Solar Energy & Solar Power Resources

Solar Power in 99205 (Spokane, WA)

Solar Energy in 99205

Sorry, historical solar radition values for 99205 are currently unavailable, please check back later.

Solar Panels in 99205

Solar panels in 99205 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99205

The total length of the day in 99205 (Spokane, WA) today (September 26, 2026) will be 12 hours and 0 minutes. [More]

Solar Energy in 99205 (Spokane, WA)

Solar Energy Data for 99205

See the chart below to see how different types of solar panel installations compare in 99205.

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

Solar Energy Analysis for 99205

Sorry, it is not possible to complete our solar energy analysis for 99205 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 99205

Solar Radiation Data in 99205

See the chart below for monthly solar radiation levels in 99205.

Sorry, data is not currently available.

Solar Radiation Analysis for 99205

Sorry, it is not possible to complete our solar radiation analysis for 99205 at this time.

Historical solar radiation data for 99205 is not currently available.

Please check back later.

Solar Power Comparison: 99205 vs. the U.S.

Solar Power Levels in 99205

Sorry, solar radiation data for 99205 is not currently available.

Solar Power: 99205 vs. the U.S.

Below is a month-by-month comparison of how average 99205 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 99205

Sunrise / Sunset in 99205

Sunrise/Sunset for September 26, 2026 ^[2]
- Sunrise: 6:40 am
- Sunset: 6:40 pm
- Length of Day: 12:0

Best Months for Solar in 99205

Monthly data not currently available.

Solar Panel Installs in 99205

We do not have data on solar panel installations in ZIP Code 99205 at the current time.

Solar Power Output in 99205

The Power of Solar in 99205

Monthly AC solar system output averages for 99205. Month-by-month solar power, as ranked by AC output, in 99205. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99205

Sorry, it is not possible to complete our solar radiation analysis for 99205 at this time.

Historical solar radiation data for 99205 is not currently available.

Please check back later.

Weather Forecast for 99205 ^[5]

Sat Sep 26

54°F

Sky Is Clear
Min: 42°F
Max: 57°F

Gentle Breeze: 12 mps SW
Precip.: n/a
Humidity: 55%
Cloud cover: 4%

Sun Sep 27

57°F

Overcast Clouds
Min: 39°F
Max: 62°F

Calm: 3 mps NNE
Precip.: n/a
Humidity: 42%
Cloud cover: 100%

Mon Sep 28

64°F

Few Clouds
Min: 38°F
Max: 69°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 30%
Cloud cover: 20%

Tue Sep 29

64°F

Broken Clouds
Min: 48°F
Max: 71°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 33%
Cloud cover: 51%

Wed Sep 30

64°F

Light Rain
Min: 53°F
Max: 72°F

Gentle Breeze: 11 mps SSW
Precip.: Chance of Rain
Humidity: 61%
Cloud cover: 49%

Thu Oct 1

63°F

Sky Is Clear
Min: 48°F
Max: 71°F

Light breeze: 4 mps ENE
Precip.: n/a
Humidity: 57%
Cloud cover: 0%

More about 99205

About 99205

The ZIP code 99205 is associated with the city of Spokane in Spokane County in Washington.

99205 Solar Energy & Power

To learn more about solar energy and solar power in 99205, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.