Solar Energy & Solar Power Resources

Solar Power in 94121 (San Francisco, CA)

Solar Energy in 94121

Sorry, historical solar radition values for 94121 are currently unavailable, please check back later.

Solar Panels in 94121

Solar panels in 94121 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 94121

The total length of the day in 94121 (San Francisco, CA) today (January 07, 2025) will be 9 hours and 44 minutes. [More]

Solar Energy in 94121 (San Francisco, CA)

Solar Energy Data for 94121

See the chart below to see how different types of solar panel installations compare in 94121.

Historical solar power output data for San Francisco is not currently available.

Solar Energy Analysis for 94121

Sorry, it is not possible to complete our solar energy analysis for 94121 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 94121

Solar Radiation Data in 94121

See the chart below for monthly solar radiation levels in 94121.

Sorry, data is not currently available.

Solar Radiation Analysis for 94121

Sorry, it is not possible to complete our solar radiation analysis for 94121 at this time.

Historical solar radiation data for 94121 is not currently available.

Please check back later.

Solar Power Comparison: 94121 vs. the U.S.

Solar Power Levels in 94121

Sorry, solar radiation data for 94121 is not currently available.

Solar Power: 94121 vs. the U.S.

Below is a month-by-month comparison of how average 94121 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 94121

Sunrise / Sunset in 94121

Sunrise/Sunset for January 07, 2025 ^[2]
- Sunrise: 7:24 am
- Sunset: 5:08 pm
- Length of Day: 9:44

Best Months for Solar in 94121

Monthly data not currently available.

Solar Panel Installs in 94121

We do not have data on solar panel installations in ZIP Code 94121 at the current time.

Solar Power Output in 94121

The Power of Solar in 94121

Monthly AC solar system output averages for 94121. Month-by-month solar power, as ranked by AC output, in 94121. ^[2]

AC output data is not currently available.

Solar Output Analysis for 94121

Sorry, it is not possible to complete our solar radiation analysis for 94121 at this time.

Historical solar radiation data for 94121 is not currently available.

Please check back later.

Weather Forecast for 94121 ^[5]

Tue Jan 7

58°F

Sky Is Clear
Min: 55°F
Max: 62°F

Fresh Breeze: 23 mps NNE
Precip.: n/a
Humidity: 44%
Cloud cover: 3%

Wed Jan 8

55°F

Sky Is Clear
Min: 52°F
Max: 58°F

Gentle Breeze: 10 mps NE
Precip.: n/a
Humidity: 46%
Cloud cover: 9%

Thu Jan 9

55°F

Sky Is Clear
Min: 52°F
Max: 58°F

Gentle Breeze: 10 mps NNE
Precip.: n/a
Humidity: 56%
Cloud cover: 0%

Fri Jan 10

55°F

Sky Is Clear
Min: 52°F
Max: 58°F

Gentle Breeze: 9 mps NE
Precip.: n/a
Humidity: 59%
Cloud cover: 0%

Sat Jan 11

56°F

Sky Is Clear
Min: 51°F
Max: 56°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 63%
Cloud cover: 0%

Sun Jan 12

55°F

Sky Is Clear
Min: 51°F
Max: 56°F

Gentle Breeze: 9 mps ENE
Precip.: n/a
Humidity: 45%
Cloud cover: 1%

More about 94121

About 94121

The ZIP code 94121 is associated with the city of San Francisco in City and County of San Francisco County in California.

94121 Solar Energy & Power

To learn more about solar energy and solar power in 94121, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.