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Solar Energy in Halawa, HI

Solar Energy in Halawa

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

Solar Panels in Halawa

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

Sunrise & Sunset in Halawa

The total length of the day in Halawa, HI today (December 12, 2018) will be 10 hours and 50 minutes. [More]

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Halawa, HI Solar Energy

Solar Power in Halawa, HI

Solar Energy Data in Halawa, HI

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

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


Solar Energy Analysis for Halawa, HI

Solar Radiation Data in Halawa

Based on historical Halawa, 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 Halawa. [1]

Halawa has an average monthly Global Horizontal Irradiance (GHI) of 5.72 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 5.84 kWh/m2/day. [1]

Solar installations in Halawa that are always titled at the latitude of Halawa (Average Tilt at Latitude or ATaL) average 6.04 kWh/m2/day, or about 6% greater than the average monthly GHI of 5.72 kWh/m2/day and approximately 3% greater than the average monthly DNI of 5.84 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 Halawa

Solar Radiation Data in Halawa, HI

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

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

Solar Radiation Analysis for Halawa, HI

Solar Radiation Data in Halawa

Halawa, 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 Halawa 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 Halawa (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: Halawa vs. the U.S.

Solar Power Levels in Halawa

The average monthly solar radiation level in Halawa, 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 Halawa 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 Halawa

Sunrise / Sunset in Halawa

  • Sunrise/Sunset for December 12, 2018 [2]
    • Sunrise: 7:00 am
    • Sunset: 5:51 pm
    • Solar Noon: 12:25 pm
    • Length of Day: 10:50
Solar Energy Statistics for Halawa

Best Months for Solar in Halawa

  • Top Solar Power Months Historically [1]
    • Solar Radiation September (6.41 kWh/m2/day)
    • ATaL: September (6.58 kWh/m2/day)
    • DNI: August (6.82 kWh/m2/day)
    • GHI: June (7.03 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Halawa

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

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

Solar Power Output in Halawa

The Power of Solar in Halawa, HI

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

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

Solar Output Analysis for Halawa, HI

Solar Radiation Data in Halawa

Halawa (HI) has a average annual solar AC output value of 6434.34 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Halawa 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 Halawa (Hawaii) are December with an average of 472.59 kWhac, followed by November with an average of 480.03 kWhac and January at 481.29 kWhac. [2]

Cost of Utilities in Halawa

Halawa Electricity Costs

Electricity prices (residential) in Halawa 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: Halawa

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

Halawa 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 Halawa

Solar Energy Contractors in Halawa

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

Sorry, no local solar energy contractors found.

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

Solar Energy Equipment in Halawa

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

Sorry, no local business selling solar equipment were found.

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

Energy Conservation Consultants in Halawa

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

Sorry, no local energy conservation specialists were found.

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

Weather Forecast for Halawa, HI [5]

Wed Dec 12
77°F
Light Rain
Min: 72°F
Max: 77°F
Fresh Breeze: 10 mps ENE
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 68%
Thu Dec 13
76°F
Broken Clouds
Min: 69°F
Max: 76°F
High wind, near gale: 15 mps ENE
Precip.: n/a
Humidity: 67%
Cloud cover: 76%
Fri Dec 14
78°F
Sky Is Clear
Min: 69°F
Max: 79°F
High wind, near gale: 14 mps E
Precip.: n/a
Humidity: 61%
Cloud cover: 0%
Sat Dec 15
80°F
Sky Is Clear
Min: 73°F
Max: 80°F
High wind, near gale: 16 mps ENE
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Sun Dec 16
80°F
Sky Is Clear
Min: 72°F
Max: 80°F
Moderate breeze: 7 mps E
Precip.: n/a
Humidity: 0%
Cloud cover: 0%
Mon Dec 17
79°F
Light Rain
Min: 72°F
Max: 79°F
Fresh Breeze: 10 mps WNW
Precip.: n/a
Humidity: 0%
Cloud cover: 14%

More about Halawa

About Halawa

The city of Halawa, HI in Honolulu County has an approximate population of 14,014. [6]

Halawa Solar Power

Halawa, HI Solar Energy

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

Did you know?

Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.

Other Cities in Hawaii

ZIP Codes in HI


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References