Solar Energy & Solar Power Resources

Solar Power in 99664 (Seward, AK)

Solar Energy in 99664

Sorry, historical solar radition values for 99664 are currently unavailable, please check back later.

Solar Panels in 99664

Solar panels in 99664 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99664

The total length of the day in 99664 (Seward, AK) today (July 01, 2025) will be 18 hours and 52 minutes. [More]

Solar Energy in 99664 (Seward, AK)

Solar Energy Data for 99664

See the chart below to see how different types of solar panel installations compare in 99664.

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

Solar Energy Analysis for 99664

Sorry, it is not possible to complete our solar energy analysis for 99664 at this time.

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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 99664

Solar Radiation Data in 99664

See the chart below for monthly solar radiation levels in 99664.

Sorry, data is not currently available.

Solar Radiation Analysis for 99664

Sorry, it is not possible to complete our solar radiation analysis for 99664 at this time.

Historical solar radiation data for 99664 is not currently available.

Please check back later.

Solar Power Comparison: 99664 vs. the U.S.

Solar Power Levels in 99664

Sorry, solar radiation data for 99664 is not currently available.

Solar Power: 99664 vs. the U.S.

Below is a month-by-month comparison of how average 99664 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 99664

Sunrise / Sunset in 99664

Sunrise/Sunset for July 01, 2025 ^[2]
- Sunrise: 4:35 am
- Sunset: 11:27 pm
- Length of Day: 18:52

Best Months for Solar in 99664

Monthly data not currently available.

Solar Panel Installs in 99664

We do not have data on solar panel installations in ZIP Code 99664 at the current time.

Solar Power Output in 99664

The Power of Solar in 99664

Monthly AC solar system output averages for 99664. Month-by-month solar power, as ranked by AC output, in 99664. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99664

Sorry, it is not possible to complete our solar radiation analysis for 99664 at this time.

Historical solar radiation data for 99664 is not currently available.

Please check back later.

Weather Forecast for 99664 ^[5]

Tue Jul 1

57°F

Overcast Clouds
Min: 52°F
Max: 57°F

Light breeze: 7 mps SSE
Precip.: n/a
Humidity: 82%
Cloud cover: 96%

Wed Jul 2

57°F

Overcast Clouds
Min: 52°F
Max: 58°F

Light breeze: 6 mps S
Precip.: n/a
Humidity: 76%
Cloud cover: 95%

Thu Jul 3

60°F

Overcast Clouds
Min: 51°F
Max: 60°F

Light breeze: 7 mps S
Precip.: n/a
Humidity: 66%
Cloud cover: 89%

Fri Jul 4

62°F

Scattered Clouds
Min: 51°F
Max: 62°F

Light breeze: 6 mps S
Precip.: n/a
Humidity: 62%
Cloud cover: 29%

Sat Jul 5

57°F

Overcast Clouds
Min: 53°F
Max: 59°F

Light breeze: 6 mps SSE
Precip.: n/a
Humidity: 68%
Cloud cover: 100%

Sun Jul 6

54°F

Moderate Rain
Min: 51°F
Max: 54°F

Gentle Breeze: 9 mps NNE
Precip.: Chance of Rain
Humidity: 81%
Cloud cover: 100%

More about 99664

About 99664

The ZIP code 99664 is associated with the city of Seward in Kenai Peninsula County in Alaska.

99664 Solar Energy & Power

To learn more about solar energy and solar power in 99664, or for more solar-related resources for AK, check out the U.S. Energy Information Administration.