SCP Timeline

March 20, 2011

Steering Committee Formed

Sonoma County Water Agency authorized to perform feasibility study and create steering committee.

October 1, 2011

Feasibility Study Published

Feasibility study published for new CCA.

October 9, 2011

A Win For CCAs

Senate Bill 790 (Leno) “code of conduct” passed to provide protection for Community Choice programs from investor owned utilities marketing against them.

October 18, 2011

Feasibility Study Brings Confidence

Sonoma Clean Power feasibility study presented to Sonoma County Board of Supervisors.  The board authorizes further study.

November 2, 2011

SCP Feasibility Study

Staff begins feasibility study presentations to eligible cities.

February 28, 2012

Residential Survey Complete

Sonoma County Water Agency completes CCA Market Survey.

March 8, 2012

Commercial Survey Complete

Sonoma County Water Agency completes Commercial Market Survey.

October 8, 2012

Guiding Document Drafted

Draft JPA presented to all eligible Sonoma County cities.

December 4, 2012


Joint Powers Agreement formed by the County of Sonoma and the Sonoma County Water Agency.

December 12, 2012

Agency Formed

Sonoma County Board of Supervisors sets SCP’s goals and adopts Joint Powers Agreement.

February 22, 2013


Request for Proposal for first electricity supply contacts sent out to multiple suppliers.

April 8, 2013

Power Bids Submitted

Eleven power bids submitted to Sonoma Clean Power for evaluation.

April 23, 2013

It’s Official

Sonoma Clean Power Board of Directors votes to approve launch date for service to customers.

May 5, 2013

Town Of Windsor Joins SCP

The Windsor Town Council votes to become the first to join SCP. View story

June 25, 2013

SCP Secures Startup Funds

Sonoma Clean Power Board of Directors secures startup funds from First Community Bank.

June 26, 2013

Cotati Joins SCP

The Cotati City Council unanimously votes to join SCP. View story

July 2, 2013

Sebastopol Joins SCP

Sebastopol becomes the 3rd City to join SCP in a 4-1-0 vote. View story

July 9, 2013

Santa Rosa Joins SCP

The Santa Rosa City Council votes unanimously to join SCP. View story

July 15, 2013

Sonoma Joins SCP

The City Council of Sonoma votes unanimously in favor of joining SCP. View story

July 29, 2013

Initial Community Outreach

Sonoma Clean Power holds first public workshops in various locations to educate the public about Community Choice.

August 2, 2013

Interim CEO Selected

Geof Syphers named interim CEO by SCPA Board of Directors.

October 4, 2013

CPUC Certifies Implementation Plan

California Public Utilities Commission certifies Sonoma Clean Power Authority’s Implementation Plan giving SCP the right to serve customers.

October 17, 2013

RAC & BOC Meet!

First joint meeting of SCP Ratepayer Advisory and Business Operations Committees.

November 19, 2013

Powered Up!

Sonoma Clean Power signed a contract with energy provider Constellation, an Exelon subsidiary, in a deal that allowed rates to be set below PG&E’s rates. Constellation was one of four power companies that made it to the final round of bidding to provide greener electricity to SCP’s residential and commercial

December 20, 2013

Local Power!

Sonoma Clean Power signs a deal for local renewable geothermal energy from CALPINE’s Geysers facility through 2023.

December 20, 2013

Official CEO Selected

Geof Syphers transitions from Interim CEO to the first official CEO for SCP. View story  

January 9, 2014

Lower Rates

SCP’s first customer rates approved 2-3% lower than PG&E.

February 4, 2014


SCP enrollment notices sent out to first phase of Sonoma County customers.

May 1, 2014

SCP Officially “Flips the Switch”

Sonoma Clean Power, the county’s new electricity provider, commemorated their first day of service to approximately 22,000 customers with a “flip the switch” celebration at their May 1st Board of Directors meeting. View story

May 1, 2014

SCP Launches EverGreen Service

Sonoma Clean Power launches EverGreen service that is 100% local renewable energy, the first of its kind in California.  EverGreen provides clean energy to customers day and night with its unique baseload geothermal energy.

August 1, 2014

New ProFIT Program

Sonoma Clean Power’s ProFIT program promotes the development of new renewable energy systems by paying a fixed price of $95/megawatt-hour (MWh) to Sonoma County projects. View story

August 27, 2014

Cloverdale Joins SCP

The City of Cloverdale votes to join the Sonoma Clean Power program. View story

August 30, 2014

AB 2145 defeated!

If Assembly Bill 2145 (Bradford) “The Monopoly Protection Bill” had passed, it would have made it difficult to form new Community Choice Aggregation programs like Sonoma Clean Power. View story

December 9, 2014

Rohnert Park Joins SCP

Rohnert Park City Council votes in favor of joining SCP. View story

February 5, 2015

Petaluma Joins SCP

The Petaluma City Council votes unanimously, becoming the final city to join SCP. View story

February 27, 2015

Largest US Floating Solar Project

Cordel Stillman, then Chief Deputy Engineer with the Sonoma County Water Agency, spearheaded the project that resulted in SCP contracting with Pristine Sun to build up to 12.5 MW of new solar in Sonoma County. View story

June 1, 2015

Welcome Aboard!

Sonoma Clean Power launches 1st day of service for Rohnert Park, Petaluma and Cloverdale customers.

June 3, 2015

Startup Loan Paid Off!

Sonoma Clean Power pays off startup loan from First Community Bank 4 years earlier than expected.

June 19, 2015

1000 EverGreen Customers

Sonoma Clean Power hits 1000 EverGreen customers.

October 12, 2015

Electric Cars in the Classroom

Analy High School students with a SWITCH Vehicle   SCP sponsored Sebastopol-based Switch Electric Vehicles, Inc., a comprehensive program that teaches students (middle school, high school and college) the fundamentals of EV design, assembly, manufacturing and maintenance. View story

October 26, 2015

First Annual Report Released

Sonoma Clean Power releases first Annual Report with results from 2014-2015. View report

February 24, 2016

We’re Green!

Sonoma Clean Power becomes certified as a green business through the County of Sonoma’s Green Business Program.  

April 12, 2016

SCP is Debt Free!

Sonoma Clean Power pays off the initial seed money loan from the Sonoma County Water Agency, officially making the agency debt-free.

May 1, 2016

Fully Charged!

Sonoma Clean Power finishes buying energy for Sonoma County customers through 2020.

October 17, 2016

Mendocino County Joins SCP!

Sonoma Clean Power’s Board approved an expansion into Mendocino County, with service to begin in June 2017. View story  

October 27, 2016

Drive EverGreen Launch

Sonoma Clean Power launches new Drive EverGreen electric vehicle program, to support the agency’s goal to put 10,000 EVs on roads in service territory by the end of 2020 and a much grander goal of 100,000 EV by 2030.

January 1, 2017

70 MW of new California Solar

Recurrent Energy’s new Mustang solar facility provides 70 MW to SCP customers.  

May 24, 2017

SCP Adds Wind

Sonoma Clean Power breaks ground on new 46 MW wind facility in Tracy, CA. View story