Kershaw, South Carolina presents a moderately good location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand.
Seasonal Solar Performance
The solar energy output at this Northern Sub Tropical location shows strong performance during warmer months and reduced efficiency in winter. Summer delivers the highest energy production at 6.55 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows closely with 6.12 kWh per day per kW, providing nearly equivalent performance. Autumn sees a moderate decline to 4.48 kWh per day per kW, while winter presents the most challenging period with only 2.88 kWh per day per kW. This winter reduction represents less than half the summer output, which is typical for locations at this latitude.Optimal Installation Setup
For fixed panel installations at this location, the ideal angle to tilt panels for maximum year-round production is 30 degrees facing south. This angle has been calculated by analyzing daily solar elevation angles at the latitude, determining optimal panel tilt for each day, and weighting these angles by daily photovoltaic potential using solar irradiance data while accounting for Earth's elliptical orbit.Environmental and Weather Considerations
Several local factors in the Kershaw area could potentially impact solar energy production:- High humidity levels typical of South Carolina can create haze that reduces solar irradiance
- Frequent thunderstorms during summer months may cause temporary production interruptions
- Occasional ice storms in winter can temporarily block panels
- Pollen from abundant pine trees can accumulate on panel surfaces, particularly in spring
- Hurricane season brings potential for severe weather and debris
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies prove beneficial. Regular panel cleaning schedules help combat pollen accumulation, particularly during spring months when tree pollen peaks. Installing panels with adequate spacing allows for proper air circulation, reducing moisture buildup that can decrease efficiency. Choosing high-quality mounting systems designed to withstand severe weather protects the investment during hurricane season. Additionally, selecting panels with anti-reflective coatings can help maintain performance even during hazy conditions common in humid climates. Overall, while Kershaw's location provides solid solar potential with excellent spring and summer production, the significant winter reduction and local environmental factors require careful planning and maintenance to optimize year-round energy generation.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 Kershaw
Seasonal solar PV output for Latitude: 34.5518, Longitude: -80.5837 (Kershaw, 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:
 
Ideally tilt fixed solar panels 30° South in Kershaw, United States
To maximize your solar PV system's energy output in Kershaw, United States (Lat/Long 34.5518, -80.5837) 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.
Seasonally adjusted solar panel tilt angles for Kershaw, 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 Kershaw, 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 |
|---|---|---|---|
| 18° South in Summer | 40° South in Autumn | 50° South in Winter | 27° South in Spring |
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 Kershaw, 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 Kershaw, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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.
Topography for solar PV around Kershaw, United States
Topography Around Kershaw, South Carolina
The landscape surrounding Kershaw is characterized by gently rolling hills and relatively modest elevation changes typical of the South Carolina Piedmont region. This area sits at an elevation of approximately 500 feet above sea level, with the terrain gradually sloping toward the southeast as it transitions from the foothills of the Appalachian Mountains toward the Atlantic Coastal Plain. The topography features a series of low ridges and shallow valleys that have been carved by centuries of water erosion, creating a undulating landscape that rarely presents steep gradients or dramatic elevation changes.
The region is drained by several small creeks and tributaries that flow generally eastward toward the Wateree River, which lies several miles to the east of Kershaw. These waterways have created gentle valley systems that break up the otherwise rolling terrain. The soil composition consists primarily of clay and sandy loam, with areas of exposed granite and weathered rock formations that are characteristic of the Piedmont geological zone.
Forested areas dominate much of the landscape, with a mix of hardwood and pine forests covering the hills and ridges. However, significant portions of the land have been cleared for agricultural use, creating open fields and pastures that interrupt the forested canopy. The combination of gentle slopes, cleared agricultural land, and moderate elevation creates favorable conditions for various development projects.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations in the Kershaw area would be the open agricultural fields and cleared pastureland that occupy the gentler slopes and relatively flat areas between the low ridges. These locations offer several advantages for solar development, including minimal tree clearing requirements, stable soil conditions for mounting systems, and terrain that allows for efficient panel layout and maintenance access.
The south-facing slopes of the rolling hills present particularly attractive opportunities, as these areas receive optimal solar exposure throughout the day while maintaining manageable grade levels for construction and equipment installation. Areas with slopes between 0 and 10 degrees are ideal, as they provide natural drainage while avoiding the complications and additional costs associated with steeper terrain.
The cleared agricultural lands southeast of Kershaw, where the terrain begins to flatten as it approaches the Coastal Plain transition zone, represent some of the most promising locations for utility-scale solar development. These areas combine relatively level topography with existing cleared land, reducing both construction complexity and environmental impact. The proximity to existing agricultural infrastructure often means better road access for construction and maintenance vehicles.
Areas to avoid would include the steeper ridgelines, heavily forested sections that would require extensive clearing, and the low-lying areas near creek beds that may experience seasonal flooding or drainage issues. The rocky outcroppings and areas with shallow soil over granite bedrock, while not impossible to develop, would present additional challenges for ground-mounted solar installations and might be better suited for alternative mounting systems.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 11th of August 2025
Last Updated: Monday 11th of August 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.
Helping you assess viability of solar PV for your site
Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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