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Solar Energy in Boulder, CO

Solar Energy in Boulder

Sorry, historical solar radition values for Boulder are currently unavailable, please check back later.

Solar Panels in Boulder

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

Sunrise & Sunset in Boulder

The total length of the day in Boulder, CO today (June 01, 2020) will be 14 hours and 50 minutes. [More]

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Boulder, CO Solar Energy

Solar Power in Boulder, CO

Solar Energy Data in Boulder, CO

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

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


Solar Energy Analysis for Boulder, CO

Solar Radiation Data in Boulder

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

Boulder has an average monthly Global Horizontal Irradiance (GHI) of 4.41 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 20% less than the average monthly Direct Normal Irradiance (DNI) of 5.51 kWh/m2/day. [1]

Solar installations in Boulder that are always titled at the latitude of Boulder (Average Tilt at Latitude or ATaL) average 5.35 kWh/m2/day, or about 21% greater than the average monthly GHI of 4.41 kWh/m2/day and approximately 3% less than the average monthly DNI of 5.51 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 Boulder

Solar Radiation Data in Boulder, CO

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

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

Solar Radiation Analysis for Boulder, CO

Solar Radiation Data in Boulder

Sorry, it is not possible to complete our solar radiation analysis for Boulder at this time.

Historical solar radiation data for Boulder is not currently available.

Please check back later.

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

Solar Power Levels in Boulder

Sorry, solar radiation data for Colorado is not currently available. Please try again later.

Solar Power: vs. the U.S.

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

Sunrise / Sunset in Boulder

  • Sunrise/Sunset for June 01, 2020 [2]
    • Sunrise: 11:33 am
    • Sunset: 2:24 am
    • Solar Noon: 6:59 pm
    • Length of Day: 14:50
Solar Energy Statistics for Boulder

Best Months for Solar in Boulder

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: September (5.82 kWh/m2/day)
    • DNI: June (6.35 kWh/m2/day)
    • GHI: June (6.46 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Boulder

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

However, Boulder is in Boulder County and Boulder County has at least 0 solar insallations right now. [1]

Solar Power Output in Boulder

The Power of Solar in Boulder, CO

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

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

Solar Output Analysis for Boulder, CO

Solar Radiation Data in Boulder

Sorry, it is not possible to complete our solar radiation analysis for Boulder at this time.

Historical solar radiation data for Boulder is not currently available.

Please check back later.

Cost of Utilities in Boulder

Boulder Electricity Costs

Electricity prices (residential) in Boulder averaged 12.04 cents per kilowatthour (¢/kWh) in March 2020, which was about 8% less than the overall U.S. average residential electricity rate of 13.08¢/kWh in March. [3]

Solar Power Poll: Boulder

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

Boulder Natural Gas Costs

Natural gas prices (residential) in Colorado averaged $6.41 per thousand cubic feet (Mcf) in March 2020, which was approximately 35% less than the overall U.S. average residential natural gas rate of $9.86 per Mcf in March. [4]

Latest Solar News

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San Francisco makes huge commitment to solar power

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Weather Forecast for Boulder, CO [5]

Mon Jun 1
80°F
Light Rain
Min: 64°F
Max: 80°F
Light breeze: 5 mps E
Precip.: Chance of Rain
Humidity: 33%
Cloud cover: 14%
Tue Jun 2
82°F
Overcast Clouds
Min: 62°F
Max: 83°F
Gentle Breeze: 11 mps ESE
Precip.: n/a
Humidity: 21%
Cloud cover: 93%
Wed Jun 3
82°F
Light Rain
Min: 59°F
Max: 86°F
Calm: 2 mps SE
Precip.: Chance of Rain
Humidity: 19%
Cloud cover: 51%
Thu Jun 4
82°F
Few Clouds
Min: 59°F
Max: 84°F
Light breeze: 4 mps SE
Precip.: n/a
Humidity: 21%
Cloud cover: 16%
Fri Jun 5
85°F
Moderate Rain
Min: 60°F
Max: 85°F
Light breeze: 6 mps ESE
Precip.: Chance of Rain
Humidity: 20%
Cloud cover: 16%
Sat Jun 6
79°F
Sky Is Clear
Min: 58°F
Max: 85°F
Moderate breeze: 16 mps WSW
Precip.: n/a
Humidity: 18%
Cloud cover: 0%

More about Boulder

About Boulder

The city of Boulder, CO in Boulder County has an approximate population of 97,385. [6]

Boulder Solar Power

Boulder, CO Solar Energy

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

ZIP Codes in CO


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References