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Solar Power in 15621 (Calumet, PA)

Solar Energy in 15621

The month of August has the highest historical solar radition values in 15621 with an average of 5.41 kWh/m2/day. [More]

Solar Panels in 15621

Solar panels in 15621 that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in 15621

The total length of the day in 15621 (Calumet, PA) today (February 21, 2019) will be 10 hours and 58 minutes. [More]

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15621 Solar Energy

Solar Energy in 15621 (Calumet, PA)

Solar Energy Data for 15621

See the chart below to see how different types of solar panel installations compare in 15621.

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


Solar Energy Analysis for 15621

Solar Radiation Data in 15621

Based on historical 15621 data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in 15621. [1]

The region associated with 15621 has an average monthly Global Horizontal Irradiance (GHI) of 3.82 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 12% greater than the average monthly Direct Normal Irradiance (DNI) of 3.41 kWh/m2/day. [1]

Solar installations in 15621 that are always titled at the latitude of Calumet (Average Tilt at Latitude or ATaL) average 4.34 kWh/m2/day, or about 14% greater than the average monthly GHI of 3.82 kWh/m2/day and approximately 27% greater than the average monthly DNI of 3.41 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 15621

Solar Radiation Data in 15621

See the chart below for monthly solar radiation levels in 15621.

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

Solar Radiation Analysis for 15621

Solar Radiation Data in 15621

The region associated with 15621 has a average annual solar radiation value of 4.15 kilowatt hours per square meter per day (kWh/m2/day). [1]

The month with the highest historical solar radition values in 15621 is August with an average of 5.41 kWh/m2/day, followed by June at 5.4 kWh/m2/day and July at 5.26 kWh/m2/day. [1]

The three months that historically average the lowest average solar radiation levels in 15621 are December with an average of 1.87 kWh/m2/day, followed by November with an average of 2.63 kWh/m2/day and January at 2.64 kWh/m2/day. [1]

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Solar Power Comparison: 15621 vs. the U.S.

Solar Power Levels in 15621

The average monthly solar radiation level in 15621, of 4.15 kilowatt hours per square meter per day (kWh/m2/day) is approximately 11% greater than the average level of 3.73 kWh/m2/day in a city with historically low levels (WA) and is approximately 37% 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: 15621 vs. the U.S.

Below is a month-by-month comparison of how average 15621 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 15621

Sunrise / Sunset in 15621

  • Sunrise/Sunset for February 21, 2019 [2]
    • Sunrise: 12:02 pm
    • Sunset: 11:00 pm
    • Solar Noon: 5:31 pm
    • Length of Day: 10:58
Solar Energy Statistics for 15621

Best Months for Solar in 15621

  • Top Solar Power Months Historically [1]
    • Solar Radiation August (5.41 kWh/m2/day)
    • ATaL: July (5.41 kWh/m2/day)
    • DNI: July (4.21 kWh/m2/day)
    • GHI: June (5.85 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in 15621

We do not currently have data on solar panel installations in 15621 at this current time.

However, 15621 is in Westmoreland County and Westmoreland County (PA) has at least 82 solar insallations right now. [1]

Solar Power Output in 15621

The Power of Solar in 15621

Monthly AC solar system output averages for 15621. Month-by-month solar power, as ranked by AC output, in 15621. [2]

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

Solar Output Analysis for 15621

Solar Radiation Data in 15621

15621 has a average annual solar AC output value of 4857.27 kilowatt hours (AC). [2]

The month with the highest historical solar power output in 15621 is August with an average of 515.64 kWhac, followed by May at 505.79 kWhac and July at 503.23 kWhac. [2]

The three months that historically average the lowest average solar output levels in 15621 are December with an average of 197.58 kWhac, followed by November with an average of 264.66 kWhac and January at 282.88 kWhac. [2]

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Solar Businesses in 15621

Solar Energy Contractors in 15621

Contractors & builders that specialize in solar panel installations in or near 15621.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in 15621 produced no matches.

Solar Energy Equipment in 15621

Businesses that sell solar energy equipment and/or solar parts in or near 15621.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in 15621 produced no matches.

Energy Conservation Consultants in 15621

Energy conservation specialists that offer consulting services in or near 15621.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in 15621 produced no matches.

Weather Forecast for 15621 [5]

Wed Feb 20
41°F
Light Rain
Min: 41°F
Max: 41°F
Fresh Breeze: 8 mps W
Precip.: Chance of Rain
Humidity: 100%
Cloud cover: 92%
Thu Feb 21
37°F
Sky Is Clear
Min: 27°F
Max: 37°F
Fresh Breeze: 8 mps W
Precip.: n/a
Humidity: 70%
Cloud cover: 0%
Fri Feb 22
34°F
Sky Is Clear
Min: 26°F
Max: 36°F
Calm: 0 mps W
Precip.: Chance of Snow
Humidity: 77%
Cloud cover: 88%
Sat Feb 23
37°F
Moderate Rain
Min: 30°F
Max: 37°F
Fresh Breeze: 10 mps SE
Precip.: Chance of Rain
Humidity: 84%
Cloud cover: 88%
Sun Feb 24
47°F
Heavy Intensity Rain
Min: 29°F
Max: 49°F
Gale: 18 mps WSW
Precip.: Chance of Rain
Humidity: 0%
Cloud cover: 100%
Mon Feb 25
30°F
Sky Is Clear
Min: 17°F
Max: 30°F
Fresh Breeze: 9 mps WNW
Precip.: n/a
Humidity: 0%
Cloud cover: 13%

More about 15621

About 15621

The ZIP code 15621 is associated with the city of Calumet in Westmoreland County in Pennsylvania.

15621 Solar Power

15621 Solar Energy & Power

To learn more about solar energy and solar power in 15621, or for more solar-related resources for PA, check out the U.S. Energy Information Administration.

Did you know?

The largest solar power plant in the world covers 1000 acres & is located in the Mojave Desert in California.

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