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Solar Energy in Gretna, LA

Solar Energy in Gretna

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

Solar Panels in Gretna

Solar panels in Gretna that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in Gretna

The total length of the day in Gretna, LA today (December 07, 2021) will be 10 hours and 17 minutes. [More]

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Gretna, LA Solar Energy

Solar Power in Gretna, LA

Solar Energy Data in Gretna, LA

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

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


Solar Energy Analysis for Gretna, LA

Solar Radiation Data in Gretna

Based on historical Gretna, LA data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Gretna. [1]

Gretna has an average monthly Global Horizontal Irradiance (GHI) of 4.64 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 7% greater than the average monthly Direct Normal Irradiance (DNI) of 4.32 kWh/m2/day. [1]

Solar installations in Gretna that are always titled at the latitude of Gretna (Average Tilt at Latitude or ATaL) average 5.12 kWh/m2/day, or about 10% greater than the average monthly GHI of 4.64 kWh/m2/day and approximately 19% greater than the average monthly DNI of 4.32 kWh/m2/day. [1]

* See glossary & definitions below.

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 Gretna

Solar Radiation Data in Gretna, LA

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

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

Solar Radiation Analysis for Gretna, LA

Solar Radiation Data in Gretna

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

Historical solar radiation data for Gretna is not currently available.

Please check back later.

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

Solar Power Levels in Gretna

Sorry, solar radiation data for Louisiana is not currently available. Please try again later.

Solar Power: vs. the U.S.

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

Sunrise / Sunset in Gretna

  • Sunrise/Sunset for December 07, 2021 [2]
    • Sunrise: 6:43 am
    • Sunset: 5:00 pm
    • Length of Day: 10:17
Solar Energy Statistics for Gretna

Best Months for Solar in Gretna

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: April (5.98 kWh/m2/day)
    • DNI: April (5.17 kWh/m2/day)
    • GHI: May (6.33 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Gretna

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

Solar Power Output in Gretna

The Power of Solar in Gretna, LA

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

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

Solar Output Analysis for Gretna, LA

Solar Radiation Data in Gretna

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

Historical solar radiation data for Gretna is not currently available.

Please check back later.

Cost of Utilities in Gretna

Gretna Electricity Costs

Electricity prices (residential) in Gretna averaged 11.70 cents per kilowatthour (¢/kWh) in September 2021, which was about 18% less than the overall U.S. average residential electricity rate of 14.19¢/kWh in September. [3]

Solar Power Poll: Gretna

Vote now: Given all of the data and analysis provided for Gretna, 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

Gretna Natural Gas Costs

Natural gas prices (residential) in Louisiana averaged $17.22 per thousand cubic feet (Mcf) in September 2021, which was approximately 15% less than the overall U.S. average residential natural gas rate of $20.22 per Mcf in September. [4]

Weather Forecast for Gretna, LA [5]

Tue Dec 7
67°F
Light Rain
Min: 61°F
Max: 68°F
Gentle Breeze: 9 mps ESE
Precip.: Chance of Rain
Humidity: 85%
Cloud cover: 100%
Wed Dec 8
66°F
Light Rain
Min: 64°F
Max: 70°F
Gentle Breeze: 7 mps ESE
Precip.: Chance of Rain
Humidity: 86%
Cloud cover: 97%
Thu Dec 9
80°F
Light Rain
Min: 65°F
Max: 80°F
Moderate breeze: 13 mps SSW
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 99%
Fri Dec 10
81°F
Broken Clouds
Min: 71°F
Max: 81°F
Moderate breeze: 16 mps SSW
Precip.: n/a
Humidity: 58%
Cloud cover: 54%
Sat Dec 11
77°F
Light Rain
Min: 53°F
Max: 77°F
Fresh Breeze: 20 mps NNW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 94%
Sun Dec 12
56°F
Sky Is Clear
Min: 45°F
Max: 57°F
Moderate breeze: 16 mps NNE
Precip.: n/a
Humidity: 38%
Cloud cover: 0%

More about Gretna

About Gretna

The city of Gretna, LA in Jefferson County has an approximate population of 17,736. [6]

Gretna Solar Power

Gretna, LA Solar Energy

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

Did you know?

Some tax incentives and rebate programs are designed to spur the use of solar energy. These vary by location.

Other Cities in Louisiana

ZIP Codes in LA


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References