Solar Energy & Solar Power Resources

Solar Power in 91023 (Mount Wilson, CA)

Solar Energy in 91023

Sorry, historical solar radition values for 91023 are currently unavailable, please check back later.

Solar Panels in 91023

Solar panels in 91023 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91023

The total length of the day in 91023 (Mount Wilson, CA) today (November 11, 2025) will be 10 hours and 32 minutes. [More]

Solar Energy in 91023 (Mount Wilson, CA)

Solar Energy Data for 91023

See the chart below to see how different types of solar panel installations compare in 91023.

Historical solar power output data for Mount Wilson is not currently available.

Solar Energy Analysis for 91023

Sorry, it is not possible to complete our solar energy analysis for 91023 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 91023

Solar Radiation Data in 91023

See the chart below for monthly solar radiation levels in 91023.

Sorry, data is not currently available.

Solar Radiation Analysis for 91023

Sorry, it is not possible to complete our solar radiation analysis for 91023 at this time.

Historical solar radiation data for 91023 is not currently available.

Please check back later.

Solar Power Comparison: 91023 vs. the U.S.

Solar Power Levels in 91023

Sorry, solar radiation data for 91023 is not currently available.

Solar Power: 91023 vs. the U.S.

Below is a month-by-month comparison of how average 91023 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 California is not currently available.

Solar Data & Statistics for 91023

Sunrise / Sunset in 91023

Sunrise/Sunset for November 11, 2025 ^[2]
- Sunrise: 6:20 am
- Sunset: 4:52 pm
- Length of Day: 10:32

Best Months for Solar in 91023

Monthly data not currently available.

Solar Panel Installs in 91023

We do not have data on solar panel installations in ZIP Code 91023 at the current time.

Solar Power Output in 91023

The Power of Solar in 91023

Monthly AC solar system output averages for 91023. Month-by-month solar power, as ranked by AC output, in 91023. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91023

Sorry, it is not possible to complete our solar radiation analysis for 91023 at this time.

Historical solar radiation data for 91023 is not currently available.

Please check back later.

Weather Forecast for 91023 ^[5]

Tue Nov 11

69°F

Overcast Clouds
Min: 43°F
Max: 70°F

Light breeze: 6 mps SSW
Precip.: n/a
Humidity: 20%
Cloud cover: 100%

Wed Nov 12

61°F

Overcast Clouds
Min: 48°F
Max: 62°F

Light breeze: 6 mps S
Precip.: n/a
Humidity: 37%
Cloud cover: 100%

Thu Nov 13

58°F

Sky Is Clear
Min: 45°F
Max: 58°F

Light breeze: 7 mps S
Precip.: n/a
Humidity: 37%
Cloud cover: 5%

Fri Nov 14

45°F

Heavy Intensity Rain
Min: 41°F
Max: 46°F

Gentle Breeze: 12 mps ESE
Precip.: Chance of Rain
Humidity: 94%
Cloud cover: 100%

Sat Nov 15

41°F

Moderate Rain
Min: 37°F
Max: 41°F

Light breeze: 5 mps WSW
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 100%

Sun Nov 16

41°F

Light Rain
Min: 37°F
Max: 42°F

Light breeze: 7 mps SE
Precip.: Chance of Rain
Humidity: 91%
Cloud cover: 96%

More about 91023

About 91023

The ZIP code 91023 is associated with the city of Mount Wilson in Los Angeles County in California.

91023 Solar Energy & Power

To learn more about solar energy and solar power in 91023, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.