Legislation Details

File #: AC 25-033    Version: 1 Name: BESS Ordinance
Type: ALUC-Document Status: ALUC-Regular-NW
In control: Airport Land Use Commission
On agenda: 10/9/2025 Final action:
Title: ALUC 25-09 (Solano County Battery Energy Storage Systems Ordinance) Determine that Application No. ALUC 25-09 (Solano County Battery Energy Storage Systems Ordinance) which would amend Solano County's zoning regulation (Chapter 28 of County Code) to revise and update sections pertaining to front-of-the-meter Battery Energy Storage Systems in the unincorporated Solano County, is consistent with the Travis Air Force Base (AFB), Nut Tree and Rio Vista Airport Land Use Compatibility Plans (LUCP).
Attachments: 1. A - Compatibility Zones Criteria, 2. B - Compatibility Zones Map, 3. C - Proposed Ordinance Redlined, 4. D - Draft Resolution
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ALUC 25-09 (Solano County Battery Energy Storage Systems Ordinance)

Determine that Application No. ALUC 25-09 (Solano County Battery Energy Storage Systems Ordinance) which would amend Solano County's zoning regulation (Chapter 28 of County Code) to revise and update sections pertaining to front-of-the-meter Battery Energy Storage Systems in the unincorporated Solano County, is consistent with the Travis Air Force Base (AFB), Nut Tree and Rio Vista Airport Land Use Compatibility Plans (LUCP).

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RECOMMENDATION:

Adopt a Resolution determining that Application No. ALUC 25-09 (Solano County Battery Energy Storage Systems Ordinance) which would amend Solano County's zoning regulations (Chapter 28 of County Code) to revise and update sections pertaining to front-of-the-meter Battery Energy Storage Systems in the unincorporated Solano County, is consistent with the Travis Air Force Base (AFB), Nut Tree and Rio Vista Airport Land Use Compatibility Plans (LUCP).

DISCUSSION:

Cal. Public Utilities Code section 21676(b) of the State Aeronautics Act requires the Airport Land Use Commission (ALUC) review zoning regulation changes within an Airport Influence Area.

Project Description

The County of Solano proposes to amend Chapter 28 (Zoning Regulations) of the Solano County Code to revise and update sections pertaining to front-of-the-meter Battery Energy Storage Systems (BESS) in the unincorporated Solano County.

The proposed BESS ordinance establishes comprehensive regulations for battery energy storage systems with a capacity of 1 megawatt hour or greater, including strict siting requirements that prohibit BESS facilities in fire hazard zones, floodplains without flood protection measures, and agricultural zones, while requiring substantial setbacks from sensitive receptors (300 feet for systems with thermal runaway risk). The ordinance mandates extensive safety measures including third-party technical studies, emergency response planning, fire protection...

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