Solar Energy & Solar Power Resources

Solar Energy in Signal Hill, CA

Solar Energy in Signal Hill

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

Solar Panels in Signal Hill

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

Sunrise & Sunset in Signal Hill

The total length of the day in Signal Hill, CA today (September 18, 2025) will be 12 hours and 18 minutes. [More]

Solar Power in Signal Hill, CA

Solar Energy Data in Signal Hill, CA

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

Historical solar power output data for Signal Hill is not currently available.

Solar Energy Analysis for Signal Hill, CA

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

Solar Radiation Data in Signal Hill, CA

See the chart below for monthly solar radiation levels in Signal Hill.

Sorry, data is not currently available.

Solar Radiation Analysis for Signal Hill, CA

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

Historical solar radiation data for Signal Hill is not currently available.

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Solar Power Comparison: Signal Hill vs. the U.S.

Solar Power Levels in Signal Hill

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

Solar Power: Signal Hill vs. the U.S.

Below is a month-by-month comparison of how average Signal Hill 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 Signal Hill

Sunrise / Sunset in Signal Hill

Sunrise/Sunset for September 18, 2025 ^[2]
- Sunrise: 6:37 am
- Sunset: 6:55 pm
- Length of Day: 12:18

Best Months for Solar in Signal Hill

Monthly data not currently available.

Solar Panel Installs in Signal Hill

We do not currently have data on solar panel installations in the city of Signal Hill, CA at this current time.

Solar Power Output in Signal Hill

The Power of Solar in Signal Hill, CA

Monthly AC solar system output averages for Signal Hill (ca). Month-by-month solar power, as ranked by AC output, in Signal Hill. ^[2]

AC output data is not currently available.

Solar Output Analysis for Signal Hill, CA

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

Historical solar radiation data for Signal Hill is not currently available.

Please check back later.

Cost of Utilities in Signal Hill

Signal Hill Electricity Costs

Sorry, Signal Hill residential electricity prices are currently unavailable.

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Solar Power Poll: Signal Hill

Vote now: Given all of the data and analysis provided for Signal Hill, is solar power a good choice for residents of this city?

Signal Hill Natural Gas Costs

Sorry, California residential natural gas prices are currently unavailable.

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Weather Forecast for Signal Hill, CA ^[5]

Thu Sep 18

87°F

Moderate Rain
Min: 69°F
Max: 89°F

Moderate breeze: 13 mps NW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 100%

Fri Sep 19

75°F

Few Clouds
Min: 71°F
Max: 77°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 67%
Cloud cover: 24%

Sat Sep 20

77°F

Sky Is Clear
Min: 70°F
Max: 78°F

Gentle Breeze: 10 mps WSW
Precip.: n/a
Humidity: 61%
Cloud cover: 0%

Sun Sep 21

74°F

Scattered Clouds
Min: 69°F
Max: 75°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 63%
Cloud cover: 29%

Mon Sep 22

74°F

Light Rain
Min: 68°F
Max: 77°F

Moderate breeze: 16 mps WSW
Precip.: Chance of Rain
Humidity: 61%
Cloud cover: 1%

Tue Sep 23

72°F

Light Rain
Min: 68°F
Max: 75°F

Gentle Breeze: 11 mps SW
Precip.: Chance of Rain
Humidity: 69%
Cloud cover: 74%

More about Signal Hill

About Signal Hill

The city of Signal Hill, CA in Los Angeles County has an approximate population of 11,016. ^[6]

Signal Hill, CA Solar Energy

To learn more about solar energy and solar power Signal Hill, CA, or for more solar-related resources for Signal Hill, visit the U.S. Energy Information Administration.