Solar Energy & Solar Power Resources

Solar Power in 99803 (Juneau, AK)

Solar Energy in 99803

Sorry, historical solar radition values for 99803 are currently unavailable, please check back later.

Solar Panels in 99803

Solar panels in 99803 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99803

The total length of the day in 99803 (Juneau, AK) today (April 19, 2025) will be 14 hours and 52 minutes. [More]

Solar Energy in 99803 (Juneau, AK)

Solar Energy Data for 99803

See the chart below to see how different types of solar panel installations compare in 99803.

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

Solar Energy Analysis for 99803

Sorry, it is not possible to complete our solar energy analysis for 99803 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 99803

Solar Radiation Data in 99803

See the chart below for monthly solar radiation levels in 99803.

Sorry, data is not currently available.

Solar Radiation Analysis for 99803

Sorry, it is not possible to complete our solar radiation analysis for 99803 at this time.

Historical solar radiation data for 99803 is not currently available.

Please check back later.

Solar Power Comparison: 99803 vs. the U.S.

Solar Power Levels in 99803

Sorry, solar radiation data for 99803 is not currently available.

Solar Power: 99803 vs. the U.S.

Below is a month-by-month comparison of how average 99803 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 Alaska is not currently available.

Solar Data & Statistics for 99803

Sunrise / Sunset in 99803

Sunrise/Sunset for April 19, 2025 ^[2]
- Sunrise: 5:30 am
- Sunset: 8:22 pm
- Length of Day: 14:52

Best Months for Solar in 99803

Monthly data not currently available.

Solar Panel Installs in 99803

We do not have data on solar panel installations in ZIP Code 99803 at the current time.

Solar Power Output in 99803

The Power of Solar in 99803

Monthly AC solar system output averages for 99803. Month-by-month solar power, as ranked by AC output, in 99803. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99803

Sorry, it is not possible to complete our solar radiation analysis for 99803 at this time.

Historical solar radiation data for 99803 is not currently available.

Please check back later.

Weather Forecast for 99803 ^[5]

Sat Apr 19

41°F

Rain And Snow
Min: 35°F
Max: 43°F

Light breeze: 5 mps SSE
Precip.: Chance of Rain
Humidity: 86%
Cloud cover: 98%

Sun Apr 20

43°F

Light Snow
Min: 34°F
Max: 44°F

Light breeze: 4 mps NNW
Precip.: Chance of Snow
Humidity: 72%
Cloud cover: 90%

Mon Apr 21

42°F

Rain And Snow
Min: 36°F
Max: 42°F

Light breeze: 5 mps SSE
Precip.: Chance of Rain
Humidity: 80%
Cloud cover: 100%

Tue Apr 22

39°F

Snow
Min: 38°F
Max: 40°F

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

Wed Apr 23

41°F

Rain And Snow
Min: 38°F
Max: 42°F

Light breeze: 4 mps ENE
Precip.: Chance of Rain
Humidity: 100%
Cloud cover: 100%

Thu Apr 24

49°F

Overcast Clouds
Min: 34°F
Max: 50°F

Light breeze: 5 mps NNE
Precip.: n/a
Humidity: 78%
Cloud cover: 100%

More about 99803

About 99803

The ZIP code 99803 is associated with the city of Juneau in Juneau City and Borough County in Alaska.

99803 Solar Energy & Power

To learn more about solar energy and solar power in 99803, or for more solar-related resources for AK, check out the U.S. Energy Information Administration.