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Solar Energy in Kahului, HI

Solar Energy in Kahului

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

Solar Panels in Kahului

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

Sunrise & Sunset in Kahului

The total length of the day in Kahului, HI today (December 07, 2021) will be 10 hours and 54 minutes. [More]

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Kahului, HI Solar Energy

Solar Power in Kahului, HI

Solar Energy Data in Kahului, HI

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

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


Solar Energy Analysis for Kahului, HI

Solar Radiation Data in Kahului

Based on historical Kahului, 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 Kahului. [1]

Kahului has an average monthly Global Horizontal Irradiance (GHI) of 5.81 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 5.93 kWh/m2/day. [1]

Solar installations in Kahului that are always titled at the latitude of Kahului (Average Tilt at Latitude or ATaL) average 6.13 kWh/m2/day, or about 6% greater than the average monthly GHI of 5.81 kWh/m2/day and approximately 3% greater than the average monthly DNI of 5.93 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 Kahului

Solar Radiation Data in Kahului, HI

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

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

Solar Radiation Analysis for Kahului, HI

Solar Radiation Data in Kahului

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

Historical solar radiation data for Kahului is not currently available.

Please check back later.

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

Solar Power Levels in Kahului

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 Kahului 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 Kahului

Sunrise / Sunset in Kahului

  • Sunrise/Sunset for December 07, 2021 [2]
    • Sunrise: 6:50 am
    • Sunset: 5:44 pm
    • Length of Day: 10:54
Solar Energy Statistics for Kahului

Best Months for Solar in Kahului

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: September (6.66 kWh/m2/day)
    • DNI: August (6.83 kWh/m2/day)
    • GHI: June (7.08 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Kahului

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

Solar Power Output in Kahului

The Power of Solar in Kahului, HI

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

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

Solar Output Analysis for Kahului, HI

Solar Radiation Data in Kahului

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

Historical solar radiation data for Kahului is not currently available.

Please check back later.

Cost of Utilities in Kahului

Kahului Electricity Costs

Electricity prices (residential) in Kahului averaged 34.30 cents per kilowatthour (¢/kWh) in September 2021, which was about 142% more than the overall U.S. average residential electricity rate of 14.19¢/kWh in September. [3]

Solar Power Poll: Kahului

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

Kahului Natural Gas Costs

Natural gas prices (residential) in Hawaii averaged $46.53 per thousand cubic feet (Mcf) in September 2021, which was approximately 130% more than the overall U.S. average residential natural gas rate of $20.22 per Mcf in September. [4]

Weather Forecast for Kahului, HI [5]

Tue Dec 7
78°F
Light Rain
Min: 75°F
Max: 78°F
Moderate breeze: 14 mps E
Precip.: Chance of Rain
Humidity: 83%
Cloud cover: 98%
Wed Dec 8
78°F
Broken Clouds
Min: 74°F
Max: 78°F
Moderate breeze: 14 mps ESE
Precip.: n/a
Humidity: 76%
Cloud cover: 81%
Thu Dec 9
77°F
Few Clouds
Min: 73°F
Max: 78°F
Moderate breeze: 15 mps E
Precip.: n/a
Humidity: 67%
Cloud cover: 12%
Fri Dec 10
77°F
Light Rain
Min: 74°F
Max: 78°F
Moderate breeze: 13 mps ENE
Precip.: Chance of Rain
Humidity: 75%
Cloud cover: 69%
Sat Dec 11
78°F
Light Rain
Min: 73°F
Max: 78°F
Moderate breeze: 13 mps ENE
Precip.: Chance of Rain
Humidity: 71%
Cloud cover: 16%
Sun Dec 12
76°F
Light Rain
Min: 73°F
Max: 77°F
Fresh Breeze: 18 mps ENE
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 85%

More about Kahului

About Kahului

The city of Kahului, HI in Maui County has an approximate population of 26,337. [6]

Kahului Solar Power

Kahului, HI Solar Energy

To learn more about solar energy and solar power Kahului, HI, or for more solar-related resources for Kahului, 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.

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References