Solar Energy & Solar Power Resources

Solar Power in 27640 (Raleigh, NC)

Solar Energy in 27640

Sorry, historical solar radition values for 27640 are currently unavailable, please check back later.

Solar Panels in 27640

Solar panels in 27640 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 27640

The total length of the day in 27640 (Raleigh, NC) today (November 08, 2026) will be 10 hours and 29 minutes. [More]

Solar Energy in 27640 (Raleigh, NC)

Solar Energy Data for 27640

See the chart below to see how different types of solar panel installations compare in 27640.

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

Solar Energy Analysis for 27640

Sorry, it is not possible to complete our solar energy analysis for 27640 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 27640

Solar Radiation Data in 27640

See the chart below for monthly solar radiation levels in 27640.

Sorry, data is not currently available.

Solar Radiation Analysis for 27640

Sorry, it is not possible to complete our solar radiation analysis for 27640 at this time.

Historical solar radiation data for 27640 is not currently available.

Please check back later.

Solar Power Comparison: 27640 vs. the U.S.

Solar Power Levels in 27640

Sorry, solar radiation data for 27640 is not currently available.

Solar Power: 27640 vs. the U.S.

Below is a month-by-month comparison of how average 27640 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 North Carolina is not currently available.

Solar Data & Statistics for 27640

Sunrise / Sunset in 27640

Sunrise/Sunset for November 08, 2026 ^[2]
- Sunrise: 6:43 am
- Sunset: 5:12 pm
- Length of Day: 10:29

Best Months for Solar in 27640

Monthly data not currently available.

Solar Panel Installs in 27640

We do not have data on solar panel installations in ZIP Code 27640 at the current time.

Solar Power Output in 27640

The Power of Solar in 27640

Monthly AC solar system output averages for 27640. Month-by-month solar power, as ranked by AC output, in 27640. ^[2]

AC output data is not currently available.

Solar Output Analysis for 27640

Sorry, it is not possible to complete our solar radiation analysis for 27640 at this time.

Historical solar radiation data for 27640 is not currently available.

Please check back later.

Weather Forecast for 27640 ^[5]

Sun Nov 8

60°F

Sky Is Clear
Min: 39°F
Max: 63°F

Gentle Breeze: 8 mps SW
Precip.: n/a
Humidity: 54%
Cloud cover: 0%

Mon Nov 9

63°F

Sky Is Clear
Min: 44°F
Max: 67°F

Gentle Breeze: 9 mps NW
Precip.: n/a
Humidity: 47%
Cloud cover: 0%

Tue Nov 10

64°F

Sky Is Clear
Min: 43°F
Max: 70°F

Gentle Breeze: 9 mps SW
Precip.: n/a
Humidity: 49%
Cloud cover: 0%

Wed Nov 11

65°F

Light Rain
Min: 46°F
Max: 69°F

Gentle Breeze: 9 mps SSW
Precip.: Chance of Rain
Humidity: 54%
Cloud cover: 0%

Thu Nov 12

59°F

Light Rain
Min: 49°F
Max: 61°F

Moderate breeze: 13 mps NW
Precip.: Chance of Rain
Humidity: 68%
Cloud cover: 94%

Fri Nov 13

50°F

Sky Is Clear
Min: 42°F
Max: 54°F

Moderate breeze: 13 mps WNW
Precip.: n/a
Humidity: 51%
Cloud cover: 2%

More about 27640

About 27640

The ZIP code 27640 is associated with the city of Raleigh in Wake County in North Carolina.

27640 Solar Energy & Power

To learn more about solar energy and solar power in 27640, or for more solar-related resources for NC, check out the U.S. Energy Information Administration.