Power Sources | Sonoma Clean Power
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Clean power solutions for all.

Power sources

Sonoma Clean Power provides clean energy solutions that make a difference in the lives of our customers. Tapping a combination of sources—hydropower, geothermal, solar, biomass, and wind—SCP delivers clean power to communities throughout Sonoma and Mendocino counties.

When customers start their electrical service, they automatically benefit from our CleanStart service. For those dedicated to making an impact on the climate crisis, our EverGreen service delivers 100% clean power that’s produced locally. Customers can reduce their carbon footprint and help create healthy communities. No extra effort required.

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Our CleanStart service is 91% carbon-free.

Mix of Sources

49% renewable electricity (wind, solar, geothermal, etc.)

42% large hydroelectric power

9% general system power

Rounding may cause these percentages to adjust beyond 100%.


24/7 Local Renewables

100% renewable electricity

100% locally produced

Renewable both day and night

SCP's Power Sources 

2018 Emission Factor:

CleanStart - 98.81 lb CO2/MWh

EverGreen - 46.02 lb CO2/MWh

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Building local, renewable energy

Our community is powering success with ProFIT, our now fully subscribed feed-in-tariff program that offered a new market for developers to sell energy to SCP with standard rules, contracts, and a set price. Although the queue is full and the budget fully subscribed, if you’re interested in selling power to SCP in the future, please subscribe to “Long-Term Renewable Suppliers” email updates on our website.

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Completed ProFIT projects

SCP is proud to announce that our first ProFIT projects, located in rural Petaluma, have come online and are now serving customers and adding to the renewable mix of our 100% local EverGreen service. Read story

Additional projects are underway in unincorporated Cloverdale and Willits. Stay tuned for updates regarding these projects coming online to serve customers!

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Are CleanStart and EverGreen really greener than PG&E?


By contracting with cleaner generating sources SCP is able to offer electricity that has fewer greenhouse gas emissions compared to PG&E’s mix.

SCP’s CleanStart is 49% renewable and 91% carbon-free, from sources considered renewable under California’s regulations, like wind, biomass and geothermal, and 42% from large hydropower facilities. The remaining power comes from “system power,” which is largely natural gas, but may include some renewables.

EverGreen is 100% local renewable power from geothermal and solar. The premium for EverGreen is 2.5 cents per kilowatt-hour or about $13 more per month for the average residential customer. For those who want to help pioneer a clean energy economy, you can switch to EverGreen at any time! Learn more.


What are the sources of SCP's electricity?


Sonoma Clean Power is committed to increasing renewable energy, supporting the local economy and also providing competitively priced service. That’s quite a few goals, and no one power source can deliver all of them, which is why we use a combination of sources. You can view a breakdown of our current mix on our Power Sources page.