Solar Energy & Solar Power Resources

Solar Power in 91761 (Ontario, CA)

Solar Energy in 91761

Sorry, historical solar radition values for 91761 are currently unavailable, please check back later.

Solar Panels in 91761

Solar panels in 91761 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 91761

The total length of the day in 91761 (Ontario, CA) today (September 11, 2026) will be 12 hours and 34 minutes. [More]

Solar Energy in 91761 (Ontario, CA)

Solar Energy Data for 91761

See the chart below to see how different types of solar panel installations compare in 91761.

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

Solar Energy Analysis for 91761

Sorry, it is not possible to complete our solar energy analysis for 91761 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 91761

Solar Radiation Data in 91761

See the chart below for monthly solar radiation levels in 91761.

Sorry, data is not currently available.

Solar Radiation Analysis for 91761

Sorry, it is not possible to complete our solar radiation analysis for 91761 at this time.

Historical solar radiation data for 91761 is not currently available.

Please check back later.

Solar Power Comparison: 91761 vs. the U.S.

Solar Power Levels in 91761

Sorry, solar radiation data for 91761 is not currently available.

Solar Power: 91761 vs. the U.S.

Below is a month-by-month comparison of how average 91761 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 91761

Sunrise / Sunset in 91761

Sunrise/Sunset for September 11, 2026 ^[2]
- Sunrise: 6:29 am
- Sunset: 7:03 pm
- Length of Day: 12:34

Best Months for Solar in 91761

Monthly data not currently available.

Solar Panel Installs in 91761

We do not have data on solar panel installations in ZIP Code 91761 at the current time.

Solar Power Output in 91761

The Power of Solar in 91761

Monthly AC solar system output averages for 91761. Month-by-month solar power, as ranked by AC output, in 91761. ^[2]

AC output data is not currently available.

Solar Output Analysis for 91761

Sorry, it is not possible to complete our solar radiation analysis for 91761 at this time.

Historical solar radiation data for 91761 is not currently available.

Please check back later.

Weather Forecast for 91761 ^[5]

Fri Sep 11

91°F

Few Clouds
Min: 73°F
Max: 91°F

Gentle Breeze: 12 mps WSW
Precip.: n/a
Humidity: 46%
Cloud cover: 17%

Sat Sep 12

91°F

Sky Is Clear
Min: 70°F
Max: 92°F

Moderate breeze: 12 mps WSW
Precip.: n/a
Humidity: 41%
Cloud cover: 0%

Sun Sep 13

87°F

Sky Is Clear
Min: 66°F
Max: 91°F

Gentle Breeze: 12 mps WSW
Precip.: n/a
Humidity: 35%
Cloud cover: 0%

Mon Sep 14

86°F

Sky Is Clear
Min: 74°F
Max: 91°F

Gentle Breeze: 12 mps WSW
Precip.: n/a
Humidity: 33%
Cloud cover: 0%

Tue Sep 15

80°F

Sky Is Clear
Min: 71°F
Max: 87°F

Moderate breeze: 12 mps WSW
Precip.: n/a
Humidity: 47%
Cloud cover: 0%

Wed Sep 16

80°F

Sky Is Clear
Min: 71°F
Max: 87°F

Gentle Breeze: 12 mps WSW
Precip.: n/a
Humidity: 39%
Cloud cover: 0%

More about 91761

About 91761

The ZIP code 91761 is associated with the city of Ontario in San Bernardino County in California.

91761 Solar Energy & Power

To learn more about solar energy and solar power in 91761, or for more solar-related resources for CA, check out the U.S. Energy Information Administration.