Solar Energy & Solar Power Resources

Solar Power in 15642 (Irwin, PA)

Solar Energy in 15642

Sorry, historical solar radition values for 15642 are currently unavailable, please check back later.

Solar Panels in 15642

Solar panels in 15642 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 15642

The total length of the day in 15642 (Irwin, PA) today (September 15, 2026) will be 12 hours and 31 minutes. [More]

Solar Energy in 15642 (Irwin, PA)

Solar Energy Data for 15642

See the chart below to see how different types of solar panel installations compare in 15642.

Historical solar power output data for Irwin is not currently available.

Solar Energy Analysis for 15642

Sorry, it is not possible to complete our solar energy analysis for 15642 at this time.

Please check back later.

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 15642

Solar Radiation Data in 15642

See the chart below for monthly solar radiation levels in 15642.

Sorry, data is not currently available.

Solar Radiation Analysis for 15642

Sorry, it is not possible to complete our solar radiation analysis for 15642 at this time.

Historical solar radiation data for 15642 is not currently available.

Please check back later.

Solar Power Comparison: 15642 vs. the U.S.

Solar Power Levels in 15642

Sorry, solar radiation data for 15642 is not currently available.

Solar Power: 15642 vs. the U.S.

Below is a month-by-month comparison of how average 15642 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 Pennsylvania is not currently available.

Solar Data & Statistics for 15642

Sunrise / Sunset in 15642

Sunrise/Sunset for September 15, 2026 ^[2]
- Sunrise: 6:58 am
- Sunset: 7:29 pm
- Length of Day: 12:31

Best Months for Solar in 15642

Monthly data not currently available.

Solar Panel Installs in 15642

We do not have data on solar panel installations in ZIP Code 15642 at the current time.

Solar Power Output in 15642

The Power of Solar in 15642

Monthly AC solar system output averages for 15642. Month-by-month solar power, as ranked by AC output, in 15642. ^[2]

AC output data is not currently available.

Solar Output Analysis for 15642

Sorry, it is not possible to complete our solar radiation analysis for 15642 at this time.

Historical solar radiation data for 15642 is not currently available.

Please check back later.

Weather Forecast for 15642 ^[5]

Tue Sep 15

75°F

Broken Clouds
Min: 51°F
Max: 81°F

Light breeze: 6 mps E
Precip.: n/a
Humidity: 53%
Cloud cover: 59%

Wed Sep 16

80°F

Broken Clouds
Min: 64°F
Max: 87°F

Light breeze: 5 mps WSW
Precip.: n/a
Humidity: 61%
Cloud cover: 59%

Thu Sep 17

77°F

Light Rain
Min: 66°F
Max: 79°F

Light breeze: 7 mps W
Precip.: Chance of Rain
Humidity: 81%
Cloud cover: 88%

Fri Sep 18

76°F

Light Rain
Min: 64°F
Max: 77°F

Light breeze: 6 mps NNE
Precip.: Chance of Rain
Humidity: 63%
Cloud cover: 77%

Sat Sep 19

82°F

Moderate Rain
Min: 62°F
Max: 84°F

Light breeze: 6 mps E
Precip.: Chance of Rain
Humidity: 60%
Cloud cover: 47%

Sun Sep 20

71°F

Moderate Rain
Min: 67°F
Max: 71°F

Light breeze: 7 mps SW
Precip.: Chance of Rain
Humidity: 96%
Cloud cover: 100%

More about 15642

About 15642

The ZIP code 15642 is associated with the city of Irwin in Westmoreland County in Pennsylvania.

15642 Solar Energy & Power

To learn more about solar energy and solar power in 15642, or for more solar-related resources for PA, check out the U.S. Energy Information Administration.