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Solar Energy in Sonoma, CA

Solar Energy in Sonoma

The month of July has the highest historical solar radition values in Sonoma with an average of 6.98 kWh/m2/day. [More]

Solar Panels in Sonoma

Solar panels in Sonoma that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in Sonoma

The total length of the day in Sonoma, CA today (January 15, 2019) will be 09 hours and 48 minutes. [More]

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Sonoma, CA Solar Energy

Solar Power in Sonoma, CA

Solar Energy Data in Sonoma, CA

See the chart below to see how different types of solar panel installations compare in Sonoma.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Sonoma, CA

Solar Radiation Data in Sonoma

Based on historical Sonoma, CA data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Sonoma. [1]

Sonoma has an average monthly Global Horizontal Irradiance (GHI) of 4.95 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 9% less than the average monthly Direct Normal Irradiance (DNI) of 5.44 kWh/m2/day. [1]

Solar installations in Sonoma that are always titled at the latitude of Sonoma (Average Tilt at Latitude or ATaL) average 5.66 kWh/m2/day, or about 14% greater than the average monthly GHI of 4.95 kWh/m2/day and approximately 4% greater than the average monthly DNI of 5.44 kWh/m2/day. [1]

* See glossary & definitions below.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in Sonoma

Solar Radiation Data in Sonoma, CA

See the chart below for monthly solar radiation levels in Sonoma.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Sonoma, CA

Solar Radiation Data in Sonoma

Sonoma, CA has a average annual solar radiation value of 5.44 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Sonoma is July with an average of 6.98 kWh/m2/day, followed by August at 6.65 kWh/m2/day and September at 6.62 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Sonoma (California) are December with an average of 3.37 kWh/m2/day, followed by January with an average of 3.64 kWh/m2/day and November at 3.88 kWh/m2/day. [1]

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Solar Power Comparison: Sonoma vs. the U.S.

Solar Power Levels in Sonoma

The average monthly solar radiation level in Sonoma, CA, of 5.44 kilowatt hours per square meter per day (kWh/m2/day) is approximately 46% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 18% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Sonoma solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Solar Data & Statistics for Sonoma

Sunrise / Sunset in Sonoma

  • Sunrise/Sunset for January 15, 2019 [2]
    • Sunrise: 8:25 am
    • Sunset: 6:13 pm
    • Solar Noon: 1:19 pm
    • Length of Day: 09:48
Solar Energy Statistics for Sonoma

Best Months for Solar in Sonoma

  • Top Solar Power Months Historically [1]
    • Solar Radiation July (6.98 kWh/m2/day)
    • ATaL: July (7.22 kWh/m2/day)
    • DNI: July (7.78 kWh/m2/day)
    • GHI: June (7.78 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Sonoma

We do not currently have data on solar panel installations in the city of Sonoma, CA at this current time.

However, Sonoma is in Sonoma County and Sonoma County has at least 14,575 solar insallations right now. [1]

Solar Power Output in Sonoma

The Power of Solar in Sonoma, CA

Monthly AC solar system output averages for Sonoma (ca). Month-by-month solar power, as ranked by AC output, in Sonoma. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Sonoma, CA

Solar Radiation Data in Sonoma

Sonoma (CA) has a average annual solar AC output value of 6313.65 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Sonoma is July with an average of 681.53 kWhac, followed by August at 649.11 kWhac and May at 625.79 kWhac. [2]

The three months that historically average the lowest average solar output levels in Sonoma (California) are December with an average of 340.41 kWhac, followed by January with an average of 362.78 kWhac and November at 373.04 kWhac. [2]

Cost of Utilities in Sonoma

Sonoma Electricity Costs

Electricity prices (residential) in Sonoma averaged 15.73 cents per kilowatthour (¢/kWh) in October 2018, which was about 22% more than the overall U.S. average residential electricity rate of 12.87¢/kWh in October. [3]

Solar Power Poll: Sonoma

Vote now: Given all of the data and analysis provided for Sonoma, is solar power a good choice for residents of this city?

Yes, solar power is a great option  
No, solar power isn't a good option

Sonoma Natural Gas Costs

Natural gas prices (residential) in California averaged $12.16 per thousand cubic feet (Mcf) in October 2018, which was approximately 1% less than the overall U.S. average residential natural gas rate of $12.26 per Mcf in October. [4]

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Solar Businesses in Sonoma

Solar Energy Contractors in Sonoma

Contractors & builders that specialize in solar panel installations in or near Sonoma, CA.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Sonoma produced no matches.

Solar Energy Equipment in Sonoma

Businesses that sell solar energy equipment and/or solar parts in or near Sonoma, CA.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Sonoma produced no matches.

Energy Conservation Consultants in Sonoma

Energy conservation specialists that offer consulting services in or near Sonoma, CA.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Sonoma produced no matches.

Weather Forecast for Sonoma, CA [5]

Tue Jan 15
50°F
Heavy Intensity Rain
Min: 47°F
Max: 50°F
Moderate breeze: 7 mps ESE
Precip.: Chance of Rain
Humidity: 100%
Cloud cover: 92%
Wed Jan 16
52°F
Very Heavy Rain
Min: 52°F
Max: 55°F
: 10 mps S
Precip.: Chance of Rain
Humidity: 97%
Cloud cover: 100%
Thu Jan 17
50°F
Heavy Intensity Rain
Min: 43°F
Max: 50°F
Fresh Breeze: 8 mps WSW
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 92%
Fri Jan 18
51°F
Light Rain
Min: 45°F
Max: 55°F
Light breeze: 2 mps SE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 96%
Sat Jan 19
55°F
Heavy Intensity Rain
Min: 53°F
Max: 57°F
Light breeze: 3 mps SSW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 100%
Sun Jan 20
54°F
Light Rain
Min: 39°F
Max: 56°F
Moderate breeze: 5 mps WNW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 4%

More about Sonoma

About Sonoma

The city of Sonoma, CA in Sonoma County has an approximate population of 10,648. [6]

Sonoma Solar Power

Sonoma, CA Solar Energy

To learn more about solar energy and solar power Sonoma, CA, or for more solar-related resources for Sonoma, visit the U.S. Energy Information Administration.

Did you know?

The solar energy that strikes the Earth in one hour could provide all of the Earth's energy needs for a complete year.

Other Cities in California

ZIP Codes in CA


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References