Solar Energy & Solar Power Resources

Solar Power in 94104 (San Francisco, CA)

Solar Energy in 94104

Sorry, historical solar radition values for 94104 are currently unavailable, please check back later.

Solar Panels in 94104

Solar panels in 94104 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 94104

The total length of the day in 94104 (San Francisco, CA) today (January 09, 2026) will be 9 hours and 47 minutes. [More]

Solar Energy in 94104 (San Francisco, CA)

Solar Energy Data for 94104

See the chart below to see how different types of solar panel installations compare in 94104.

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

Solar Energy Analysis for 94104

Sorry, it is not possible to complete our solar energy analysis for 94104 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 94104

Solar Radiation Data in 94104

See the chart below for monthly solar radiation levels in 94104.

Sorry, data is not currently available.

Solar Radiation Analysis for 94104

Sorry, it is not possible to complete our solar radiation analysis for 94104 at this time.

Historical solar radiation data for 94104 is not currently available.

Please check back later.

Solar Power Comparison: 94104 vs. the U.S.

Solar Power Levels in 94104

Sorry, solar radiation data for 94104 is not currently available.

Solar Power: 94104 vs. the U.S.

Below is a month-by-month comparison of how average 94104 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 94104

Sunrise / Sunset in 94104

Sunrise/Sunset for January 09, 2026 ^[2]
- Sunrise: 7:23 am
- Sunset: 5:10 pm
- Length of Day: 9:47

Best Months for Solar in 94104

Monthly data not currently available.

Solar Panel Installs in 94104

We do not have data on solar panel installations in ZIP Code 94104 at the current time.

Solar Power Output in 94104

The Power of Solar in 94104

Monthly AC solar system output averages for 94104. Month-by-month solar power, as ranked by AC output, in 94104. ^[2]

AC output data is not currently available.

Solar Output Analysis for 94104

Sorry, it is not possible to complete our solar radiation analysis for 94104 at this time.

Historical solar radiation data for 94104 is not currently available.

Please check back later.

Weather Forecast for 94104 ^[5]

Thu Jan 8

52°F

Sky Is Clear
Min: 48°F
Max: 56°F

Fresh Breeze: 18 mps NW
Precip.: n/a
Humidity: 53%
Cloud cover: 0%

Fri Jan 9

52°F

Few Clouds
Min: 46°F
Max: 55°F

Gentle Breeze: 9 mps ENE
Precip.: n/a
Humidity: 42%
Cloud cover: 21%

Sat Jan 10

52°F

Overcast Clouds
Min: 46°F
Max: 56°F

Gentle Breeze: 9 mps NE
Precip.: n/a
Humidity: 52%
Cloud cover: 99%

Sun Jan 11

55°F

Broken Clouds
Min: 48°F
Max: 58°F

Gentle Breeze: 8 mps NNE
Precip.: n/a
Humidity: 50%
Cloud cover: 61%

Mon Jan 12

58°F

Sky Is Clear
Min: 50°F
Max: 59°F

Gentle Breeze: 9 mps NNE
Precip.: n/a
Humidity: 53%
Cloud cover: 0%

Tue Jan 13

59°F

Sky Is Clear
Min: 50°F
Max: 61°F

Gentle Breeze: 8 mps NE
Precip.: n/a
Humidity: 56%
Cloud cover: 0%

More about 94104

About 94104

The ZIP code 94104 is associated with the city of San Francisco in City and County of San Francisco County in California.

94104 Solar Energy & Power

To learn more about solar energy and solar power in 94104, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.