Solar Energy & Solar Power Resources

Solar Energy in Sumter, SC

Solar Energy in Sumter

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

Solar Panels in Sumter

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

Sunrise & Sunset in Sumter

The total length of the day in Sumter, SC today (June 15, 2026) will be 14 hours and 27 minutes. [More]

Solar Power in Sumter, SC

Solar Energy Data in Sumter, SC

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

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

Solar Energy Analysis for Sumter, SC

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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 Sumter

Solar Radiation Data in Sumter, SC

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

Sorry, data is not currently available.

Solar Radiation Analysis for Sumter, SC

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

Historical solar radiation data for Sumter is not currently available.

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

Solar Power Levels in Sumter

Sorry, solar radiation data for South Carolina is not currently available.

Solar Power: Sumter vs. the U.S.

Below is a month-by-month comparison of how average Sumter 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 South Carolina is not currently available.

Solar Data & Statistics for Sumter

Sunrise / Sunset in Sumter

Sunrise/Sunset for June 15, 2026 ^[2]
- Sunrise: 6:08 am
- Sunset: 8:35 pm
- Length of Day: 14:27

Best Months for Solar in Sumter

Monthly data not currently available.

Solar Panel Installs in Sumter

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

Solar Power Output in Sumter

The Power of Solar in Sumter, SC

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

AC output data is not currently available.

Solar Output Analysis for Sumter, SC

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

Historical solar radiation data for Sumter is not currently available.

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Cost of Utilities in Sumter

Sumter Electricity Costs

Sorry, Sumter residential electricity prices are currently unavailable.

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Solar Power Poll: Sumter

Vote now: Given all of the data and analysis provided for Sumter, is solar power a good choice for residents of this city?

Sumter Natural Gas Costs

Sorry, South Carolina residential natural gas prices are currently unavailable.

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Weather Forecast for Sumter, SC ^[5]

Mon Jun 15

88°F

Scattered Clouds
Min: 72°F
Max: 88°F

Gentle Breeze: 10 mps SW
Precip.: n/a
Humidity: 35%
Cloud cover: 40%

Tue Jun 16

79°F

Overcast Clouds
Min: 71°F
Max: 79°F

Moderate breeze: 13 mps WSW
Precip.: n/a
Humidity: 48%
Cloud cover: 100%

Wed Jun 17

86°F

Overcast Clouds
Min: 71°F
Max: 90°F

Moderate breeze: 16 mps SW
Precip.: n/a
Humidity: 52%
Cloud cover: 96%

Thu Jun 18

97°F

Moderate Rain
Min: 74°F
Max: 97°F

Moderate breeze: 17 mps SW
Precip.: Chance of Rain
Humidity: 34%
Cloud cover: 84%

Fri Jun 19

80°F

Light Rain
Min: 73°F
Max: 85°F

Moderate breeze: 15 mps WSW
Precip.: Chance of Rain
Humidity: 66%
Cloud cover: 100%

Sat Jun 20

86°F

Overcast Clouds
Min: 71°F
Max: 88°F

Gentle Breeze: 9 mps NNE
Precip.: n/a
Humidity: 33%
Cloud cover: 100%

More about Sumter

About Sumter

The city of Sumter, SC in Sumter County has an approximate population of 40,524. ^[6]

Sumter, SC Solar Energy

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