Solar Energy & Solar Power Resources

Solar Power in 28640 (Jefferson, NC)

Solar Energy in 28640

Sorry, historical solar radition values for 28640 are currently unavailable, please check back later.

Solar Panels in 28640

Solar panels in 28640 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 28640

The total length of the day in 28640 (Jefferson, NC) today (March 19, 2026) will be 12 hours and 9 minutes. [More]

Solar Energy in 28640 (Jefferson, NC)

Solar Energy Data for 28640

See the chart below to see how different types of solar panel installations compare in 28640.

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

Solar Energy Analysis for 28640

Sorry, it is not possible to complete our solar energy analysis for 28640 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 28640

Solar Radiation Data in 28640

See the chart below for monthly solar radiation levels in 28640.

Sorry, data is not currently available.

Solar Radiation Analysis for 28640

Sorry, it is not possible to complete our solar radiation analysis for 28640 at this time.

Historical solar radiation data for 28640 is not currently available.

Please check back later.

Solar Power Comparison: 28640 vs. the U.S.

Solar Power Levels in 28640

Sorry, solar radiation data for 28640 is not currently available.

Solar Power: 28640 vs. the U.S.

Below is a month-by-month comparison of how average 28640 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 28640

Sunrise / Sunset in 28640

Sunrise/Sunset for March 19, 2026 ^[2]
- Sunrise: 7:28 am
- Sunset: 7:37 pm
- Length of Day: 12:9

Best Months for Solar in 28640

Monthly data not currently available.

Solar Panel Installs in 28640

We do not have data on solar panel installations in ZIP Code 28640 at the current time.

Solar Power Output in 28640

The Power of Solar in 28640

Monthly AC solar system output averages for 28640. Month-by-month solar power, as ranked by AC output, in 28640. ^[2]

AC output data is not currently available.

Solar Output Analysis for 28640

Sorry, it is not possible to complete our solar radiation analysis for 28640 at this time.

Historical solar radiation data for 28640 is not currently available.

Please check back later.

Weather Forecast for 28640 ^[5]

Thu Mar 19

46°F

Broken Clouds
Min: 28°F
Max: 56°F

Light breeze: 6 mps NW
Precip.: n/a
Humidity: 61%
Cloud cover: 80%

Fri Mar 20

59°F

Broken Clouds
Min: 36°F
Max: 60°F

Gentle Breeze: 11 mps W
Precip.: n/a
Humidity: 44%
Cloud cover: 61%

Sat Mar 21

56°F

Light Rain
Min: 52°F
Max: 59°F

Moderate breeze: 13 mps W
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%

Sun Mar 22

71°F

Broken Clouds
Min: 50°F
Max: 71°F

Light breeze: 6 mps W
Precip.: n/a
Humidity: 43%
Cloud cover: 68%

Mon Mar 23

58°F

Broken Clouds
Min: 38°F
Max: 62°F

Fresh Breeze: 21 mps WNW
Precip.: n/a
Humidity: 44%
Cloud cover: 69%

Tue Mar 24

51°F

Overcast Clouds
Min: 32°F
Max: 51°F

Gentle Breeze: 8 mps SSE
Precip.: n/a
Humidity: 33%
Cloud cover: 100%

More about 28640

About 28640

The ZIP code 28640 is associated with the city of Jefferson in Ashe County in North Carolina.

28640 Solar Energy & Power

To learn more about solar energy and solar power in 28640, or for more solar-related resources for NC, check out the U.S. Energy Information Administration.