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Flag of United StatesSolar PV Analysis of Central, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Central, United States (by season)

Central, South Carolina, located in the Northern Sub Tropics at latitude 34.7243 and longitude -82.7812, offers varying potential for solar energy production throughout the year. This location experiences significant seasonal differences in solar electricity generation that are important to understand when considering a PV installation.

Seasonal Solar Performance

Solar panels in Central show their strongest performance during summer, generating approximately 6.59kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 6.13kWh/day per kW. Production decreases considerably in autumn to 4.42kWh/day per kW, while winter represents the lowest generation period with only 2.86kWh/day per kW of installed capacity.

This seasonal pattern creates a production ratio of approximately 2.3:1 between the best and worst seasons, meaning summer panels produce more than twice the electricity of winter panels. The combined spring and summer months (roughly March through August) represent the prime solar generation period in Central, accounting for significantly higher production than the fall and winter months.

Optimal Panel Installation

For fixed-panel installations in Central, South Carolina, the ideal angle to maximize year-round solar production is 30 degrees facing South. This tilt angle represents the mathematically optimal position that balances seasonal variations in the sun's path across the sky throughout the year.

Environmental Considerations

Several environmental factors in Central could impact solar production:

  • The region experiences occasional severe thunderstorms and heavy rainfall, particularly during summer months, which can temporarily reduce solar output during these weather events.
  • The area's moderate tree coverage may create shading issues for some properties, potentially reducing overall system efficiency.
  • Seasonal pollen from the region's vegetation can accumulate on panels, particularly during spring.

To mitigate these factors, solar installations in Central should incorporate proper site assessment to avoid tree shading, include regular cleaning schedules (especially after pollen season), and utilize quality mounting systems that can withstand occasional severe weather. Microinverters or power optimizers may also be beneficial in installations where partial shading is unavoidable.

Overall, Central, South Carolina provides good solar potential, particularly from March through August, though the significant winter production drop should be considered when sizing systems to meet year-round energy needs.

Note: The Northern Sub Tropics extend from 23.5° latitude North up to 35° latitude.

So far, we have conducted calculations to evaluate the solar photovoltaic (PV) potential in 4253 locations across the United States. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in the United States by location

Solar output per kW of installed solar PV by season in Central

Seasonal solar PV output for Latitude: 34.7243, Longitude: -82.7812 (Central, United States), based on our analysis of 8760 hourly intervals of solar and meteorological data (one whole year) retrieved for that set of coordinates/location from NASA POWER (The Prediction of Worldwide Energy Resources) API:

Summer
Average 6.59kWh/day in Summer.
Autumn
Average 4.42kWh/day in Autumn.
Winter
Average 2.86kWh/day in Winter.
Spring
Average 6.13kWh/day in Spring.

 

Ideally tilt fixed solar panels 30° South in Central, United States

To maximize your solar PV system's energy output in Central, United States (Lat/Long 34.7243, -82.7812) throughout the year, you should tilt your panels at an angle of 30° South for fixed panel installations.

As the Earth revolves around the Sun each year, the maximum angle of elevation of the Sun varies by +/- 23.45 degrees from its equinox elevation angle for a particular latitude. Finding the exact optimal angle to maximise solar PV production throughout the year can be challenging, but with careful consideration of historical solar energy and meteorological data for a certain location, it can be done precisely.

We use our own calculation, which incorporates NASA solar and meteorological data for the exact Lat/Long coordinates, to determine the ideal tilt angle of a solar panel that will yield maximum annual solar output. We calculate the optimal angle for each day of the year, taking into account its contribution to the yearly total PV potential at that specific location.

The sun
At Latitude: 34.7243, Longitude: -82.7812, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Central, United States

If you can adjust the tilt angle of your solar PV panels, please refer to the seasonal tilt angles below for optimal solar energy production in Central, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 30° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
19° South in Summer 40° South in Autumn 50° South in Winter 27° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Central, United States as follows: In Summer, set the angle of your panels to 19° facing South. In Autumn, tilt panels to 40° facing South for maximum generation. During Winter, adjust your solar panels to a 50° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 27° angle facing South to capture the most solar energy in Central, United States.

Our recommendations take into account more than just latitude and Earth's position in its elliptical orbit around the Sun. We also incorporate historical solar and meteorological data from NASA's Prediction of Worldwide Energy Resources (POWER) API to assign a weight to each ideal angle for each day based on its historical contribution to overall solar PV potential during a specific season.

This approach allows us to provide much more accurate recommendations than relying solely on latitude, as it considers unique weather conditions in different locations sharing the same latitude worldwide.

Calculate solar panel row spacing in Central, United States

We've added a feature to calculate minimum solar panel row spacing by location. Enter your panel size and orientation below to get the minimum spacing in Central, United States.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. Minimum Spacing:
    We add the shadow length to the horizontal space occupied by tilted panels.

This approach ensures maximum space efficiency while avoiding shading during critical times, as the Winter solstice represents the worst-case scenario for shadow length.






Please enter information above to calculate panel spacing.

Topography for solar PV around Central, United States

The topography around Central, South Carolina is characterized by rolling hills and valleys typical of the Piedmont region of the southeastern United States. This area sits at the transitional zone between the Blue Ridge Mountains to the northwest and the Atlantic Coastal Plain to the southeast. The landscape features moderate elevation changes with numerous small streams and rivers cutting through the terrain, creating a gently undulating topography. The elevation in Central averages around 900 feet (275 meters) above sea level, with surrounding areas varying between approximately 700 to 1,100 feet. This hilly terrain is part of the ancient Appalachian mountain chain that has weathered over millions of years, resulting in the rounded, mature landforms visible today. The region's soil composition consists primarily of red clay and loam, a legacy of the weathered crystalline rocks that underlie the Piedmont.

Nearby Areas Suitable for Solar PV Development

Several factors make certain areas around Central potentially suitable for large-scale solar photovoltaic installations. The most promising locations would be: The southeastern plains extending toward Anderson County offer relatively flat terrain with fewer tree-covered areas. These open spaces would require less grading and clearing for solar array installation. The gently sloping land in this direction provides natural drainage while maintaining good solar exposure throughout the day. Former agricultural lands between Central and Clemson present opportunities for solar development. These areas typically have already been cleared, have established access roads, and feature the moderate slopes that facilitate efficient panel placement without excessive earthwork costs. The plateaus and broader ridgetops to the northeast toward Pickens County could accommodate larger installations. These elevated areas often receive less shadowing from surrounding terrain features and vegetation, maximizing potential solar capture. The stable ground conditions on these plateaus also reduce foundation complexity. Areas to avoid would include the steeper western slopes leading toward the Blue Ridge escarpment, deeply forested tracts throughout the region, and the numerous stream valleys with their associated floodplains. These locations present challenges including excessive shading, difficult construction conditions, and potential environmental sensitivities. The region's topography does create some challenges for solar development, as the rolling nature of the land means that not all surfaces face optimal southern exposures. However, modern tracking systems can help overcome some of these limitations by allowing panels to follow the sun's path throughout the day, making even moderately sloped terrain viable for large-scale installations.

United States solar PV Stats as a country

United States ranks 2nd in the world for cumulative solar PV capacity, with 95,209 total MW's of solar PV installed. This means that 3.40% of United States's total energy as a country comes from solar PV (that's 26th in the world). Each year United States is generating 289 Watts from solar PV per capita (United States ranks 15th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in United States?

Yes, there are several incentives for businesses wanting to install solar energy in the United States. These include federal tax credits, state and local rebates, net metering policies, and renewable energy certificates (RECs). Additionally, many states have enacted legislation that requires utilities to purchase a certain amount of electricity from renewable sources such as solar.

Do you have more up to date information than this on incentives towards solar PV projects in United States? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Article: Solar PV Analysis of Central, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 20th of May 2025
Last Updated: Thursday 27th of November 2025

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Compare this location to others worldwide for solar PV potential

The solar PV analyses available on our website, including this one, are offered as a free service to the global community. Our aim is to provide education and aid informed decision-making regarding solar PV installations.

However, please note that these analyses are general guidance and may not meet specific project requirements. For in-depth, tailored forecasts and analysis crucial for feasibility studies or when pursuing maximum ROI from your solar projects, feel free to contact us; we offer comprehensive consulting services expressly for this purpose.

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