Solar Energy & Solar Power Resources

Solar Power in 40997 (Walker, KY)

Solar Energy in 40997

Sorry, historical solar radition values for 40997 are currently unavailable, please check back later.

Solar Panels in 40997

Solar panels in 40997 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40997

The total length of the day in 40997 (Walker, KY) today (December 04, 2025) will be 9 hours and 49 minutes. [More]

Solar Energy in 40997 (Walker, KY)

Solar Energy Data for 40997

See the chart below to see how different types of solar panel installations compare in 40997.

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

Solar Energy Analysis for 40997

Sorry, it is not possible to complete our solar energy analysis for 40997 at this time.

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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 40997

Solar Radiation Data in 40997

See the chart below for monthly solar radiation levels in 40997.

Sorry, data is not currently available.

Solar Radiation Analysis for 40997

Sorry, it is not possible to complete our solar radiation analysis for 40997 at this time.

Historical solar radiation data for 40997 is not currently available.

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Solar Power Comparison: 40997 vs. the U.S.

Solar Power Levels in 40997

Sorry, solar radiation data for 40997 is not currently available.

Solar Power: 40997 vs. the U.S.

Below is a month-by-month comparison of how average 40997 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 40997

Sunrise / Sunset in 40997

Sunrise/Sunset for December 04, 2025 ^[2]
- Sunrise: 7:30 am
- Sunset: 5:19 pm
- Length of Day: 9:49

Best Months for Solar in 40997

Monthly data not currently available.

Solar Panel Installs in 40997

We do not have data on solar panel installations in ZIP Code 40997 at the current time.

Solar Power Output in 40997

The Power of Solar in 40997

Monthly AC solar system output averages for 40997. Month-by-month solar power, as ranked by AC output, in 40997. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40997

Sorry, it is not possible to complete our solar radiation analysis for 40997 at this time.

Historical solar radiation data for 40997 is not currently available.

Please check back later.

Weather Forecast for 40997 ^[5]

Thu Dec 4

35°F

Light Snow
Min: 26°F
Max: 41°F

Light breeze: 5 mps N
Precip.: Chance of Snow
Humidity: 56%
Cloud cover: 100%

Fri Dec 5

37°F

Snow
Min: 33°F
Max: 39°F

Calm: 3 mps SSE
Precip.: Chance of Snow
Humidity: 96%
Cloud cover: 100%

Sat Dec 6

45°F

Overcast Clouds
Min: 37°F
Max: 46°F

Light breeze: 7 mps WSW
Precip.: n/a
Humidity: 75%
Cloud cover: 100%

Sun Dec 7

46°F

Light Rain
Min: 34°F
Max: 46°F

Light breeze: 5 mps W
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 92%

Mon Dec 8

34°F

Rain And Snow
Min: 27°F
Max: 40°F

Gentle Breeze: 9 mps N
Precip.: Chance of Rain
Humidity: 49%
Cloud cover: 47%

Tue Dec 9

45°F

Sky Is Clear
Min: 28°F
Max: 45°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 56%
Cloud cover: 6%

More about 40997

About 40997

The ZIP code 40997 is associated with the city of Walker in Knox County in Kentucky.

40997 Solar Energy & Power

To learn more about solar energy and solar power in 40997, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.