Solar Energy & Solar Power Resources

Solar Power in 91184 (Pasadena, CA)

Solar Energy in 91184

Sorry, historical solar radition values for 91184 are currently unavailable, please check back later.

Solar Panels in 91184

Solar panels in 91184 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91184

The total length of the day in 91184 (Pasadena, CA) today (September 21, 2026) will be 12 hours and 14 minutes. [More]

Solar Energy in 91184 (Pasadena, CA)

Solar Energy Data for 91184

See the chart below to see how different types of solar panel installations compare in 91184.

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

Solar Energy Analysis for 91184

Sorry, it is not possible to complete our solar energy analysis for 91184 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 91184

Solar Radiation Data in 91184

See the chart below for monthly solar radiation levels in 91184.

Sorry, data is not currently available.

Solar Radiation Analysis for 91184

Sorry, it is not possible to complete our solar radiation analysis for 91184 at this time.

Historical solar radiation data for 91184 is not currently available.

Please check back later.

Solar Power Comparison: 91184 vs. the U.S.

Solar Power Levels in 91184

Sorry, solar radiation data for 91184 is not currently available.

Solar Power: 91184 vs. the U.S.

Below is a month-by-month comparison of how average 91184 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 91184

Sunrise / Sunset in 91184

Sunrise/Sunset for September 21, 2026 ^[2]
- Sunrise: 6:38 am
- Sunset: 6:52 pm
- Length of Day: 12:14

Best Months for Solar in 91184

Monthly data not currently available.

Solar Panel Installs in 91184

We do not have data on solar panel installations in ZIP Code 91184 at the current time.

Solar Power Output in 91184

The Power of Solar in 91184

Monthly AC solar system output averages for 91184. Month-by-month solar power, as ranked by AC output, in 91184. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91184

Sorry, it is not possible to complete our solar radiation analysis for 91184 at this time.

Historical solar radiation data for 91184 is not currently available.

Please check back later.

Weather Forecast for 91184 ^[5]

Mon Sep 21

75°F

Broken Clouds
Min: 65°F
Max: 77°F

Light breeze: 6 mps SSW
Precip.: n/a
Humidity: 63%
Cloud cover: 57%

Tue Sep 22

78°F

Sky Is Clear
Min: 62°F
Max: 80°F

Light breeze: 6 mps SSW
Precip.: n/a
Humidity: 50%
Cloud cover: 0%

Wed Sep 23

86°F

Sky Is Clear
Min: 65°F
Max: 91°F

Light breeze: 5 mps SSW
Precip.: n/a
Humidity: 28%
Cloud cover: 0%

Thu Sep 24

83°F

Sky Is Clear
Min: 68°F
Max: 87°F

Light breeze: 5 mps SSW
Precip.: n/a
Humidity: 36%
Cloud cover: 0%

Fri Sep 25

81°F

Sky Is Clear
Min: 68°F
Max: 86°F

Light breeze: 5 mps SSW
Precip.: n/a
Humidity: 41%
Cloud cover: 0%

Sat Sep 26

83°F

Broken Clouds
Min: 69°F
Max: 87°F

Gentle Breeze: 9 mps S
Precip.: n/a
Humidity: 19%
Cloud cover: 80%

More about 91184

About 91184

The ZIP code 91184 is associated with the city of Pasadena in Los Angeles County in California.

91184 Solar Energy & Power

To learn more about solar energy and solar power in 91184, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.