Commission recommends conditional‑use review for high‑voltage substations, tightens screening and setbacks

Jan 7, 2026

Planning staff proposed zoning performance standards to define transmission (≥138 kV) and distribution substations and add buffers, fencing and enhanced landscaping. The commission voted to forward the ordinance to the Board of Supervisors with an added recommendation that transmission‑voltage substations require a conditional use permit.

The full story

At a public hearing Jan. 7, staff presented a zoning text amendment to add performance standards for public utilities, distinguishing transmission‑voltage electrical substations (138 kV and higher) from distribution substations and proposing new buffers, fencing, and planting standards.

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