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Solar Energy in Colfax, CA

Solar Energy in Colfax

The month of August has the highest historical solar radition values in Colfax with an average of 7.28 kWh/m2/day. [More]

Solar Panels in Colfax

Solar panels in Colfax that always track the sun throughout the day will produce the maximum solar energy output. [More]

Sunrise & Sunset in Colfax

The total length of the day in Colfax, CA today (February 19, 2019) will be 10 hours and 56 minutes. [More]

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Colfax, CA Solar Energy

Solar Power in Colfax, CA

Solar Energy Data in Colfax, CA

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

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


Solar Energy Analysis for Colfax, CA

Solar Radiation Data in Colfax

Based on historical Colfax, CA data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Colfax. [1]

Colfax has an average monthly Global Horizontal Irradiance (GHI) of 5.03 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 18% less than the average monthly Direct Normal Irradiance (DNI) of 6.15 kWh/m2/day. [1]

Solar installations in Colfax that are always titled at the latitude of Colfax (Average Tilt at Latitude or ATaL) average 5.79 kWh/m2/day, or about 15% greater than the average monthly GHI of 5.03 kWh/m2/day and approximately 6% less than the average monthly DNI of 6.15 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 Colfax

Solar Radiation Data in Colfax, CA

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

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

Solar Radiation Analysis for Colfax, CA

Solar Radiation Data in Colfax

Colfax, 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 Colfax is August with an average of 7.28 kWh/m2/day, followed by July at 7.19 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 Colfax (California) are December with an average of 2.72 kWh/m2/day, followed by January with an average of 2.76 kWh/m2/day and November at 3.7 kWh/m2/day. [1]

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

Solar Power Levels in Colfax

The average monthly solar radiation level in Colfax, 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 Colfax 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 Colfax

Sunrise / Sunset in Colfax

  • Sunrise/Sunset for February 19, 2019 [2]
    • Sunrise: 2:49 pm
    • Sunset: 1:45 am
    • Solar Noon: 8:17 pm
    • Length of Day: 10:56
Solar Energy Statistics for Colfax

Best Months for Solar in Colfax

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (7.28 kWh/m2/day)
    • ATaL: August (7.54 kWh/m2/day)
    • DNI: July (9.46 kWh/m2/day)
    • GHI: July (8.15 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Colfax

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

However, Colfax is in Placer County and Placer County has at least 14,631 solar insallations right now. [1]

Solar Power Output in Colfax

The Power of Solar in Colfax, CA

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

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

Solar Output Analysis for Colfax, CA

Solar Radiation Data in Colfax

Colfax (CA) has a average annual solar AC output value of 6182.01 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Colfax is August with an average of 673.77 kWhac, followed by July at 664.05 kWhac and May at 645.27 kWhac. [2]

The three months that historically average the lowest average solar output levels in Colfax (California) are December with an average of 273.2 kWhac, followed by January with an average of 281.62 kWhac and November at 351.42 kWhac. [2]

Cost of Utilities in Colfax

Colfax Electricity Costs

Electricity prices (residential) in Colfax averaged 19.53 cents per kilowatthour (¢/kWh) in November 2018, which was about 51% more than the overall U.S. average residential electricity rate of 12.95¢/kWh in November. [3]

Solar Power Poll: Colfax

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

Colfax Natural Gas Costs

Natural gas prices (residential) in California averaged $11.93 per thousand cubic feet (Mcf) in November 2018, which was approximately 27% more than the overall U.S. average residential natural gas rate of $9.43 per Mcf in November. [4]

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Solar Businesses in Colfax

Solar Energy Contractors in Colfax

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

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in Colfax

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

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in Colfax

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

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for Colfax, CA [5]

Tue Feb 19
52°F
Sky Is Clear
Min: 36°F
Max: 52°F
Gentle Breeze: 4 mps SW
Precip.: n/a
Humidity: 68%
Cloud cover: 0%
Wed Feb 20
43°F
Light Snow
Min: 30°F
Max: 45°F
Gentle Breeze: 4 mps SSW
Precip.: Chance of Rain
Humidity: 98%
Cloud cover: 32%
Thu Feb 21
49°F
Sky Is Clear
Min: 30°F
Max: 51°F
Strong breeze: 11 mps NW
Precip.: n/a
Humidity: 71%
Cloud cover: 0%
Fri Feb 22
39°F
Sky Is Clear
Min: 25°F
Max: 45°F
Light breeze: 3 mps NE
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Sat Feb 23
39°F
Moderate Rain
Min: 26°F
Max: 42°F
: 5 mps SSE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 95%
Sun Feb 24
39°F
Heavy Intensity Rain
Min: 34°F
Max: 41°F
Gentle Breeze: 5 mps S
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 53%

More about Colfax

About Colfax

The city of Colfax, CA in Placer County has an approximate population of 1,963. [6]

Colfax Solar Power

Colfax, CA Solar Energy

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

Did you know?

Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.

Other Cities in California

ZIP Codes in CA


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References