See the chart below to see how different types of solar panel installations compare in Smithfield.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Smithfield, NC data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Smithfield. [1]
Smithfield has an average monthly Global Horizontal Irradiance (GHI) of 4.48 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 2% less than the average monthly Direct Normal Irradiance (DNI) of 4.56 kWh/m2/day. [1]
Solar installations in Smithfield that are always titled at the latitude of Smithfield (Average Tilt at Latitude or ATaL) average 5.15 kWh/m2/day, or about 15% greater than the average monthly GHI of 4.48 kWh/m2/day and approximately 13% greater than the average monthly DNI of 4.56 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 Smithfield.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Smithfield, NC has a average annual solar radiation value of 5.3 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Smithfield is May with an average of 5.81 kWh/m2/day, followed by June at 5.8 kWh/m2/day and July at 5.72 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Smithfield (North Carolina) are December with an average of 4.36 kWh/m2/day, followed by January with an average of 4.68 kWh/m2/day and November at 4.98 kWh/m2/day. [1]
The average monthly solar radiation level in Smithfield, NC, of 5.3 kilowatt hours per square meter per day (kWh/m2/day) is approximately 35% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 20% less than the average level of 6.61 kWh/m2/day in a city with historically high levels (NV). [1]
→ Values listed as 0 (zero) are not available (N/A).
Below is a month-by-month comparison of how average Smithfield 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 town of Smithfield, NC at this current time.
Monthly AC solar system output averages for Smithfield (nc). Month-by-month solar power, as ranked by AC output, in Smithfield. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Smithfield (NC) has a average annual solar AC output value of 5964.66 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Smithfield is May with an average of 548.44 kWhac, followed by March at 530.85 kWhac and April at 530.78 kWhac. [2]
The three months that historically average the lowest average solar output levels in Smithfield (North Carolina) are December with an average of 438.4 kWhac, followed by February with an average of 461.99 kWhac and September at 467.21 kWhac. [2]
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Vote now: Given all of the data and analysis provided for Smithfield, is solar power a good choice for residents of this town?
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The town of Smithfield, NC in Johnston County has an approximate population of 10,966. [6]
To learn more about solar energy and solar power Smithfield, NC, or for more solar-related resources for Smithfield, visit the U.S. Energy Information Administration.
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