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About the Energy and Sustainability Division

The Energy and Sustainability Division of the County of Sonoma’s General Services Department promotes and delivers solutions necessary to mitigate environmental impacts and address climate change.


Integrity - we always act with transparent honesty and fairness

Collaboration - we work in public and private partnerships to achieve our common goals

Customer Service - We provide outstanding help and support to our customers and partners

Leadership - we describe the destination and guide others who wish to follow

Stewardship - we protect nature and our natural resources

Innovation - we bring new and dynamic perspectives to situation and in problem solving


The Division’s core competencies include the challenging areas of greenhouse gas emission reduction through “buildings and behaviors”.  The central functions of the Division include tracking and reporting County operations’ internal utility services, facilitating reduction of internal greenhouse gas emissions, participating in regional coordination efforts, leveraging best practice and policy development efforts, educating the public about the benefits of upgrades, and offering workforce development opportunities.


  1. Our facilities achieve maximum efficiency and renewable generation profile resulting in a 'negative carbon footprint' with a 'net positive energy' by 2050.
  2. Reduction of energy use and demand in 10% of all existing buildings by 25% by 2020.
  3. Increase employee use of clean commute transportation modes to 25% by 2020.
  4. Every household and business in Sonoma County has been informed of the benefits of building retrofits, local generation, and the choice of preparing for climate change.

Contact Information

Liz Yager

Program Manager

Energy and Sustainability Division

General Services Department

Business Hours
Monday – Friday
8:00 AM – 5:00 PM
La Plaza A
2300 County Center Drive
Suite A105
Santa Rosa, CA 95403
38.46242, -122.725426