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Solar Energy in Kailua, HI

Solar Energy in Kailua

The month of September has the highest historical solar radition values in Kailua with an average of 5.48 kWh/m2/day. [More]

Solar Panels in Kailua

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

Sunrise & Sunset in Kailua

The total length of the day in Kailua, HI today (December 07, 2021) will be 10 hours and 52 minutes. [More]

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Kailua, HI Solar Energy

Solar Power in Kailua, HI

Solar Energy Data in Kailua, HI

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

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


Solar Energy Analysis for Kailua, HI

Solar Radiation Data in Kailua

Based on historical Kailua, 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 Kailua. [1]

Kailua has an average monthly Global Horizontal Irradiance (GHI) of 5.37 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 10% greater than the average monthly Direct Normal Irradiance (DNI) of 4.87 kWh/m2/day. [1]

Solar installations in Kailua that are always titled at the latitude of Kailua (Average Tilt at Latitude or ATaL) average 5.63 kWh/m2/day, or about 5% greater than the average monthly GHI of 5.37 kWh/m2/day and approximately 16% greater than the average monthly DNI of 4.87 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 Kailua

Solar Radiation Data in Kailua, HI

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

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

Solar Radiation Analysis for Kailua, HI

Solar Radiation Data in Kailua

Kailua, HI has a average annual solar radiation value of 4.92 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Kailua is September with an average of 5.48 kWh/m2/day, followed by February at 5.17 kWh/m2/day and October at 5.13 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Kailua (Hawaii) are June with an average of 4.64 kWh/m2/day, followed by December with an average of 4.65 kWh/m2/day and November at 4.69 kWh/m2/day. [1]

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

Solar Power Levels in Kailua

The average monthly solar radiation level in Kailua, HI, of 4.92 kilowatt hours per square meter per day (kWh/m2/day) is approximately 32% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% 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 Kailua 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 Kailua

Sunrise / Sunset in Kailua

  • Sunrise/Sunset for December 07, 2021 [2]
    • Sunrise: 6:56 am
    • Sunset: 5:48 pm
    • Length of Day: 10:52
Solar Energy Statistics for Kailua

Best Months for Solar in Kailua

  • Top Solar Power Months Historically [1]
    • Solar Radiation September (5.48 kWh/m2/day)
    • ATaL: September (6.33 kWh/m2/day)
    • DNI: September (5.86 kWh/m2/day)
    • GHI: June (6.89 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Kailua

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

Solar Power Output in Kailua

The Power of Solar in Kailua, HI

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

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

Solar Output Analysis for Kailua, HI

Solar Radiation Data in Kailua

Kailua (HI) has a average annual solar AC output value of 5551.38 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Kailua is September with an average of 502.79 kWhac, followed by October at 491.96 kWhac and August at 489.73 kWhac. [2]

The three months that historically average the lowest average solar output levels in Kailua (Hawaii) are June with an average of 430.94 kWhac, followed by November with an average of 439.31 kWhac and February at 445.57 kWhac. [2]

Cost of Utilities in Kailua

Kailua Electricity Costs

Electricity prices (residential) in Kailua 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: Kailua

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

Kailua 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 Kailua, HI [5]

Tue Dec 7
73°F
Moderate Rain
Min: 71°F
Max: 75°F
Moderate breeze: 14 mps ENE
Precip.: Chance of Rain
Humidity: 90%
Cloud cover: 100%
Wed Dec 8
76°F
Light Rain
Min: 75°F
Max: 76°F
Fresh Breeze: 23 mps ENE
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 95%
Thu Dec 9
76°F
Light Rain
Min: 75°F
Max: 76°F
Fresh Breeze: 21 mps E
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 33%
Fri Dec 10
76°F
Light Rain
Min: 75°F
Max: 76°F
Fresh Breeze: 23 mps ENE
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 27%
Sat Dec 11
76°F
Light Rain
Min: 74°F
Max: 76°F
Strong breeze: 26 mps ENE
Precip.: Chance of Rain
Humidity: 77%
Cloud cover: 64%
Sun Dec 12
75°F
Light Rain
Min: 74°F
Max: 75°F
Strong breeze: 26 mps ENE
Precip.: Chance of Rain
Humidity: 77%
Cloud cover: 85%

More about Kailua

About Kailua

The city of Kailua, HI in Honolulu County has an approximate population of 38,635. [6]

Kailua Solar Power

Kailua, HI Solar Energy

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

Did you know?

About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.

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References