Solar Energy & Solar Power Resources

Solar Power in 91103 (Pasadena, CA)

Solar Energy in 91103

Sorry, historical solar radition values for 91103 are currently unavailable, please check back later.

Solar Panels in 91103

Solar panels in 91103 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91103

The total length of the day in 91103 (Pasadena, CA) today (January 14, 2025) will be 10 hours and 10 minutes. [More]

Solar Energy in 91103 (Pasadena, CA)

Solar Energy Data for 91103

See the chart below to see how different types of solar panel installations compare in 91103.

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

Solar Energy Analysis for 91103

Sorry, it is not possible to complete our solar energy analysis for 91103 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 91103

Solar Radiation Data in 91103

See the chart below for monthly solar radiation levels in 91103.

Sorry, data is not currently available.

Solar Radiation Analysis for 91103

Sorry, it is not possible to complete our solar radiation analysis for 91103 at this time.

Historical solar radiation data for 91103 is not currently available.

Please check back later.

Solar Power Comparison: 91103 vs. the U.S.

Solar Power Levels in 91103

Sorry, solar radiation data for 91103 is not currently available.

Solar Power: 91103 vs. the U.S.

Below is a month-by-month comparison of how average 91103 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 91103

Sunrise / Sunset in 91103

Sunrise/Sunset for January 14, 2025 ^[2]
- Sunrise: 6:56 am
- Sunset: 5:06 pm
- Length of Day: 10:10

Best Months for Solar in 91103

Monthly data not currently available.

Solar Panel Installs in 91103

We do not have data on solar panel installations in ZIP Code 91103 at the current time.

Solar Power Output in 91103

The Power of Solar in 91103

Monthly AC solar system output averages for 91103. Month-by-month solar power, as ranked by AC output, in 91103. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91103

Sorry, it is not possible to complete our solar radiation analysis for 91103 at this time.

Historical solar radiation data for 91103 is not currently available.

Please check back later.

Weather Forecast for 91103 ^[5]

Tue Jan 14

63°F

Sky Is Clear
Min: 46°F
Max: 65°F

Light breeze: 7 mps NNE
Precip.: n/a
Humidity: 10%
Cloud cover: 0%

Wed Jan 15

66°F

Sky Is Clear
Min: 49°F
Max: 67°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 11%
Cloud cover: 0%

Thu Jan 16

64°F

Few Clouds
Min: 48°F
Max: 64°F

Gentle Breeze: 8 mps SW
Precip.: n/a
Humidity: 9%
Cloud cover: 13%

Fri Jan 17

57°F

Sky Is Clear
Min: 45°F
Max: 58°F

Light breeze: 6 mps SSW
Precip.: n/a
Humidity: 36%
Cloud cover: 0%

Sat Jan 18

60°F

Sky Is Clear
Min: 45°F
Max: 60°F

Light breeze: 7 mps SSW
Precip.: n/a
Humidity: 43%
Cloud cover: 0%

Sun Jan 19

62°F

Sky Is Clear
Min: 48°F
Max: 62°F

Light breeze: 6 mps SSW
Precip.: n/a
Humidity: 38%
Cloud cover: 0%

More about 91103

About 91103

The ZIP code 91103 is associated with the city of Pasadena in Los Angeles County in California.

91103 Solar Energy & Power

To learn more about solar energy and solar power in 91103, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.