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Solar Energy in Honolulu, HI

Solar Energy in Honolulu

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

Solar Panels in Honolulu

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

Sunrise & Sunset in Honolulu

The total length of the day in Honolulu, HI today (July 04, 2020) will be 13 hours and 23 minutes. [More]

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Honolulu, HI Solar Energy

Solar Power in Honolulu, HI

Solar Energy Data in Honolulu, HI

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

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


Solar Energy Analysis for Honolulu, HI

Solar Radiation Data in Honolulu

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

Honolulu has an average monthly Global Horizontal Irradiance (GHI) of 5.67 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 0% less than the average monthly Direct Normal Irradiance (DNI) of 5.68 kWh/m2/day. [1]

Solar installations in Honolulu that are always titled at the latitude of Honolulu (Average Tilt at Latitude or ATaL) average 5.97 kWh/m2/day, or about 5% greater than the average monthly GHI of 5.67 kWh/m2/day and approximately 5% greater than the average monthly DNI of 5.68 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 Honolulu

Solar Radiation Data in Honolulu, HI

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

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

Solar Radiation Analysis for Honolulu, HI

Solar Radiation Data in Honolulu

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

Historical solar radiation data for Honolulu is not currently available.

Please check back later.

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

Solar Power Levels in Honolulu

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

Solar Power: vs. the U.S.

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

Sunrise / Sunset in Honolulu

  • Sunrise/Sunset for July 04, 2020 [2]
    • Sunrise: 3:54 pm
    • Sunset: 5:17 am
    • Solar Noon: 10:35 pm
    • Length of Day: 13:23
Solar Energy Statistics for Honolulu

Best Months for Solar in Honolulu

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: August (6.62 kWh/m2/day)
    • DNI: August (6.87 kWh/m2/day)
    • GHI: June (7.1 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Honolulu

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

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

Solar Power Output in Honolulu

The Power of Solar in Honolulu, HI

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

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

Solar Output Analysis for Honolulu, HI

Solar Radiation Data in Honolulu

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

Historical solar radiation data for Honolulu is not currently available.

Please check back later.

Cost of Utilities in Honolulu

Honolulu Electricity Costs

Electricity prices (residential) in Honolulu averaged 32.77 cents per kilowatthour (¢/kWh) in April 2020, which was about 147% more than the overall U.S. average residential electricity rate of 13.28¢/kWh in April. [3]

Solar Power Poll: Honolulu

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

Honolulu Natural Gas Costs

Natural gas prices (residential) in Hawaii averaged $0.00 per thousand cubic feet (Mcf) in March 2020, which was approximately 100% less than the overall U.S. average residential natural gas rate of $10.68 per Mcf in March. [4]

Latest Solar News

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Weather Forecast for Honolulu, HI [5]

Sat Jul 4
78°F
Moderate Rain
Min: 75°F
Max: 79°F
Gentle Breeze: 10 mps ESE
Precip.: Chance of Rain
Humidity: 78%
Cloud cover: 47%
Sun Jul 5
79°F
Light Rain
Min: 75°F
Max: 79°F
Gentle Breeze: 10 mps ENE
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 2%
Mon Jul 6
79°F
Few Clouds
Min: 75°F
Max: 79°F
Moderate breeze: 13 mps ENE
Precip.: n/a
Humidity: 70%
Cloud cover: 12%
Tue Jul 7
78°F
Light Rain
Min: 76°F
Max: 79°F
Fresh Breeze: 20 mps ENE
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 11%
Wed Jul 8
78°F
Moderate Rain
Min: 75°F
Max: 79°F
Fresh Breeze: 21 mps ENE
Precip.: Chance of Rain
Humidity: 71%
Cloud cover: 26%
Thu Jul 9
79°F
Light Rain
Min: 75°F
Max: 80°F
Moderate breeze: 12 mps ENE
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 28%

More about Honolulu

About Honolulu

The city of Honolulu, HI in Honolulu County has an approximate population of 337,256. [6]

Honolulu Solar Power

Honolulu, HI Solar Energy

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

Did you know?

Solar cells convert sunlight into electricity through a physical process known as the photovoltaic effect.

Other Cities in Hawaii

ZIP Codes in HI


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References