See the chart below to see how different types of solar panel installations compare in Hartly.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.
Based on historical Hartly, DE data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Hartly. [1]
Hartly has an average monthly Global Horizontal Irradiance (GHI) of 4.15 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 0% less than the average monthly Direct Normal Irradiance (DNI) of 4.17 kWh/m2/day. [1]
Solar installations in Hartly that are always titled at the latitude of Hartly (Average Tilt at Latitude or ATaL) average 4.86 kWh/m2/day, or about 17% greater than the average monthly GHI of 4.15 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.17 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 Hartly.
* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)
Hartly, DE has a average annual solar radiation value of 5.05 kilowatt hours per square meter per day (kWh/m2/day). [1]
The month with the highest historical solar radition values in Hartly is August with an average of 6.04 kWh/m2/day, followed by July at 5.94 kWh/m2/day and June at 5.66 kWh/m2/day. [1]
The three months that historically average the lowest average solar radiation levels in Hartly (Delaware) are December with an average of 3.67 kWh/m2/day, followed by January with an average of 3.86 kWh/m2/day and November at 4.15 kWh/m2/day. [1]
The average monthly solar radiation level in Hartly, DE, of 5.05 kilowatt hours per square meter per day (kWh/m2/day) is approximately 35% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 23% 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).
Below is a month-by-month comparison of how average Hartly 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 Hartly, DE at this current time.
Monthly AC solar system output averages for Hartly (de). Month-by-month solar power, as ranked by AC output, in Hartly. [2]
* Amounts listed in kWhac (kilowatt hours (AC))
Hartly (DE) has a average annual solar AC output value of 5755.25 kilowatt hours (AC). [2]
The month with the highest historical solar power output in Hartly is August with an average of 556.55 kWhac, followed by July at 552.36 kWhac and March at 529.76 kWhac. [2]
The three months that historically average the lowest average solar output levels in Hartly (Delaware) are December with an average of 375.43 kWhac, followed by January with an average of 396.51 kWhac and November at 406.39 kWhac. [2]
Electricity prices (residential) in Hartly averaged 13.69 cents per kilowatthour (¢/kWh) in October 2021, which was about 3% less than the overall U.S. average residential electricity rate of 14.11¢/kWh in October. [3]
Vote now: Given all of the data and analysis provided for Hartly, is solar power a good choice for residents of this town?
Natural gas prices (residential) in Delaware averaged $24.06 per thousand cubic feet (Mcf) in October 2021, which was approximately 38% more than the overall U.S. average residential natural gas rate of $17.48 per Mcf in October. [4]
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The town of Hartly, DE in Kent County has an approximate population of 74. [6]
To learn more about solar energy and solar power Hartly, DE, or for more solar-related resources for Hartly, visit the U.S. Energy Information Administration.
Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.
