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Solar Energy in Yountville, CA

Solar Energy in Yountville

The month of August has the highest historical solar radition values in Yountville with an average of 7.3 kWh/m2/day. [More]

Solar Panels in Yountville

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

Sunrise & Sunset in Yountville

The total length of the day in Yountville, CA today (September 25, 2017) will be 11 hours and 59 minutes. [More]

Yountville, CA Solar Energy

Solar Power in Yountville, CA

Solar Energy Data in Yountville, CA

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

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


Solar Energy Analysis for Yountville, CA

Solar Radiation Data in Yountville

Based on historical Yountville, 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 Yountville. [1]

Yountville has an average monthly Global Horizontal Irradiance (GHI) of 4.98 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 11% less than the average monthly Direct Normal Irradiance (DNI) of 5.59 kWh/m2/day. [1]

Solar installations in Yountville that are always titled at the latitude of Yountville (Average Tilt at Latitude or ATaL) average 5.71 kWh/m2/day, or about 15% greater than the average monthly GHI of 4.98 kWh/m2/day and approximately 2% greater than the average monthly DNI of 5.59 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.

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Solar Radiation Levels in Yountville

Solar Radiation Data in Yountville, CA

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

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

Solar Radiation Analysis for Yountville, CA

Solar Radiation Data in Yountville

Yountville, CA has a average annual solar radiation value of 5.49 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Yountville is August with an average of 7.3 kWh/m2/day, followed by July at 7.23 kWh/m2/day and September at 6.96 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Yountville (California) are December with an average of 2.71 kWh/m2/day, followed by January with an average of 2.75 kWh/m2/day and November at 3.68 kWh/m2/day. [1]

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

Solar Power Levels in Yountville

The average monthly solar radiation level in Yountville, CA, of 5.49 kilowatt hours per square meter per day (kWh/m2/day) is approximately 47% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 17% 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 Yountville 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).

Compare Solar Quotes
Compare Solar Quotes

Solar Data & Statistics for Yountville

Sunrise / Sunset in Yountville

  • Sunrise/Sunset for September 25, 2017 [2]
    • Sunrise: 7:00 am
    • Sunset: 7:00 pm
    • Solar Noon: 1:00 pm
    • Length of Day: 11:59
Solar Energy Statistics for Yountville

Best Months for Solar in Yountville

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (7.3 kWh/m2/day)
    • ATaL: July (7.32 kWh/m2/day)
    • DNI: July (8.17 kWh/m2/day)
    • GHI: July (7.88 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Yountville

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

However, Yountville is in Napa County and Napa County has at least 3,595 solar insallations right now. [1]

Solar Power Output in Yountville

The Power of Solar in Yountville, CA

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

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

Solar Output Analysis for Yountville, CA

Solar Radiation Data in Yountville

Yountville (CA) has a average annual solar AC output value of 6190.55 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Yountville is August with an average of 675.81 kWhac, followed by July at 667.51 kWhac and May at 648.17 kWhac. [2]

The three months that historically average the lowest average solar output levels in Yountville (California) are December with an average of 272.24 kWhac, followed by January with an average of 280.8 kWhac and November at 350.2 kWhac. [2]

Cost of Utilities in Yountville

Yountville Electricity Costs

Electricity prices (residential) in Yountville averaged 19.39 cents per kilowatthour (¢/kWh) in June 2017, which was about 47% more than the overall U.S. average residential electricity rate of 13.22¢/kWh in June. [3]

Solar Power Poll: Yountville

Vote now: Given all of the data and analysis provided for Yountville, 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

Yountville Natural Gas Costs

Natural gas prices (residential) in California averaged $13.21 per thousand cubic feet (Mcf) in June 2017, which was approximately 17% less than the overall U.S. average residential natural gas rate of $15.98 per Mcf in June. [4]

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Solar Businesses in Yountville

Solar Energy Contractors in Yountville

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

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in Yountville

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

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in Yountville

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

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for Yountville, CA [5]

Sun Sep 24
53°F
Sky Is Clear
Min: 49°F
Max: 53°F
Light breeze: 2 mps WNW
Precip.: n/a
Humidity: 77%
Cloud cover: 0%
Mon Sep 25
82°F
Sky Is Clear
Min: 50°F
Max: 83°F
Gentle Breeze: 4 mps
Precip.: n/a
Humidity: 27%
Cloud cover: 0%
Tue Sep 26
86°F
Sky Is Clear
Min: 61°F
Max: 86°F
Gentle Breeze: 5 mps NE
Precip.: n/a
Humidity: 23%
Cloud cover: 0%
Wed Sep 27
79°F
Sky Is Clear
Min: 56°F
Max: 85°F
Light breeze: 2 mps ENE
Precip.: n/a
Humidity: 31%
Cloud cover: 0%
Thu Sep 28
75°F
Sky Is Clear
Min: 51°F
Max: 84°F
Calm: 1 mps WSW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Fri Sep 29
74°F
Sky Is Clear
Min: 49°F
Max: 83°F
: 1 mps SW
Precip.: n/a
Humidity: 0%
Cloud cover: 0%

More about Yountville

About Yountville

The city of Yountville, CA in Napa County has an approximate population of 2,933. [6]

Yountville Solar Power

Yountville, CA Solar Energy

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

Did you know?

Various missions to space by different countries are known to utilize solar energy as a main power source.

Other Cities in California

References