Solar Energy & Solar Power Resources

Solar Power in 98023 (Federal Way, WA)

Solar Energy in 98023

Sorry, historical solar radition values for 98023 are currently unavailable, please check back later.

Solar Panels in 98023

Solar panels in 98023 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 98023

The total length of the day in 98023 (Federal Way, WA) today (August 01, 2026) will be 14 hours and 58 minutes. [More]

Solar Energy in 98023 (Federal Way, WA)

Solar Energy Data for 98023

See the chart below to see how different types of solar panel installations compare in 98023.

Historical solar power output data for Federal Way is not currently available.

Solar Energy Analysis for 98023

Sorry, it is not possible to complete our solar energy analysis for 98023 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 98023

Solar Radiation Data in 98023

See the chart below for monthly solar radiation levels in 98023.

Sorry, data is not currently available.

Solar Radiation Analysis for 98023

Sorry, it is not possible to complete our solar radiation analysis for 98023 at this time.

Historical solar radiation data for 98023 is not currently available.

Please check back later.

Solar Power Comparison: 98023 vs. the U.S.

Solar Power Levels in 98023

Sorry, solar radiation data for 98023 is not currently available.

Solar Power: 98023 vs. the U.S.

Below is a month-by-month comparison of how average 98023 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 Washington is not currently available.

Solar Data & Statistics for 98023

Sunrise / Sunset in 98023

Sunrise/Sunset for August 01, 2026 ^[2]
- Sunrise: 5:46 am
- Sunset: 8:44 pm
- Length of Day: 14:58

Best Months for Solar in 98023

Monthly data not currently available.

Solar Panel Installs in 98023

We do not have data on solar panel installations in ZIP Code 98023 at the current time.

Solar Power Output in 98023

The Power of Solar in 98023

Monthly AC solar system output averages for 98023. Month-by-month solar power, as ranked by AC output, in 98023. ^[2]

AC output data is not currently available.

Solar Output Analysis for 98023

Sorry, it is not possible to complete our solar radiation analysis for 98023 at this time.

Historical solar radiation data for 98023 is not currently available.

Please check back later.

Weather Forecast for 98023 ^[5]

Sat Aug 1

63°F

Light Rain
Min: 59°F
Max: 72°F

Moderate breeze: 14 mps WSW
Precip.: Chance of Rain
Humidity: 61%
Cloud cover: 91%

Sun Aug 2

69°F

Scattered Clouds
Min: 54°F
Max: 70°F

Gentle Breeze: 10 mps NNW
Precip.: n/a
Humidity: 36%
Cloud cover: 34%

Mon Aug 3

77°F

Sky Is Clear
Min: 50°F
Max: 80°F

Gentle Breeze: 9 mps N
Precip.: n/a
Humidity: 31%
Cloud cover: 0%

Tue Aug 4

89°F

Sky Is Clear
Min: 54°F
Max: 90°F

Gentle Breeze: 9 mps N
Precip.: n/a
Humidity: 24%
Cloud cover: 0%

Wed Aug 5

92°F

Sky Is Clear
Min: 57°F
Max: 93°F

Gentle Breeze: 9 mps N
Precip.: n/a
Humidity: 19%
Cloud cover: 0%

Thu Aug 6

94°F

Sky Is Clear
Min: 59°F
Max: 95°F

Light breeze: 6 mps N
Precip.: n/a
Humidity: 20%
Cloud cover: 0%

More about 98023

About 98023

The ZIP code 98023 is associated with the city of Federal Way in King County in Washington.

98023 Solar Energy & Power

To learn more about solar energy and solar power in 98023, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.