Solar Energy & Solar Power Resources

Solar Power in 99801 (Juneau, AK)

Solar Energy in 99801

Sorry, historical solar radition values for 99801 are currently unavailable, please check back later.

Solar Panels in 99801

Solar panels in 99801 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99801

The total length of the day in 99801 (Juneau, AK) today (September 17, 2025) will be 12 hours and 42 minutes. [More]

Solar Energy in 99801 (Juneau, AK)

Solar Energy Data for 99801

See the chart below to see how different types of solar panel installations compare in 99801.

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

Solar Energy Analysis for 99801

Sorry, it is not possible to complete our solar energy analysis for 99801 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 99801

Solar Radiation Data in 99801

See the chart below for monthly solar radiation levels in 99801.

Sorry, data is not currently available.

Solar Radiation Analysis for 99801

Sorry, it is not possible to complete our solar radiation analysis for 99801 at this time.

Historical solar radiation data for 99801 is not currently available.

Please check back later.

Solar Power Comparison: 99801 vs. the U.S.

Solar Power Levels in 99801

Sorry, solar radiation data for 99801 is not currently available.

Solar Power: 99801 vs. the U.S.

Below is a month-by-month comparison of how average 99801 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 99801

Sunrise / Sunset in 99801

Sunrise/Sunset for September 17, 2025 ^[2]
- Sunrise: 6:31 am
- Sunset: 7:13 pm
- Length of Day: 12:42

Best Months for Solar in 99801

Monthly data not currently available.

Solar Panel Installs in 99801

We do not have data on solar panel installations in ZIP Code 99801 at the current time.

Solar Power Output in 99801

The Power of Solar in 99801

Monthly AC solar system output averages for 99801. Month-by-month solar power, as ranked by AC output, in 99801. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99801

Sorry, it is not possible to complete our solar radiation analysis for 99801 at this time.

Historical solar radiation data for 99801 is not currently available.

Please check back later.

Weather Forecast for 99801 ^[5]

Wed Sep 17

53°F

Heavy Intensity Rain
Min: 49°F
Max: 55°F

Moderate breeze: 13 mps SSE
Precip.: Chance of Rain
Humidity: 97%
Cloud cover: 100%

Thu Sep 18

48°F

Moderate Rain
Min: 48°F
Max: 49°F

Light breeze: 6 mps SE
Precip.: Chance of Rain
Humidity: 97%
Cloud cover: 100%

Fri Sep 19

51°F

Heavy Intensity Rain
Min: 49°F
Max: 52°F

Light breeze: 6 mps E
Precip.: Chance of Rain
Humidity: 99%
Cloud cover: 100%

Sat Sep 20

52°F

Moderate Rain
Min: 50°F
Max: 52°F

Light breeze: 5 mps ENE
Precip.: Chance of Rain
Humidity: 98%
Cloud cover: 100%

Sun Sep 21

51°F

Light Rain
Min: 49°F
Max: 51°F

Light breeze: 6 mps SE
Precip.: Chance of Rain
Humidity: 94%
Cloud cover: 100%

Mon Sep 22

49°F

Moderate Rain
Min: 48°F
Max: 50°F

Gentle Breeze: 9 mps ESE
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 100%

More about 99801

About 99801

The ZIP code 99801 is associated with the city of Juneau in Juneau City and Borough County in Alaska.

99801 Solar Energy & Power

To learn more about solar energy and solar power in 99801, or for more solar-related resources for AK, check out the U.S. Energy Information Administration.