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Solar Energy in Derby, CT

Solar Energy in Derby

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

Solar Panels in Derby

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

Sunrise & Sunset in Derby

The total length of the day in Derby, CT today (June 20, 2019) will be 15 hours and 09 minutes. [More]

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Derby, CT Solar Energy

Solar Power in Derby, CT

Solar Energy Data in Derby, CT

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

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


Solar Energy Analysis for Derby, CT

Solar Radiation Data in Derby

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

Derby has an average monthly Global Horizontal Irradiance (GHI) of 3.92 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 1% greater than the average monthly Direct Normal Irradiance (DNI) of 3.89 kWh/m2/day. [1]

Solar installations in Derby that are always titled at the latitude of Derby (Average Tilt at Latitude or ATaL) average 4.64 kWh/m2/day, or about 18% greater than the average monthly GHI of 3.92 kWh/m2/day and approximately 19% greater than the average monthly DNI of 3.89 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 Derby

Solar Radiation Data in Derby, CT

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

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

Solar Radiation Analysis for Derby, CT

Solar Radiation Data in Derby

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

Historical solar radiation data for Derby is not currently available.

Please check back later.

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

Solar Power Levels in Derby

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

Solar Power: vs. the U.S.

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

Sunrise / Sunset in Derby

  • Sunrise/Sunset for June 20, 2019 [2]
    • Sunrise: 9:19 am
    • Sunset: 12:28 am
    • Solar Noon: 4:54 pm
    • Length of Day: 15:09
Solar Energy Statistics for Derby

Best Months for Solar in Derby

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: July (5.56 kWh/m2/day)
    • DNI: July (4.66 kWh/m2/day)
    • GHI: July (5.95 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Derby

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

However, Derby is in New Haven County and New Haven County has at least 0 solar insallations right now. [1]

Solar Power Output in Derby

The Power of Solar in Derby, CT

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

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

Solar Output Analysis for Derby, CT

Solar Radiation Data in Derby

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

Historical solar radiation data for Derby is not currently available.

Please check back later.

Cost of Utilities in Derby

Derby Electricity Costs

Electricity prices (residential) in Derby averaged 22.51 cents per kilowatthour (¢/kWh) in March 2019, which was about 75% more than the overall U.S. average residential electricity rate of 12.83¢/kWh in March. [3]

Solar Power Poll: Derby

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

Derby Natural Gas Costs

Natural gas prices (residential) in Connecticut averaged $13.72 per thousand cubic feet (Mcf) in March 2019, which was approximately 45% more than the overall U.S. average residential natural gas rate of $9.48 per Mcf in March. [4]

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Solar Businesses in Derby

Solar Energy Contractors in Derby

Contractors & builders that specialize in solar panel installations in or near Derby, CT.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Derby produced no matches.

Solar Energy Equipment in Derby

Businesses that sell solar energy equipment and/or solar parts in or near Derby, CT.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Derby produced no matches.

Energy Conservation Consultants in Derby

Energy conservation specialists that offer consulting services in or near Derby, CT.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Derby produced no matches.

Weather Forecast for Derby, CT [5]

Thu Jun 20
68°F
Moderate Rain
Min: 67°F
Max: 76°F
Gentle Breeze: 4 mps SE
Precip.: Chance of Rain
Humidity: 99%
Cloud cover: 100%
Fri Jun 21
64°F
Light Rain
Min: 59°F
Max: 76°F
Strong breeze: 13 mps NNW
Precip.: Chance of Rain
Humidity: 72%
Cloud cover: 99%
Sat Jun 22
72°F
Sky Is Clear
Min: 52°F
Max: 76°F
Strong breeze: 12 mps NNW
Precip.: n/a
Humidity: 41%
Cloud cover: 0%
Sun Jun 23
74°F
Sky Is Clear
Min: 52°F
Max: 81°F
Fresh Breeze: 8 mps NW
Precip.: n/a
Humidity: 42%
Cloud cover: 0%
Mon Jun 24
80°F
Broken Clouds
Min: 54°F
Max: 84°F
Light breeze: 2 mps
Precip.: n/a
Humidity: 41%
Cloud cover: 77%
Tue Jun 25
72°F
Moderate Rain
Min: 64°F
Max: 78°F
Light breeze: 3 mps S
Precip.: Chance of Rain
Humidity: 92%
Cloud cover: 100%

More about Derby

About Derby

The city of Derby, CT in New Haven County has an approximate population of 12,902. [6]

Derby Solar Power

Derby, CT Solar Energy

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

Did you know?

About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.

Other Cities in Connecticut

ZIP Codes in CT


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References