Ridgeland, South Carolina presents a moderately good location for year-round solar energy generation, though with notable seasonal variations typical of its Northern Sub Tropical climate zone.
Seasonal Solar Performance
The solar energy output at this location shows strong performance during spring and summer months, with spring being the peak season at 6.57 kWh per day per kW of installed capacity. Summer follows closely at 6.39 kWh per day, making these the ideal times for solar generation. Autumn production drops to 4.66 kWh per day, while winter sees the lowest output at 3.08 kWh per day per kW installed. For maximum year-round energy production from a fixed panel installation at this location, solar panels should be tilted at 28 degrees facing south. This angle optimizes the total annual solar capture by accounting for the sun's changing position throughout the year.Environmental and Weather Factors
Several local factors in Ridgeland could potentially impact solar energy production:- High humidity and frequent thunderstorms: The coastal South Carolina climate brings regular afternoon thunderstorms, especially during summer months, which can temporarily reduce solar output and create moisture-related maintenance issues
- Hurricane and severe weather risk: The location's proximity to the Atlantic coast makes it vulnerable to hurricanes and strong coastal storms that could damage solar installations
- Spanish moss and tree coverage: The region's abundant vegetation, including Spanish moss on trees, can create shading issues if not properly managed during installation planning
- Salt air exposure: Being relatively close to the coast, salt-laden air can accelerate corrosion of metal components in solar installations
Preventative Installation Measures
To maximize solar energy production despite these challenges, several installation strategies should be considered. Panels should be mounted with robust hurricane-rated racking systems designed to withstand high winds, and all electrical connections should use marine-grade or corrosion-resistant materials to combat salt air exposure. Proper site selection becomes crucial - panels should be positioned away from large trees that could drop branches or create shade patterns, and regular vegetation management around the installation area helps prevent shading from growing plants. Installing panels with adequate spacing allows for proper air circulation, which helps reduce moisture buildup and improves cooling efficiency. Regular maintenance schedules should include cleaning panels after storms and checking for any debris accumulation, while ensuring all drainage systems around ground-mounted installations can handle the region's heavy rainfall periods. These measures help ensure the solar installation can reliably produce energy year-round despite the local environmental challenges.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 Ridgeland, South Carolina
Seasonal solar PV output for Latitude: 32.4827, Longitude: -80.9784 (Ridgeland, South Carolina, 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 28° South in Ridgeland, South Carolina, United States
To maximize your solar PV system's energy output in Ridgeland, South Carolina, United States (Lat/Long 32.4827, -80.9784) throughout the year, you should tilt your panels at an angle of 28° 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 Ridgeland, South Carolina, 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 Ridgeland, South Carolina, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 16° South in Summer | 37° South in Autumn | 48° South in Winter | 25° 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 Ridgeland, South Carolina, 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 Ridgeland, South Carolina, 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 Ridgeland, South Carolina, United States
Topographical Features of the Ridgeland Area
Ridgeland sits in the South Carolina Lowcountry, characterized by remarkably flat terrain that extends across much of the coastal plain region. The landscape around this area consists primarily of gently rolling hills with minimal elevation changes, creating an environment where the highest points rarely exceed 50 feet above sea level. This relatively uniform topography stems from the region's geological history as part of the Atlantic Coastal Plain, where sedimentary deposits have created expansive flat areas interspersed with subtle undulations.
The terrain features numerous wetlands, including cypress swamps, marshes, and seasonal flooding areas that are typical of the Lowcountry environment. These wetland systems create a patchwork landscape where dry land alternates with areas that experience periodic inundation. The Combahee River and its tributaries meander through the region, contributing to the formation of floodplains and riparian zones that influence the local topography.
Pine forests and mixed hardwood stands cover much of the upland areas, while agricultural fields occupy portions of the cleared land. The soil composition varies between sandy loam in the higher elevations and organic-rich soils in the lower-lying areas near water sources. This variation in soil type and drainage capacity directly correlates with the subtle elevation changes across the landscape.
Optimal Areas for Large-Scale Solar Development
The flat to gently rolling topography around Ridgeland presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas for solar development would be the elevated, well-drained agricultural fields and cleared upland areas that remain dry throughout the year. These locations offer the advantage of minimal grading requirements and reduced construction costs due to the naturally level terrain.
Former agricultural lands, particularly those that have been cleared of trees and are no longer in active cultivation, represent prime candidates for solar development. These areas typically have established access roads and existing electrical infrastructure connections, which can significantly reduce development costs. The sandy loam soils common in these upland areas provide excellent drainage and stable foundations for solar mounting systems.
Areas to avoid for solar installations include the numerous wetlands, floodplains, and low-lying areas that experience seasonal flooding. The cypress swamps and marshes scattered throughout the region present both environmental and practical challenges for solar development. Additionally, forested areas would require extensive clearing, which increases costs and environmental impact.
The proximity to existing electrical transmission infrastructure along major transportation corridors makes certain areas particularly attractive for utility-scale solar development. Open fields within a reasonable distance of substations and transmission lines offer the most economically viable locations for large installations. The relatively stable weather patterns and minimal risk of extreme topographical challenges, such as steep slopes or rocky terrain, make this region well-suited for solar energy development when appropriate sites are selected.
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: Thursday 17th of July 2025
Last Updated: Wednesday 6th of August 2025
Tell Us About Your Work
We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.
Feeling generous?
Share this with your friends!

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
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.




