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Solar Energy in Lahaina, HI

Solar Energy in Lahaina

The month of October has the highest historical solar radition values in Lahaina with an average of 6.43 kWh/m2/day. [More]

Solar Panels in Lahaina

Solar panels in Lahaina that always track the sun throughout the day will produce the maximum solar energy output. [More]

Sunrise & Sunset in Lahaina

The total length of the day in Lahaina, HI today (January 25, 2022) will be 11 hours and 8 minutes. [More]

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Lahaina, HI Solar Energy

Solar Power in Lahaina, HI

Solar Energy Data in Lahaina, HI

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

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


Solar Energy Analysis for Lahaina, HI

Solar Radiation Data in Lahaina

Based on historical Lahaina, HI data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Lahaina. [1]

Lahaina has an average monthly Global Horizontal Irradiance (GHI) of 6.08 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 11% less than the average monthly Direct Normal Irradiance (DNI) of 6.81 kWh/m2/day. [1]

Solar installations in Lahaina that are always titled at the latitude of Lahaina (Average Tilt at Latitude or ATaL) average 6.43 kWh/m2/day, or about 6% greater than the average monthly GHI of 6.08 kWh/m2/day and approximately 6% less than the average monthly DNI of 6.81 kWh/m2/day. [1]

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 Lahaina

Solar Radiation Data in Lahaina, HI

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

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

Solar Radiation Analysis for Lahaina, HI

Solar Radiation Data in Lahaina

Lahaina, HI has a average annual solar radiation value of 5.87 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Lahaina is October with an average of 6.43 kWh/m2/day, followed by September at 6.32 kWh/m2/day and February at 6.32 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Lahaina (Hawaii) are June with an average of 4.86 kWh/m2/day, followed by July with an average of 5.2 kWh/m2/day and May at 5.21 kWh/m2/day. [1]

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

Solar Power Levels in Lahaina

The average monthly solar radiation level in Lahaina, HI, of 5.87 kilowatt hours per square meter per day (kWh/m2/day) is approximately 57% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 11% 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: Lahaina vs. the U.S.

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

Sunrise / Sunset in Lahaina

  • Sunrise/Sunset for January 25, 2022 [2]
    • Sunrise: 7:05 am
    • Sunset: 6:13 pm
    • Length of Day: 11:8
Solar Energy Statistics for Lahaina

Best Months for Solar in Lahaina

  • Top Solar Power Months Historically [1]
    • Solar Radiation October (6.43 kWh/m2/day)
    • ATaL: August (6.93 kWh/m2/day)
    • DNI: August (7.89 kWh/m2/day)
    • GHI: June (7.32 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Lahaina

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

Solar Power Output in Lahaina

The Power of Solar in Lahaina, HI

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

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

Solar Output Analysis for Lahaina, HI

Solar Radiation Data in Lahaina

Lahaina (HI) has a average annual solar AC output value of 6578.69 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Lahaina is October with an average of 615.78 kWhac, followed by January at 594.11 kWhac and December at 585.16 kWhac. [2]

The three months that historically average the lowest average solar output levels in Lahaina (Hawaii) are June with an average of 444.07 kWhac, followed by July with an average of 492.66 kWhac and May at 496.49 kWhac. [2]

Cost of Utilities in Lahaina

Lahaina Electricity Costs

Electricity prices (residential) in Lahaina averaged 34.28 cents per kilowatthour (¢/kWh) in October 2021, which was about 143% more than the overall U.S. average residential electricity rate of 14.11¢/kWh in October. [3]

Solar Power Poll: Lahaina

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

Lahaina Natural Gas Costs

Natural gas prices (residential) in Hawaii averaged $50.89 per thousand cubic feet (Mcf) in October 2021, which was approximately 191% more than the overall U.S. average residential natural gas rate of $17.48 per Mcf in October. [4]

Weather Forecast for Lahaina, HI [5]

Tue Jan 25
74°F
Scattered Clouds
Min: 70°F
Max: 74°F
Moderate breeze: 12 mps NE
Precip.: n/a
Humidity: 65%
Cloud cover: 39%
Wed Jan 26
74°F
Light Rain
Min: 70°F
Max: 74°F
Gentle Breeze: 11 mps ENE
Precip.: Chance of Rain
Humidity: 62%
Cloud cover: 7%
Thu Jan 27
74°F
Light Rain
Min: 71°F
Max: 75°F
Light breeze: 5 mps ENE
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 1%
Fri Jan 28
74°F
Light Rain
Min: 72°F
Max: 75°F
Gentle Breeze: 7 mps ENE
Precip.: Chance of Rain
Humidity: 71%
Cloud cover: 4%
Sat Jan 29
74°F
Sky Is Clear
Min: 71°F
Max: 75°F
Gentle Breeze: 8 mps ENE
Precip.: n/a
Humidity: 63%
Cloud cover: 1%
Sun Jan 30
74°F
Scattered Clouds
Min: 72°F
Max: 74°F
Gentle Breeze: 7 mps E
Precip.: n/a
Humidity: 63%
Cloud cover: 27%

More about Lahaina

About Lahaina

The city of Lahaina, HI in Maui County has an approximate population of 11,704. [6]

Lahaina Solar Power

Lahaina, HI Solar Energy

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

Did you know?

Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.

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References