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Solar Energy in Longmont, CO

Solar Energy in Longmont

The month of June has the highest historical solar radition values in Longmont with an average of 6.27 kWh/m2/day. [More]

Solar Panels in Longmont

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

Sunrise & Sunset in Longmont

The total length of the day in Longmont, CO today (March 28, 2024) will be 12 hours and 32 minutes. [More]

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Longmont, CO Solar Energy

Solar Power in Longmont, CO

Solar Energy Data in Longmont, CO

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

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


Solar Energy Analysis for Longmont, CO

Solar Radiation Data in Longmont

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

Longmont has an average monthly Global Horizontal Irradiance (GHI) of 4.5 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 19% less than the average monthly Direct Normal Irradiance (DNI) of 5.56 kWh/m2/day. [1]

Solar installations in Longmont that are always titled at the latitude of Longmont (Average Tilt at Latitude or ATaL) average 5.4 kWh/m2/day, or about 20% greater than the average monthly GHI of 4.5 kWh/m2/day and approximately 3% less than the average monthly DNI of 5.56 kWh/m2/day. [1]

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 Longmont

Solar Radiation Data in Longmont, CO

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

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

Solar Radiation Analysis for Longmont, CO

Solar Radiation Data in Longmont

Longmont, CO has a average annual solar radiation value of 5.54 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Longmont is June with an average of 6.27 kWh/m2/day, followed by September at 6.21 kWh/m2/day and August at 6.11 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Longmont (Colorado) are December with an average of 4.23 kWh/m2/day, followed by January with an average of 4.48 kWh/m2/day and November at 4.78 kWh/m2/day. [1]

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

Solar Power Levels in Longmont

The average monthly solar radiation level in Longmont, CO, of 5.54 kilowatt hours per square meter per day (kWh/m2/day) is approximately 41% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 16% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]


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

Solar Power: Longmont vs. the U.S.

Below is a month-by-month comparison of how average Longmont 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 Longmont

Sunrise / Sunset in Longmont

  • Sunrise/Sunset for March 28, 2024 [2]
    • Sunrise: 6:49 am
    • Sunset: 7:21 pm
    • Length of Day: 12:32
Solar Energy Statistics for Longmont

Best Months for Solar in Longmont

  • Top Solar Power Months Historically [1]
    • Solar Radiation June (6.27 kWh/m2/day)
    • ATaL: September (6.06 kWh/m2/day)
    • DNI: June (6.72 kWh/m2/day)
    • GHI: June (6.7 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Longmont

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

Solar Power Output in Longmont

The Power of Solar in Longmont, CO

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

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

Solar Output Analysis for Longmont, CO

Solar Radiation Data in Longmont

Longmont (CO) has a average annual solar AC output value of 6280.81 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Longmont is March with an average of 581.26 kWhac, followed by August at 566.17 kWhac and June at 564.4 kWhac. [2]

The three months that historically average the lowest average solar output levels in Longmont (Colorado) are December with an average of 429.71 kWhac, followed by February with an average of 458.34 kWhac and November at 458.9 kWhac. [2]

Cost of Utilities in Longmont

Longmont Electricity Costs

Sorry, Longmont residential electricity prices are currently unavailable.

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Solar Power Poll: Longmont

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

Longmont Natural Gas Costs

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Weather Forecast for Longmont, CO [5]

Thu Mar 28
61°F
Few Clouds
Min: 33°F
Max: 62°F
Fresh Breeze: 21 mps W
Precip.: n/a
Humidity: 23%
Cloud cover: 19%
Fri Mar 29
50°F
Light Rain
Min: 37°F
Max: 51°F
Gentle Breeze: 10 mps E
Precip.: Chance of Rain
Humidity: 42%
Cloud cover: 100%
Sat Mar 30
54°F
Light Rain
Min: 38°F
Max: 61°F
Light breeze: 5 mps NW
Precip.: Chance of Rain
Humidity: 48%
Cloud cover: 74%
Sun Mar 31
53°F
Light Rain
Min: 39°F
Max: 59°F
Moderate breeze: 17 mps WNW
Precip.: Chance of Rain
Humidity: 50%
Cloud cover: 2%
Mon Apr 1
47°F
Rain And Snow
Min: 36°F
Max: 47°F
Moderate breeze: 14 mps NE
Precip.: Chance of Rain
Humidity: 48%
Cloud cover: 100%
Tue Apr 2
47°F
Light Snow
Min: 33°F
Max: 54°F
Gentle Breeze: 11 mps N
Precip.: Chance of Snow
Humidity: 37%
Cloud cover: 14%

More about Longmont

About Longmont

The city of Longmont, CO in Boulder County has an approximate population of 86,270. [6]

Longmont Solar Power

Longmont, CO Solar Energy

To learn more about solar energy and solar power Longmont, CO, or for more solar-related resources for Longmont, 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 Colorado

ZIP Codes in CO


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References

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