Solar Energy & Solar Power Resources

Solar Power in 99202 (Spokane, WA)

Solar Energy in 99202

Sorry, historical solar radition values for 99202 are currently unavailable, please check back later.

Solar Panels in 99202

Solar panels in 99202 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 99202

The total length of the day in 99202 (Spokane, WA) today (December 15, 2025) will be 8 hours and 31 minutes. [More]

Solar Energy in 99202 (Spokane, WA)

Solar Energy Data for 99202

See the chart below to see how different types of solar panel installations compare in 99202.

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

Solar Energy Analysis for 99202

Sorry, it is not possible to complete our solar energy analysis for 99202 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 99202

Solar Radiation Data in 99202

See the chart below for monthly solar radiation levels in 99202.

Sorry, data is not currently available.

Solar Radiation Analysis for 99202

Sorry, it is not possible to complete our solar radiation analysis for 99202 at this time.

Historical solar radiation data for 99202 is not currently available.

Please check back later.

Solar Power Comparison: 99202 vs. the U.S.

Solar Power Levels in 99202

Sorry, solar radiation data for 99202 is not currently available.

Solar Power: 99202 vs. the U.S.

Below is a month-by-month comparison of how average 99202 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 99202

Sunrise / Sunset in 99202

Sunrise/Sunset for December 15, 2025 ^[2]
- Sunrise: 7:29 am
- Sunset: 4:00 pm
- Length of Day: 8:31

Best Months for Solar in 99202

Monthly data not currently available.

Solar Panel Installs in 99202

We do not have data on solar panel installations in ZIP Code 99202 at the current time.

Solar Power Output in 99202

The Power of Solar in 99202

Monthly AC solar system output averages for 99202. Month-by-month solar power, as ranked by AC output, in 99202. ^[2]

AC output data is not currently available.

Solar Output Analysis for 99202

Sorry, it is not possible to complete our solar radiation analysis for 99202 at this time.

Historical solar radiation data for 99202 is not currently available.

Please check back later.

Weather Forecast for 99202 ^[5]

Mon Dec 15

45°F

Moderate Rain
Min: 40°F
Max: 56°F

Fresh Breeze: 24 mps SW
Precip.: Chance of Rain
Humidity: 77%
Cloud cover: 100%

Tue Dec 16

46°F

Light Rain
Min: 41°F
Max: 51°F

Fresh Breeze: 18 mps SSW
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 100%

Wed Dec 17

41°F

Moderate Rain
Min: 37°F
Max: 53°F

Strong breeze: 31 mps WSW
Precip.: Chance of Rain
Humidity: 52%
Cloud cover: 0%

Thu Dec 18

38°F

Rain And Snow
Min: 36°F
Max: 44°F

Fresh Breeze: 19 mps SW
Precip.: Chance of Rain
Humidity: 75%
Cloud cover: 100%

Fri Dec 19

43°F

Light Rain
Min: 34°F
Max: 46°F

Fresh Breeze: 19 mps SW
Precip.: Chance of Rain
Humidity: 46%
Cloud cover: 99%

Sat Dec 20

35°F

Scattered Clouds
Min: 31°F
Max: 39°F

Gentle Breeze: 11 mps SSW
Precip.: n/a
Humidity: 74%
Cloud cover: 45%

More about 99202

About 99202

The ZIP code 99202 is associated with the city of Spokane in Spokane County in Washington.

99202 Solar Energy & Power

To learn more about solar energy and solar power in 99202, or for more solar-related resources for WA, check out the U.S. Energy Information Administration.