Solar Energy & Solar Power Resources

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 will produce the maximum solar energy output. [More]

Sunrise & Sunset in Kahului

The total length of the day in Kahului, HI today (September 14, 2026) will be 12 hours and 19 minutes. [More]

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.

Historical solar power output data for Kahului is not currently available.

Solar Energy Analysis for Kahului, HI

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

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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.

Sorry, data is not currently available.

Solar Radiation Analysis for Kahului, HI

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.

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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.

Solar Power: Kahului 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]

Sorry, solar radiation data for Hawaii is not currently available.

Solar Data & Statistics for Kahului

Sunrise / Sunset in Kahului

Sunrise/Sunset for September 14, 2026 ^[2]
- Sunrise: 6:11 am
- Sunset: 6:30 pm
- Length of Day: 12:19

Best Months for Solar in Kahului

Monthly data not currently available.

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]

AC output data is not currently available.

Solar Output Analysis for Kahului, HI

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

Sorry, Kahului residential electricity prices are currently unavailable.

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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?

Kahului Natural Gas Costs

Sorry, Hawaii residential natural gas prices are currently unavailable.

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Weather Forecast for Kahului, HI ^[5]

Mon Sep 14

81°F

Light Rain
Min: 76°F
Max: 81°F

Gentle Breeze: 9 mps NE
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 17%

Tue Sep 15

82°F

Light Rain
Min: 77°F
Max: 82°F

Gentle Breeze: 11 mps ENE
Precip.: Chance of Rain
Humidity: 75%
Cloud cover: 28%

Wed Sep 16

83°F

Light Rain
Min: 78°F
Max: 83°F

Moderate breeze: 14 mps NE
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 38%

Thu Sep 17

82°F

Light Rain
Min: 78°F
Max: 82°F

Moderate breeze: 13 mps ENE
Precip.: Chance of Rain
Humidity: 81%
Cloud cover: 57%

Fri Sep 18

83°F

Light Rain
Min: 79°F
Max: 83°F

Gentle Breeze: 12 mps E
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 48%

Sat Sep 19

81°F

Light Rain
Min: 78°F
Max: 82°F

Gentle Breeze: 12 mps ENE
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 100%

More about Kahului

About Kahului

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

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.