waive further reading by majority vote;

2. Conduct a noticed public hearing to consider Zone Text Amendment ZT-25-02; and

3. Adopt the proposed ordinance Zone Text Amendment No. ZT-25-02 amending Chapter 28 of the Solano County Code to revise and update regulations pertaining to Battery Energy Storage Systems within unincorporated Solano County (Attachment A).

SUMMARY:

The matter before the Board of Supervisors involves proposed amendments to Chapter 28 of the Solano County Code (Zoning Regulations) to revise and update regulations related to Battery Energy Storage Systems (BESS), specifically "front-of-the-meter" BESS, in the unincorporated area of Solano County. In general, "front-of-the-meter" BESS facilities are directly connected to the transmission or distribution grid and primarily serve wholesale market functions. They collect energy from the grid, store it, and then discharge that energy later to provide electricity or other grid services when needed.

Current Solano County Zoning Regulations allow "front-of-the-meter" BESS (hereinafter simply referred to as "BESS"), in all zoning districts in the County with a Use Permit as "utility facilities or infrastructure, outside of right-of-way." The current Zoning Regulations do not contain any specific standards for BESS fa...

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