Solar Energy & Solar Power Resources

Solar Power in 40979 (Roark, KY)

Solar Energy in 40979

Sorry, historical solar radition values for 40979 are currently unavailable, please check back later.

Solar Panels in 40979

Solar panels in 40979 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40979

The total length of the day in 40979 (Roark, KY) today (June 26, 2026) will be 14 hours and 45 minutes. [More]

Solar Energy in 40979 (Roark, KY)

Solar Energy Data for 40979

See the chart below to see how different types of solar panel installations compare in 40979.

Historical solar power output data for Roark is not currently available.

Solar Energy Analysis for 40979

Sorry, it is not possible to complete our solar energy analysis for 40979 at this time.

Please check back later.

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 40979

Solar Radiation Data in 40979

See the chart below for monthly solar radiation levels in 40979.

Sorry, data is not currently available.

Solar Radiation Analysis for 40979

Sorry, it is not possible to complete our solar radiation analysis for 40979 at this time.

Historical solar radiation data for 40979 is not currently available.

Please check back later.

Solar Power Comparison: 40979 vs. the U.S.

Solar Power Levels in 40979

Sorry, solar radiation data for 40979 is not currently available.

Solar Power: 40979 vs. the U.S.

Below is a month-by-month comparison of how average 40979 solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). ^[1]

Sorry, solar radiation data for Kentucky is not currently available.

Solar Data & Statistics for 40979

Sunrise / Sunset in 40979

Sunrise/Sunset for June 26, 2026 ^[2]
- Sunrise: 6:14 am
- Sunset: 8:59 pm
- Length of Day: 14:45

Best Months for Solar in 40979

Monthly data not currently available.

Solar Panel Installs in 40979

We do not have data on solar panel installations in ZIP Code 40979 at the current time.

Solar Power Output in 40979

The Power of Solar in 40979

Monthly AC solar system output averages for 40979. Month-by-month solar power, as ranked by AC output, in 40979. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40979

Sorry, it is not possible to complete our solar radiation analysis for 40979 at this time.

Historical solar radiation data for 40979 is not currently available.

Please check back later.

Weather Forecast for 40979 ^[5]

Fri Jun 26

77°F

Light Rain
Min: 65°F
Max: 82°F

Gentle Breeze: 11 mps W
Precip.: Chance of Rain
Humidity: 57%
Cloud cover: 100%

Sat Jun 27

72°F

Moderate Rain
Min: 67°F
Max: 77°F

Gentle Breeze: 9 mps SSW
Precip.: Chance of Rain
Humidity: 99%
Cloud cover: 100%

Sun Jun 28

77°F

Moderate Rain
Min: 66°F
Max: 82°F

Gentle Breeze: 8 mps W
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 100%

Mon Jun 29

91°F

Sky Is Clear
Min: 67°F
Max: 93°F

Light breeze: 5 mps N
Precip.: n/a
Humidity: 46%
Cloud cover: 10%

Tue Jun 30

95°F

Broken Clouds
Min: 71°F
Max: 96°F

Light breeze: 5 mps WNW
Precip.: n/a
Humidity: 43%
Cloud cover: 57%

Wed Jul 1

96°F

Sky Is Clear
Min: 73°F
Max: 98°F

Light breeze: 6 mps N
Precip.: n/a
Humidity: 38%
Cloud cover: 0%

More about 40979

About 40979

The ZIP code 40979 is associated with the city of Roark in Leslie County in Kentucky.

40979 Solar Energy & Power

To learn more about solar energy and solar power in 40979, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.