Lexington, South Carolina, located in the Northern Sub Tropics, offers a relatively favorable environment for solar energy generation throughout the year. The location's latitude and longitude (33.9739, -81.2345) contribute to its potential for harnessing solar power, with varying levels of efficiency across different seasons.
Seasonal Solar Performance
Solar energy production in Lexington experiences significant fluctuations across the four meteorological seasons. Summer stands out as the most productive period, with an impressive average daily output of 6.45 kWh per kW of installed solar capacity. Spring follows closely behind, generating 6.21 kWh per day. These seasons offer optimal conditions for solar energy harvesting due to longer daylight hours and more direct sunlight. Autumn sees a moderate decrease in solar output, with an average of 4.50 kWh per day. This reduction is primarily due to shorter days and the sun's lower position in the sky. Winter presents the most challenging period for solar energy production, with a daily average of only 2.89 kWh. The decreased output during winter is attributed to shorter days, lower sun angles, and potentially more cloudy weather.Optimal Panel Installation
For those considering a fixed panel installation in Lexington, the ideal angle to maximize year-round solar production is 30 degrees tilted towards the South. This angle has been calculated to optimize energy capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.Environmental Considerations
While Lexington's climate is generally conducive to solar energy production, there are some environmental factors to consider: 1. Humidity: The region's subtropical climate can lead to high humidity levels, potentially causing condensation on solar panels. This can be mitigated by ensuring proper ventilation and using anti-reflective coatings on the panels. 2. Thunderstorms: South Carolina experiences frequent thunderstorms, especially during summer months. Lightning protection systems should be installed to safeguard solar equipment. 3. Tree cover: Lexington has significant vegetation, which could potentially shade solar panels. Careful site selection and regular tree trimming can help maximize sun exposure. To address these factors, it's crucial to work with experienced solar installers who understand local conditions. They can recommend appropriate panel types, mounting systems, and maintenance schedules to ensure optimal performance and longevity of the solar installation. In conclusion, while Lexington faces some challenges, particularly during winter months, its overall solar potential remains strong. With proper planning and installation, residents can effectively harness solar energy throughout the year, contributing to a more sustainable energy future.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 Lexington, South Carolina
Seasonal solar PV output for Latitude: 33.9739, Longitude: -81.2345 (Lexington, 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 30° South in Lexington, South Carolina, United States
To maximize your solar PV system's energy output in Lexington, South Carolina, United States (Lat/Long 33.9739, -81.2345) 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 Lexington, 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 Lexington, South Carolina, 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 | 39° South in Autumn | 49° South in Winter | 26° 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 Lexington, 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 Lexington, 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 Lexington, South Carolina, United States
The area around Lexington, South Carolina, located at approximately 33.9739°N and 81.2345°W, is characterized by gently rolling hills and subtle elevation changes typical of the Piedmont region. This topography is a transition zone between the flat coastal plains to the southeast and the more mountainous regions to the northwest. The landscape surrounding Lexington features a mix of low hills, shallow valleys, and occasional flat areas. The terrain is generally undulating, with elevations ranging from about 300 to 600 feet above sea level. Small streams and creeks crisscross the area, forming minor drainage patterns that contribute to the gentle contours of the land.
Vegetation and Land Use
The region is predominantly covered by mixed forests, consisting of both deciduous and evergreen trees. Interspersed among these wooded areas are cleared lands used for agriculture, residential developments, and commercial purposes. The combination of forested and open areas creates a patchwork appearance when viewed from above.Suitability for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations for solar farms in this region would have the following characteristics: 1. Relatively flat or gently sloping terrain to minimize the need for extensive grading and to optimize solar panel orientation. 2. Open areas with minimal tree cover to reduce shading and maximize sun exposure throughout the day. 3. Proximity to existing electrical infrastructure for easier grid connection. 4. Areas that are not prime agricultural land or ecologically sensitive habitats. Given these criteria, the most suitable areas for large-scale solar PV near Lexington would likely be found in the following locations: 1. Former agricultural fields or pastures that are no longer in active use. 2. Cleared areas on the outskirts of urban developments where land is available and zoning permits industrial use. 3. Reclaimed mining sites or other previously disturbed lands that offer large, open spaces. 4. Areas adjacent to existing power transmission lines or substations to facilitate grid connection. It's important to note that specific site selection would require detailed environmental and technical assessments, as well as consideration of local regulations and community input. However, the generally favorable topography and climate of the region make it potentially suitable for solar energy development, provided appropriate locations can be identified and secured.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!
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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 12th of January 2025
Last Updated: Monday 21st of July 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
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.




