Solar Energy & Solar Power Resources

Solar Power in 40220 (Louisville, KY)

Solar Energy in 40220

Sorry, historical solar radition values for 40220 are currently unavailable, please check back later.

Solar Panels in 40220

Solar panels in 40220 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40220

The total length of the day in 40220 (Louisville, KY) today (June 23, 2026) will be 14 hours and 53 minutes. [More]

Solar Energy in 40220 (Louisville, KY)

Solar Energy Data for 40220

See the chart below to see how different types of solar panel installations compare in 40220.

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

Solar Energy Analysis for 40220

Sorry, it is not possible to complete our solar energy analysis for 40220 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 40220

Solar Radiation Data in 40220

See the chart below for monthly solar radiation levels in 40220.

Sorry, data is not currently available.

Solar Radiation Analysis for 40220

Sorry, it is not possible to complete our solar radiation analysis for 40220 at this time.

Historical solar radiation data for 40220 is not currently available.

Please check back later.

Solar Power Comparison: 40220 vs. the U.S.

Solar Power Levels in 40220

Sorry, solar radiation data for 40220 is not currently available.

Solar Power: 40220 vs. the U.S.

Below is a month-by-month comparison of how average 40220 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 40220

Sunrise / Sunset in 40220

Sunrise/Sunset for June 23, 2026 ^[2]
- Sunrise: 6:18 am
- Sunset: 9:11 pm
- Length of Day: 14:53

Best Months for Solar in 40220

Monthly data not currently available.

Solar Panel Installs in 40220

We do not have data on solar panel installations in ZIP Code 40220 at the current time.

Solar Power Output in 40220

The Power of Solar in 40220

Monthly AC solar system output averages for 40220. Month-by-month solar power, as ranked by AC output, in 40220. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40220

Sorry, it is not possible to complete our solar radiation analysis for 40220 at this time.

Historical solar radiation data for 40220 is not currently available.

Please check back later.

Weather Forecast for 40220 ^[5]

Tue Jun 23

75°F

Sky Is Clear
Min: 61°F
Max: 77°F

Gentle Breeze: 8 mps N
Precip.: n/a
Humidity: 56%
Cloud cover: 0%

Wed Jun 24

78°F

Overcast Clouds
Min: 60°F
Max: 82°F

Light breeze: 5 mps WNW
Precip.: n/a
Humidity: 45%
Cloud cover: 88%

Thu Jun 25

84°F

Light Rain
Min: 65°F
Max: 88°F

Gentle Breeze: 10 mps SW
Precip.: Chance of Rain
Humidity: 51%
Cloud cover: 50%

Fri Jun 26

87°F

Heavy Intensity Rain
Min: 70°F
Max: 87°F

Gentle Breeze: 12 mps W
Precip.: Chance of Rain
Humidity: 58%
Cloud cover: 99%

Sat Jun 27

79°F

Moderate Rain
Min: 68°F
Max: 81°F

Gentle Breeze: 9 mps WSW
Precip.: Chance of Rain
Humidity: 83%
Cloud cover: 100%

Sun Jun 28

90°F

Moderate Rain
Min: 70°F
Max: 92°F

Light breeze: 5 mps W
Precip.: Chance of Rain
Humidity: 59%
Cloud cover: 32%

More about 40220

About 40220

The ZIP code 40220 is associated with the city of Louisville in Jefferson County in Kentucky.

40220 Solar Energy & Power

To learn more about solar energy and solar power in 40220, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.