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Solar Energy in Gilroy, CA

Solar Energy in Gilroy

The month of August has the highest historical solar radition values in Gilroy with an average of 7.15 kWh/m2/day. [More]

Solar Panels in Gilroy

Solar panels in Gilroy that always track the sun throughout the day will produce the maximum solar energy output. [More]

Sunrise & Sunset in Gilroy

The total length of the day in Gilroy, CA today (January 24, 2022) will be 10 hours and 8 minutes. [More]

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Gilroy, CA Solar Energy

Solar Power in Gilroy, CA

Solar Energy Data in Gilroy, CA

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

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Gilroy, CA

Solar Radiation Data in Gilroy

Based on historical Gilroy, CA data, solar panels that always track the sun throughout the day will produce the maximum solar energy output in Gilroy. [1]

Gilroy has an average monthly Global Horizontal Irradiance (GHI) of 5.13 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 14% less than the average monthly Direct Normal Irradiance (DNI) of 5.98 kWh/m2/day. [1]

Solar installations in Gilroy that are always titled at the latitude of Gilroy (Average Tilt at Latitude or ATaL) average 5.9 kWh/m2/day, or about 15% greater than the average monthly GHI of 5.13 kWh/m2/day and approximately 1% less than the average monthly DNI of 5.98 kWh/m2/day. [1]

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 Gilroy

Solar Radiation Data in Gilroy, CA

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

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Gilroy, CA

Solar Radiation Data in Gilroy

Gilroy, CA has a average annual solar radiation value of 5.91 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in Gilroy is August with an average of 7.15 kWh/m2/day, followed by September at 7.13 kWh/m2/day and July at 7.08 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in Gilroy (California) are January with an average of 4.15 kWh/m2/day, followed by December with an average of 4.26 kWh/m2/day and February at 4.51 kWh/m2/day. [1]

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

Solar Power Levels in Gilroy

The average monthly solar radiation level in Gilroy, CA, of 5.91 kilowatt hours per square meter per day (kWh/m2/day) is approximately 58% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 10% less than the average level of 6.6 kWh/m2/day in a city with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).

Solar Power: Gilroy vs. the U.S.

Below is a month-by-month comparison of how average Gilroy solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).

Solar Data & Statistics for Gilroy

Sunrise / Sunset in Gilroy

  • Sunrise/Sunset for January 24, 2022 [2]
    • Sunrise: 7:14 am
    • Sunset: 5:22 pm
    • Length of Day: 10:8
Solar Energy Statistics for Gilroy

Best Months for Solar in Gilroy

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (7.15 kWh/m2/day)
    • ATaL: July (7.2 kWh/m2/day)
    • DNI: July (8.23 kWh/m2/day)
    • GHI: June (7.88 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Gilroy

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

Solar Power Output in Gilroy

The Power of Solar in Gilroy, CA

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

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Gilroy, CA

Solar Radiation Data in Gilroy

Gilroy (CA) has a average annual solar AC output value of 6417.21 kilowatt hours (AC). [2]

The month with the highest historical solar power output in Gilroy is August with an average of 638.87 kWhac, followed by July at 638.43 kWhac and September at 620.46 kWhac. [2]

The three months that historically average the lowest average solar output levels in Gilroy (California) are February with an average of 388.82 kWhac, followed by January with an average of 401 kWhac and December at 406.51 kWhac. [2]

Cost of Utilities in Gilroy

Gilroy Electricity Costs

Electricity prices (residential) in Gilroy averaged 22.00 cents per kilowatthour (¢/kWh) in October 2021, which was about 56% more than the overall U.S. average residential electricity rate of 14.11¢/kWh in October. [3]

Solar Power Poll: Gilroy

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

Yes, solar power is a great option  
No, solar power isn't a good option

Gilroy Natural Gas Costs

Natural gas prices (residential) in California averaged $18.49 per thousand cubic feet (Mcf) in October 2021, which was approximately 6% more than the overall U.S. average residential natural gas rate of $17.48 per Mcf in October. [4]

Weather Forecast for Gilroy, CA [5]

Mon Jan 24
63°F
Sky Is Clear
Min: 44°F
Max: 63°F
Light breeze: 4 mps WSW
Precip.: n/a
Humidity: 41%
Cloud cover: 0%
Tue Jan 25
63°F
Sky Is Clear
Min: 43°F
Max: 65°F
Light breeze: 4 mps NE
Precip.: n/a
Humidity: 46%
Cloud cover: 0%
Wed Jan 26
66°F
Sky Is Clear
Min: 45°F
Max: 66°F
Light breeze: 4 mps NE
Precip.: n/a
Humidity: 41%
Cloud cover: 0%
Thu Jan 27
66°F
Sky Is Clear
Min: 45°F
Max: 66°F
Light breeze: 4 mps NE
Precip.: n/a
Humidity: 39%
Cloud cover: 0%
Fri Jan 28
65°F
Overcast Clouds
Min: 47°F
Max: 65°F
Light breeze: 4 mps ENE
Precip.: n/a
Humidity: 39%
Cloud cover: 100%
Sat Jan 29
60°F
Overcast Clouds
Min: 48°F
Max: 61°F
Calm: 3 mps NNE
Precip.: n/a
Humidity: 48%
Cloud cover: 100%

More about Gilroy

About Gilroy

The city of Gilroy, CA in Santa Clara County has an approximate population of 48,821. [6]

Gilroy Solar Power

Gilroy, CA Solar Energy

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

Did you know?

Various missions to space by different countries are known to utilize solar energy as a main power source.

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References