Solar Energy & Solar Power Resources

Solar Power in 94549 (Lafayette, CA)

Solar Energy in 94549

Sorry, historical solar radition values for 94549 are currently unavailable, please check back later.

Solar Panels in 94549

Solar panels in 94549 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 94549

The total length of the day in 94549 (Lafayette, CA) today (September 21, 2026) will be 12 hours and 14 minutes. [More]

Solar Energy in 94549 (Lafayette, CA)

Solar Energy Data for 94549

See the chart below to see how different types of solar panel installations compare in 94549.

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

Solar Energy Analysis for 94549

Sorry, it is not possible to complete our solar energy analysis for 94549 at this time.

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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 94549

Solar Radiation Data in 94549

See the chart below for monthly solar radiation levels in 94549.

Sorry, data is not currently available.

Solar Radiation Analysis for 94549

Sorry, it is not possible to complete our solar radiation analysis for 94549 at this time.

Historical solar radiation data for 94549 is not currently available.

Please check back later.

Solar Power Comparison: 94549 vs. the U.S.

Solar Power Levels in 94549

Sorry, solar radiation data for 94549 is not currently available.

Solar Power: 94549 vs. the U.S.

Below is a month-by-month comparison of how average 94549 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 94549

Sunrise / Sunset in 94549

Sunrise/Sunset for September 21, 2026 ^[2]
- Sunrise: 6:54 am
- Sunset: 7:08 pm
- Length of Day: 12:14

Best Months for Solar in 94549

Monthly data not currently available.

Solar Panel Installs in 94549

We do not have data on solar panel installations in ZIP Code 94549 at the current time.

Solar Power Output in 94549

The Power of Solar in 94549

Monthly AC solar system output averages for 94549. Month-by-month solar power, as ranked by AC output, in 94549. ^[2]

AC output data is not currently available.

Solar Output Analysis for 94549

Sorry, it is not possible to complete our solar radiation analysis for 94549 at this time.

Historical solar radiation data for 94549 is not currently available.

Please check back later.

Weather Forecast for 94549 ^[5]

Mon Sep 21

63°F

Scattered Clouds
Min: 53°F
Max: 64°F

Gentle Breeze: 12 mps SW
Precip.: n/a
Humidity: 60%
Cloud cover: 47%

Tue Sep 22

65°F

Few Clouds
Min: 52°F
Max: 67°F

Gentle Breeze: 10 mps SSW
Precip.: n/a
Humidity: 54%
Cloud cover: 23%

Wed Sep 23

84°F

Sky Is Clear
Min: 53°F
Max: 88°F

Light breeze: 7 mps SSW
Precip.: n/a
Humidity: 33%
Cloud cover: 1%

Thu Sep 24

85°F

Broken Clouds
Min: 57°F
Max: 85°F

Gentle Breeze: 8 mps SSW
Precip.: n/a
Humidity: 25%
Cloud cover: 76%

Fri Sep 25

77°F

Sky Is Clear
Min: 58°F
Max: 77°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 45%
Cloud cover: 0%

Sat Sep 26

66°F

Broken Clouds
Min: 54°F
Max: 72°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 57%
Cloud cover: 54%

More about 94549

About 94549

The ZIP code 94549 is associated with the city of Lafayette in Contra Costa County in California.

94549 Solar Energy & Power

To learn more about solar energy and solar power in 94549, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.