Solar Energy & Solar Power Resources

Solar Energy in Waipahu, HI

Solar Energy in Waipahu

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

Solar Panels in Waipahu

Solar panels in Waipahu that will produce the maximum solar energy output. [More]

Sunrise & Sunset in Waipahu

The total length of the day in Waipahu, HI today (September 15, 2026) will be 12 hours and 18 minutes. [More]

Solar Power in Waipahu, HI

Solar Energy Data in Waipahu, HI

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

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

Solar Energy Analysis for Waipahu, HI

Sorry, it is not possible to complete our solar energy analysis for Waipahu 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 Waipahu

Solar Radiation Data in Waipahu, HI

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

Sorry, data is not currently available.

Solar Radiation Analysis for Waipahu, HI

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

Historical solar radiation data for Waipahu is not currently available.

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

Solar Power Levels in Waipahu

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

Solar Power: Waipahu vs. the U.S.

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

Sunrise / Sunset in Waipahu

Sunrise/Sunset for September 15, 2026 ^[2]
- Sunrise: 6:18 am
- Sunset: 6:36 pm
- Length of Day: 12:18

Best Months for Solar in Waipahu

Monthly data not currently available.

Solar Panel Installs in Waipahu

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

Solar Power Output in Waipahu

The Power of Solar in Waipahu, HI

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

AC output data is not currently available.

Solar Output Analysis for Waipahu, HI

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

Historical solar radiation data for Waipahu is not currently available.

Please check back later.

Cost of Utilities in Waipahu

Waipahu Electricity Costs

Sorry, Waipahu residential electricity prices are currently unavailable.

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Solar Power Poll: Waipahu

Vote now: Given all of the data and analysis provided for Waipahu, is solar power a good choice for residents of this city?

Waipahu Natural Gas Costs

Sorry, Hawaii residential natural gas prices are currently unavailable.

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Weather Forecast for Waipahu, HI ^[5]

Tue Sep 15

85°F

Sky Is Clear
Min: 75°F
Max: 85°F

Gentle Breeze: 9 mps E
Precip.: n/a
Humidity: 62%
Cloud cover: 3%

Wed Sep 16

84°F

Scattered Clouds
Min: 78°F
Max: 85°F

Moderate breeze: 14 mps ENE
Precip.: n/a
Humidity: 67%
Cloud cover: 25%

Thu Sep 17

83°F

Light Rain
Min: 79°F
Max: 83°F

Moderate breeze: 16 mps ENE
Precip.: Chance of Rain
Humidity: 75%
Cloud cover: 77%

Fri Sep 18

84°F

Light Rain
Min: 78°F
Max: 84°F

Moderate breeze: 18 mps ENE
Precip.: Chance of Rain
Humidity: 63%
Cloud cover: 17%

Sat Sep 19

82°F

Overcast Clouds
Min: 77°F
Max: 83°F

Moderate breeze: 15 mps ENE
Precip.: n/a
Humidity: 67%
Cloud cover: 99%

Sun Sep 20

81°F

Light Rain
Min: 77°F
Max: 82°F

Moderate breeze: 18 mps ENE
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 92%

More about Waipahu

About Waipahu

The city of Waipahu, HI in Honolulu County has an approximate population of 38,216. ^[6]

Waipahu, HI Solar Energy

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