Solar Energy & Solar Power Resources

Solar Power in 99004 (Cheney, WA)

Solar Energy in 99004

Sorry, historical solar radition values for 99004 are currently unavailable, please check back later.

Solar Panels in 99004

Solar panels in 99004 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99004

The total length of the day in 99004 (Cheney, WA) today (January 21, 2026) will be 9 hours and 10 minutes. [More]

Solar Energy in 99004 (Cheney, WA)

Solar Energy Data for 99004

See the chart below to see how different types of solar panel installations compare in 99004.

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

Solar Energy Analysis for 99004

Sorry, it is not possible to complete our solar energy analysis for 99004 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 99004

Solar Radiation Data in 99004

See the chart below for monthly solar radiation levels in 99004.

Sorry, data is not currently available.

Solar Radiation Analysis for 99004

Sorry, it is not possible to complete our solar radiation analysis for 99004 at this time.

Historical solar radiation data for 99004 is not currently available.

Please check back later.

Solar Power Comparison: 99004 vs. the U.S.

Solar Power Levels in 99004

Sorry, solar radiation data for 99004 is not currently available.

Solar Power: 99004 vs. the U.S.

Below is a month-by-month comparison of how average 99004 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 99004

Sunrise / Sunset in 99004

Sunrise/Sunset for January 21, 2026 ^[2]
- Sunrise: 7:26 am
- Sunset: 4:36 pm
- Length of Day: 9:10

Best Months for Solar in 99004

Monthly data not currently available.

Solar Panel Installs in 99004

We do not have data on solar panel installations in ZIP Code 99004 at the current time.

Solar Power Output in 99004

The Power of Solar in 99004

Monthly AC solar system output averages for 99004. Month-by-month solar power, as ranked by AC output, in 99004. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99004

Sorry, it is not possible to complete our solar radiation analysis for 99004 at this time.

Historical solar radiation data for 99004 is not currently available.

Please check back later.

Weather Forecast for 99004 ^[5]

Wed Jan 21

28°F

Overcast Clouds
Min: 26°F
Max: 29°F

Light breeze: 6 mps NE
Precip.: n/a
Humidity: 74%
Cloud cover: 100%

Thu Jan 22

33°F

Overcast Clouds
Min: 26°F
Max: 34°F

Light breeze: 5 mps NNE
Precip.: n/a
Humidity: 52%
Cloud cover: 94%

Fri Jan 23

32°F

Sky Is Clear
Min: 23°F
Max: 33°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 54%
Cloud cover: 2%

Sat Jan 24

31°F

Sky Is Clear
Min: 22°F
Max: 32°F

Light breeze: 5 mps NNE
Precip.: n/a
Humidity: 46%
Cloud cover: 0%

Sun Jan 25

35°F

Few Clouds
Min: 23°F
Max: 35°F

Light breeze: 4 mps NE
Precip.: n/a
Humidity: 47%
Cloud cover: 19%

Mon Jan 26

36°F

Sky Is Clear
Min: 24°F
Max: 36°F

Light breeze: 5 mps SSW
Precip.: n/a
Humidity: 45%
Cloud cover: 5%

More about 99004

About 99004

The ZIP code 99004 is associated with the city of Cheney in Spokane County in Washington.

99004 Solar Energy & Power

To learn more about solar energy and solar power in 99004, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.