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File #: 2019-1576   
Type: Regular Calendar Item Status: Agenda Ready
File created: 10/10/2019 In control: Emergency Management
On agenda: 10/15/2019 Final action:
Title: Sonoma County PG&E Power Shutdown Event Update
Department or Agency Name(s): Emergency Management, County Counsel
Attachments: 1. Summary Report, 2. Resolution, 3. PowerPoint
Related files: 2019-1551

To: Board of Supervisors

Department or Agency Name(s): Emergency Management, County Counsel

Staff Name and Phone Number: Christopher Godley 707-565-2052

Vote Requirement: Majority

Supervisorial District(s): Countywide




Sonoma County PG&E Power Shutdown Event Update



Recommended Action:

Recommended action

A)                     Receive staff update on PG&E Power Shutdown Event in the Sonoma County Operational Area.

B)                     Adopt a resolution terminating the proclamation of local emergency in the Sonoma County Operational area due to PG&E De-Energization.



Executive Summary:

On October 7, 2019, the Director of Emergency Services for the County of Sonoma issued a Proclamation of a Local Emergency related to the imminent and likely de-energization by Pacific Gas & Electric Company (“PG&E”) of a substantial portion of the County of Sonoma due to weather conditions that increased the chance of wildfires.   Additionally, a Red Flag Warning was issued by the National Weather Service, which means warm temperatures, very low humidities, and stronger winds were expected to combine to produce an increased risk of fire danger.  In response, the Emergency Operations Center was opened on October 8, 2019 at 9:00a.m.


PG&E informed the County that a power shutoff was possible on October 9, 2019 through October 10, 2019.  The Emergency Operations Center was activated in response to the proclaimed local emergency as the number of Sonoma County residents potentially affected by a power shutoff was estimated by PG&E at over 250,000 people.


On October 8, 2019, the Board of Supervisors ratified the Proclamation of a Local Emergency by the Director of Emergency Services, and found that the circumstances of the de-energization as described in the Director’s Proclamation of Local Emergency did support and justify the proclamation of a local emergency.


PG&E initiated its De-Energization shortly after midnight on October 9, 2019, affecting over 66,000 PG&E Customers, and 250,000 Sonoma County residents.  At approximately 2:00p.m. on October 10, 2019, PG&E declared the weather conditions that gave rise to the de-energization ceased and it began the process of restoring power to Sonoma County.  The Red Flag warning issued by the National Weather Service likewise ceased at 5:00p.m. on October 10, 2019.


Staff recommends terminating the Proclamation of Local Emergency as the conditions that gave rise to the local emergency no longer exists.



Prior Board Actions:

10/08/19: Ratification of Proclamation of Local Emergency


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FY20-21 Projected

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Related Items “On File” with the Clerk of the Board: