Based on historical Mililani, 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 Mililani.
Mililani has an average monthly Global Horizontal Irradiance (GHI) of 5.07 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 12% greater than the average monthly Direct Normal Irradiance (DNI) of 4.52 kWh/m2/day. 
Solar installations in Mililani that are always titled at the latitude of Mililani (Average Tilt at Latitude or ATaL) average 5.31 kWh/m2/day, or about 5% greater than the average monthly GHI of 5.07 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.52 kWh/m2/day. 
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 Mililani
Solar Radiation Data in Mililani, HI
See the chart below for monthly solar radiation levels in Mililani.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Solar Radiation Analysis for Mililani, HI
Mililani, HI has a average annual solar radiation value of 5.72 kilowatt hours per square meter per day (kWh/m2/day). 
The month with the highest historical solar radition values in Mililani 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. 
The three months that historically average the lowest average solar radiation levels in Mililani (Hawaii) are December with an average of 4.93 kWh/m2/day, followed by January with an average of 5.01 kWh/m2/day and November at 5.17 kWh/m2/day. 
Solar Power Comparison: Mililani vs. the U.S.
Solar Power Levels in Mililani
The average monthly solar radiation level in Mililani, 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). 
→ 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 Mililani solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). 
→ 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 Mililani, HI at this current time.
However, Mililani is in Honolulu County and Honolulu County has at least 856 solar insallations right now. 
Solar Power Output in Mililani
The Power of Solar in Mililani, HI
Monthly AC solar system output averages for Mililani (hi). Month-by-month solar power, as ranked by AC output, in Mililani. 
* Amounts listed in kWhac (kilowatt hours (AC))
Solar Output Analysis for Mililani, HI
Mililani (HI) has a average annual solar AC output value of 6434.27 kilowatt hours (AC). 
The month with the highest historical solar power output in Mililani is August with an average of 592.07 kWhac, followed by September at 587.32 kWhac and May at 572.49 kWhac. 
The three months that historically average the lowest average solar output levels in Mililani (Hawaii) are December with an average of 472.8 kWhac, followed by November with an average of 480.2 kWhac and January at 481.48 kWhac. 
Cost of Utilities in Mililani
Mililani Electricity Costs
Electricity prices (residential) in Mililani 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. 
Solar Power Poll: Mililani
Vote now: Given all of the data and analysis provided for Mililani, is solar power a good choice for residents of this city?
Mililani 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. 
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"Solar cells convert sunlight into electricity through a physical process known as the 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.",
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