Solar Energy & Solar Power Resources

Solar Power in 40204 (Louisville, KY)

Solar Energy in 40204

Sorry, historical solar radition values for 40204 are currently unavailable, please check back later.

Solar Panels in 40204

Solar panels in 40204 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 40204

The total length of the day in 40204 (Louisville, KY) today (April 29, 2025) will be 13 hours and 47 minutes. [More]

Solar Energy in 40204 (Louisville, KY)

Solar Energy Data for 40204

See the chart below to see how different types of solar panel installations compare in 40204.

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

Solar Energy Analysis for 40204

Sorry, it is not possible to complete our solar energy analysis for 40204 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 40204

Solar Radiation Data in 40204

See the chart below for monthly solar radiation levels in 40204.

Sorry, data is not currently available.

Solar Radiation Analysis for 40204

Sorry, it is not possible to complete our solar radiation analysis for 40204 at this time.

Historical solar radiation data for 40204 is not currently available.

Please check back later.

Solar Power Comparison: 40204 vs. the U.S.

Solar Power Levels in 40204

Sorry, solar radiation data for 40204 is not currently available.

Solar Power: 40204 vs. the U.S.

Below is a month-by-month comparison of how average 40204 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 40204

Sunrise / Sunset in 40204

Sunrise/Sunset for April 29, 2025 ^[2]
- Sunrise: 6:46 am
- Sunset: 8:33 pm
- Length of Day: 13:47

Best Months for Solar in 40204

Monthly data not currently available.

Solar Panel Installs in 40204

We do not have data on solar panel installations in ZIP Code 40204 at the current time.

Solar Power Output in 40204

The Power of Solar in 40204

Monthly AC solar system output averages for 40204. Month-by-month solar power, as ranked by AC output, in 40204. ^[2]

AC output data is not currently available.

Solar Output Analysis for 40204

Sorry, it is not possible to complete our solar radiation analysis for 40204 at this time.

Historical solar radiation data for 40204 is not currently available.

Please check back later.

Weather Forecast for 40204 ^[5]

Tue Apr 29

80°F

Moderate Rain
Min: 67°F
Max: 82°F

Moderate breeze: 13 mps SW
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 100%

Wed Apr 30

71°F

Heavy Intensity Rain
Min: 63°F
Max: 77°F

Light breeze: 6 mps WSW
Precip.: Chance of Rain
Humidity: 74%
Cloud cover: 100%

Thu May 1

78°F

Heavy Intensity Rain
Min: 63°F
Max: 78°F

Moderate breeze: 14 mps SW
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 84%

Fri May 2

66°F

Light Rain
Min: 56°F
Max: 68°F

Gentle Breeze: 12 mps WSW
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 90%

Sat May 3

58°F

Few Clouds
Min: 46°F
Max: 60°F

Gentle Breeze: 10 mps N
Precip.: n/a
Humidity: 46%
Cloud cover: 20%

Sun May 4

65°F

Sky Is Clear
Min: 43°F
Max: 66°F

Light breeze: 6 mps E
Precip.: n/a
Humidity: 39%
Cloud cover: 4%

More about 40204

About 40204

The ZIP code 40204 is associated with the city of Louisville in Jefferson County in Kentucky.

40204 Solar Energy & Power

To learn more about solar energy and solar power in 40204, or for more solar-related resources for KY, check out the U.S. Energy Information Administration.