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Solar Power in 42157 (Mount Hermon, KY)

Solar Energy in 42157

The month of June has the highest historical solar radition values in 42157 with an average of 5.83 kWh/m2/day. [More]

Solar Panels in 42157

Solar panels in 42157 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 42157

The total length of the day in 42157 (Mount Hermon, KY) today (July 08, 2025) will be 14 hours and 36 minutes. [More]

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42157 Solar Energy

Solar Energy in 42157 (Mount Hermon, KY)

Solar Energy Data for 42157

See the chart below to see how different types of solar panel installations compare in 42157.

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


Solar Energy Analysis for 42157

Solar Radiation Data in 42157

Based on historical 42157 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 42157. [1]

The region associated with 42157 has an average monthly Global Horizontal Irradiance (GHI) of 4.21 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 3% greater than the average monthly Direct Normal Irradiance (DNI) of 4.1 kWh/m2/day. [1]

Solar installations in 42157 that are always titled at the latitude of Mount Hermon (Average Tilt at Latitude or ATaL) average 4.77 kWh/m2/day, or about 13% greater than the average monthly GHI of 4.21 kWh/m2/day and approximately 16% greater than the average monthly DNI of 4.1 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 42157

Solar Radiation Data in 42157

See the chart below for monthly solar radiation levels in 42157.

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

Solar Radiation Analysis for 42157

Solar Radiation Data in 42157

The region associated with 42157 has a average annual solar radiation value of 4.95 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 42157 is June with an average of 5.83 kWh/m2/day, followed by August at 5.83 kWh/m2/day and May at 5.77 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 42157 are December with an average of 3.54 kWh/m2/day, followed by January with an average of 3.62 kWh/m2/day and February at 4.17 kWh/m2/day. [1]

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Solar Power Comparison: 42157 vs. the U.S.

Solar Power Levels in 42157

The average monthly solar radiation level in 42157, of 4.95 kilowatt hours per square meter per day (kWh/m2/day) is approximately 26% greater than the average level of 3.93 kWh/m2/day in a city with historically low levels (WA) and is approximately 25% 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).

Solar Power: 42157 vs. the U.S.

Below is a month-by-month comparison of how average 42157 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 42157

Sunrise / Sunset in 42157

  • Sunrise/Sunset for July 08, 2025 [2]
    • Sunrise: 5:30 am
    • Sunset: 8:06 pm
    • Length of Day: 14:36
Solar Energy Statistics for 42157

Best Months for Solar in 42157

  • Top Solar Power Months Historically [1]
    • Solar Radiation June (5.83 kWh/m2/day)
    • ATaL: August (5.87 kWh/m2/day)
    • DNI: June (5.14 kWh/m2/day)
    • GHI: June (6.39 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 42157

We do not have data on solar panel installations in ZIP Code 42157 at the current time.

Solar Power Output in 42157

The Power of Solar in 42157

Monthly AC solar system output averages for 42157. Month-by-month solar power, as ranked by AC output, in 42157. [2]

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

Solar Output Analysis for 42157

Solar Radiation Data in 42157

42157 has a average annual solar AC output value of 5529.79 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 42157 is May with an average of 544.36 kWhac, followed by August at 531.25 kWhac and June at 516.85 kWhac. [2]

The three months that historically average the lowest average solar output levels in 42157 are December with an average of 350.52 kWhac, followed by January with an average of 363.98 kWhac and February at 374.59 kWhac. [2]

Weather Forecast for 42157 [5]

Tue Jul 8
85°F
Moderate Rain
Min: 71°F
Max: 85°F
Gentle Breeze: 10 mps W
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 90%
Wed Jul 9
78°F
Moderate Rain
Min: 69°F
Max: 82°F
Light breeze: 7 mps SW
Precip.: Chance of Rain
Humidity: 82%
Cloud cover: 100%
Thu Jul 10
81°F
Moderate Rain
Min: 69°F
Max: 83°F
Gentle Breeze: 8 mps SW
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 90%
Fri Jul 11
84°F
Light Rain
Min: 70°F
Max: 86°F
Light breeze: 7 mps SSW
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 93%
Sat Jul 12
85°F
Light Rain
Min: 70°F
Max: 85°F
Moderate breeze: 15 mps WSW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 52%
Sun Jul 13
80°F
Moderate Rain
Min: 71°F
Max: 82°F
Gentle Breeze: 8 mps WSW
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 98%

More about 42157

About 42157

The ZIP code 42157 is associated with the city of Mount Hermon in Monroe County in Kentucky.

42157 Solar Power

42157 Solar Energy & Power

To learn more about solar energy and solar power in 42157, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.

Did you know?

It takes light about 8 minutes, 19 seconds to travel the 93,000,000 miles from the sun's surface to us on Earth.

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References

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