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Solar Energy in Waipahu, HI

Solar Energy in Waipahu

The month of September has the highest historical solar radition values in Waipahu with an average of 6.41 kWh/m2/day. [More]

Solar Panels in Waipahu

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

Sunrise & Sunset in Waipahu

The total length of the day in Waipahu, HI today (December 17, 2018) will be 10 hours and 50 minutes. [More]

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Waipahu, HI Solar Energy

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.

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


Solar Energy Analysis for Waipahu, HI

Solar Radiation Data in Waipahu

Based on historical Waipahu, 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 Waipahu. [1]

Waipahu has an average monthly Global Horizontal Irradiance (GHI) of 5.6 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 0% less than the average monthly Direct Normal Irradiance (DNI) of 5.62 kWh/m2/day. [1]

Solar installations in Waipahu that are always titled at the latitude of Waipahu (Average Tilt at Latitude or ATaL) average 5.91 kWh/m2/day, or about 6% greater than the average monthly GHI of 5.6 kWh/m2/day and approximately 5% greater than the average monthly DNI of 5.62 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 Waipahu

Solar Radiation Data in Waipahu, HI

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

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

Solar Radiation Analysis for Waipahu, HI

Solar Radiation Data in Waipahu

Waipahu, HI has a average annual solar radiation value of 5.72 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Waipahu is September with an average of 6.41 kWh/m2/day, followed by August at 6.25 kWh/m2/day and July at 6.01 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Waipahu (Hawaii) are December with an average of 4.92 kWh/m2/day, followed by January with an average of 5.01 kWh/m2/day and November at 5.17 kWh/m2/day. [1]

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

Solar Power Levels in Waipahu

The average monthly solar radiation level in Waipahu, HI, of 5.72 kilowatt hours per square meter per day (kWh/m2/day) is approximately 53% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 13% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: 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]

→ 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 Waipahu

Sunrise / Sunset in Waipahu

  • Sunrise/Sunset for December 17, 2018 [2]
    • Sunrise: 7:03 am
    • Sunset: 5:53 pm
    • Solar Noon: 12:28 pm
    • Length of Day: 10:50
Solar Energy Statistics for Waipahu

Best Months for Solar in Waipahu

  • Top Solar Power Months Historically [1]
    • Solar Radiation September (6.41 kWh/m2/day)
    • ATaL: August (6.41 kWh/m2/day)
    • DNI: August (6.51 kWh/m2/day)
    • GHI: June (6.86 kWh/m2/day)

* See glossary & definitions above.

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.

However, Waipahu is in Honolulu County and Honolulu County has at least 856 solar insallations right now. [1]

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]

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

Solar Output Analysis for Waipahu, HI

Solar Radiation Data in Waipahu

Waipahu (HI) has a average annual solar AC output value of 6434.33 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Waipahu is August with an average of 592.21 kWhac, followed by September at 587.33 kWhac and May at 572.67 kWhac. [2]

The three months that historically average the lowest average solar output levels in Waipahu (Hawaii) are December with an average of 472.6 kWhac, followed by November with an average of 480.03 kWhac and January at 481.3 kWhac. [2]

Cost of Utilities in Waipahu

Waipahu Electricity Costs

Electricity prices (residential) in Waipahu averaged 32.29 cents per kilowatthour (¢/kWh) in September 2018, which was about 148% more than the overall U.S. average residential electricity rate of 13.01¢/kWh in September. [3]

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?

Yes, solar power is a great option  
No, solar power isn't a good option

Waipahu Natural Gas Costs

Natural gas prices (residential) in Hawaii averaged $47.36 per thousand cubic feet (Mcf) in September 2018, which was approximately 173% more than the overall U.S. average residential natural gas rate of $17.32 per Mcf in September. [4]

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Solar Businesses in Waipahu

Solar Energy Contractors in Waipahu

Contractors & builders that specialize in solar panel installations in or near Waipahu, HI.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Waipahu produced no matches.

Solar Energy Equipment in Waipahu

Businesses that sell solar energy equipment and/or solar parts in or near Waipahu, HI.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Waipahu produced no matches.

Energy Conservation Consultants in Waipahu

Energy conservation specialists that offer consulting services in or near Waipahu, HI.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Waipahu produced no matches.

Weather Forecast for Waipahu, HI [5]

Sun Dec 16
67°F
Sky Is Clear
Min: 67°F
Max: 67°F
Fresh Breeze: 8 mps ENE
Precip.: n/a
Humidity: 90%
Cloud cover: 0%
Mon Dec 17
77°F
Sky Is Clear
Min: 62°F
Max: 79°F
Fresh Breeze: 10 mps E
Precip.: n/a
Humidity: 65%
Cloud cover: 8%
Tue Dec 18
76°F
Light Rain
Min: 59°F
Max: 77°F
Moderate breeze: 7 mps NNW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 56%
Wed Dec 19
74°F
Light Rain
Min: 67°F
Max: 75°F
Strong breeze: 13 mps NNE
Precip.: Chance of Rain
Humidity: 58%
Cloud cover: 24%
Thu Dec 20
75°F
Moderate Rain
Min: 73°F
Max: 75°F
Gale: 19 mps NE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 57%
Fri Dec 21
76°F
Moderate Rain
Min: 73°F
Max: 76°F
High wind, near gale: 16 mps ENE
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 3%

More about Waipahu

About Waipahu

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

Waipahu Solar Power

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.

Did you know?

photovoltaic effect.", "Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.", "Various missions to space by different countries are known to utilize solar energy as a main power source.", "The largest solar power plant in the world covers 1000 acres & is located in the Mojave Desert in California.", "Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.", "Solar power is renewable, does not produce any pollutants and is one of the cleanest source of energy.", "It takes light about 8 minutes, 19 seconds to travel the 93,000,000 miles from the sun's surface to us on Earth.", "About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.", "The solar energy that strikes the Earth in one hour could provide all of the Earth's energy needs for a complete year." ); srand(time()); $num = count($dyk); $rand = (rand()%$num); print("$dyk[$rand]"); ?>

Other Cities in Hawaii

ZIP Codes in HI


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References