Solar Energy & Solar Power Resources

Solar Power in 40509 (Lexington, KY)

Solar Energy in 40509

Sorry, historical solar radition values for 40509 are currently unavailable, please check back later.

Solar Panels in 40509

Solar panels in 40509 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40509

The total length of the day in 40509 (Lexington, KY) today (October 11, 2025) will be 11 hours and 25 minutes. [More]

Solar Energy in 40509 (Lexington, KY)

Solar Energy Data for 40509

See the chart below to see how different types of solar panel installations compare in 40509.

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

Solar Energy Analysis for 40509

Sorry, it is not possible to complete our solar energy analysis for 40509 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 40509

Solar Radiation Data in 40509

See the chart below for monthly solar radiation levels in 40509.

Sorry, data is not currently available.

Solar Radiation Analysis for 40509

Sorry, it is not possible to complete our solar radiation analysis for 40509 at this time.

Historical solar radiation data for 40509 is not currently available.

Please check back later.

Solar Power Comparison: 40509 vs. the U.S.

Solar Power Levels in 40509

Sorry, solar radiation data for 40509 is not currently available.

Solar Power: 40509 vs. the U.S.

Below is a month-by-month comparison of how average 40509 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 40509

Sunrise / Sunset in 40509

Sunrise/Sunset for October 11, 2025 ^[2]
- Sunrise: 7:41 am
- Sunset: 7:06 pm
- Length of Day: 11:25

Best Months for Solar in 40509

Monthly data not currently available.

Solar Panel Installs in 40509

We do not have data on solar panel installations in ZIP Code 40509 at the current time.

Solar Power Output in 40509

The Power of Solar in 40509

Monthly AC solar system output averages for 40509. Month-by-month solar power, as ranked by AC output, in 40509. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40509

Sorry, it is not possible to complete our solar radiation analysis for 40509 at this time.

Historical solar radiation data for 40509 is not currently available.

Please check back later.

Weather Forecast for 40509 ^[5]

Sat Oct 11

69°F

Sky Is Clear
Min: 46°F
Max: 72°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 42%
Cloud cover: 0%

Sun Oct 12

66°F

Sky Is Clear
Min: 48°F
Max: 68°F

Gentle Breeze: 8 mps NE
Precip.: n/a
Humidity: 61%
Cloud cover: 0%

Mon Oct 13

68°F

Scattered Clouds
Min: 52°F
Max: 71°F

Gentle Breeze: 8 mps ENE
Precip.: n/a
Humidity: 67%
Cloud cover: 25%

Tue Oct 14

70°F

Sky Is Clear
Min: 52°F
Max: 72°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 52%
Cloud cover: 3%

Wed Oct 15

62°F

Broken Clouds
Min: 49°F
Max: 63°F

Gentle Breeze: 11 mps NE
Precip.: n/a
Humidity: 73%
Cloud cover: 55%

Thu Oct 16

60°F

Sky Is Clear
Min: 41°F
Max: 61°F

Gentle Breeze: 10 mps ENE
Precip.: n/a
Humidity: 45%
Cloud cover: 1%

More about 40509

About 40509

The ZIP code 40509 is associated with the city of Lexington in Fayette County in Kentucky.

40509 Solar Energy & Power

To learn more about solar energy and solar power in 40509, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.