See the chart below to see how different types of solar panel installations compare in Kahului.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Kahului, 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 Kahului. [1]
Kahului has an average monthly Global Horizontal Irradiance (GHI) of 5.81 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 5.93 kWh/m2/day. [1]
Solar installations in Kahului that are always titled at the latitude of Kahului (Average Tilt at Latitude or ATaL) average 6.13 kWh/m2/day, or about 6% greater than the average monthly GHI of 5.81 kWh/m2/day and approximately 3% greater than the average monthly DNI of 5.93 kWh/m2/day. [1]
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: 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: 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.
See the chart below for monthly solar radiation levels in Kahului.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Sorry, solar radiation data for Hawaii is not currently available. Please try again later.
Below is a month-by-month comparison of how average Kahului 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).
We do not currently have data on solar panel installations in the city of Kahului, HI at this current time.
Monthly AC solar system output averages for Kahului (hi). Month-by-month solar power, as ranked by AC output, in Kahului. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Electricity prices (residential) in Kahului 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]
Vote now: Given all of the data and analysis provided for Kahului, is solar power a good choice for residents of this city?
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]
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The city of Kahului, HI in Maui County has an approximate population of 26,337. [6]
To learn more about solar energy and solar power Kahului, HI, or for more solar-related resources for Kahului, visit the U.S. Energy Information Administration.
Solar cells convert sunlight into electricity through a physical process known as the photovoltaic effect.
