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Flag of United StatesSolar PV Analysis of Loris, United States

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

Loris, South Carolina offers reasonably good conditions 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 provides the peak generation period with 6.43kWh per day per kW of installed capacity, making it an excellent time for maximum energy production. Spring follows closely behind at 6.08kWh per day per kW, offering nearly equivalent performance to summer months. Autumn sees a moderate decline to 4.46kWh per day per kW, which still represents decent energy generation. Winter presents the most challenging period for solar production, dropping to 2.85kWh per day per kW of installed capacity. This seasonal variation is typical for locations at this latitude but means homeowners and businesses should plan for reduced solar output during colder months.

Optimal Installation Setup

For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 30 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting for the varying solar potential across seasons.

Environmental and Weather Considerations

Several local factors in Loris, South Carolina can impact solar panel performance and require preventative measures during installation:
  • Hurricane and severe storm risk: The coastal proximity means potential exposure to high winds and storm damage. Panels should be installed with reinforced mounting systems rated for high wind loads and proper structural anchoring.
  • High humidity and salt air: The subtropical climate and relative closeness to the Atlantic Ocean can accelerate corrosion. Choose panels and mounting hardware with superior corrosion resistance and marine-grade coatings.
  • Heavy rainfall and thunderstorms: Frequent summer storms require excellent drainage design and proper electrical grounding to prevent water damage and lightning strikes.
  • Pollen and organic debris: The region's abundant vegetation produces significant pollen loads, especially in spring, which can reduce panel efficiency. Plan for regular cleaning schedules and consider tilted installations that allow natural rainfall to help wash panels clean.

Installation Best Practices

To maximize energy production despite these challenges, several preventative measures should be implemented. Use mounting systems specifically rated for coastal wind loads and ensure all electrical connections are properly sealed against moisture intrusion. Select panels with anti-reflective coatings that resist pollen and dirt buildup, and design the system layout to allow easy access for maintenance and cleaning. Consider installing monitoring systems that can detect performance drops due to soiling or weather damage. Proper tree trimming around the installation site will minimize shading from overhanging branches while reducing the accumulation of leaves and debris on panels. Despite these environmental considerations, Loris represents a viable location for solar energy generation, particularly given the strong performance during spring and summer months when energy demand for cooling is typically highest.

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 Loris

Seasonal solar PV output for Latitude: 34.0563, Longitude: -78.8903 (Loris, 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 6.43kWh/day in Summer.
Autumn
Average 4.46kWh/day in Autumn.
Winter
Average 2.85kWh/day in Winter.
Spring
Average 6.08kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Loris, United States (Lat/Long 34.0563, -78.8903) 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: 34.0563, Longitude: -78.8903, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Loris, 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 Loris, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Loris, United States as follows: In Summer, set the angle of your panels to 18° facing South. In Autumn, tilt panels to 39° facing South for maximum generation. During Winter, adjust your solar panels to a 49° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 26° angle facing South to capture the most solar energy in Loris, 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 Loris, 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 Loris, 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 Loris, United States

Topographical Features of the Loris Area

The region surrounding Loris, South Carolina is characterized by relatively flat to gently rolling terrain typical of the Atlantic Coastal Plain. This area sits at a modest elevation, generally ranging from 20 to 80 feet above sea level, with the landscape gradually sloping toward the Atlantic Ocean to the east. The topography consists primarily of low-lying plains interspersed with slight undulations and shallow depressions that often contain wetlands or small ponds. The terrain is predominantly composed of sandy soils and clay deposits left behind by ancient marine environments. Small creeks and tributaries meander through the landscape, creating subtle valleys and drainage patterns. These waterways, including branches of the Waccamaw River system, have carved gentle channels through the otherwise flat terrain over thousands of years. Forested areas dominate much of the landscape, with mixed pine and hardwood stands covering significant portions of the region. Agricultural fields, particularly those used for tobacco, soybeans, and corn, break up the forested areas and create open expanses across the relatively level ground. The combination of flat terrain and cleared agricultural land creates ideal conditions for large-scale development projects.

Optimal Areas for Solar Development

The flat to gently rolling topography around Loris presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the existing agricultural fields and cleared lands that already have minimal tree cover and relatively level ground. These locations would require minimal grading and site preparation, reducing installation costs and environmental impact. Areas with slight southern-facing slopes would be particularly advantageous, as they naturally optimize panel orientation for maximum solar exposure throughout the day. The gentle elevation changes in the region provide these subtle south-facing aspects without creating significant shading issues between panel rows. Former agricultural lands that are no longer in active production represent prime candidates for solar development. These areas typically have existing road access, cleared vegetation, and established property boundaries. The sandy soils common in the region also provide good drainage, which helps prevent water accumulation around solar installations and reduces maintenance concerns. The relatively stable geological conditions of the Coastal Plain make foundation installation straightforward for both ground-mounted systems and tracking arrays. The absence of significant rock outcroppings or steep terrain eliminates many of the challenges that can complicate large-scale solar projects in more mountainous regions. Areas near existing electrical infrastructure would be most practical for development, as the flat terrain makes power line routing and substation connections more cost-effective. The open landscape also facilitates maintenance access and reduces the need for extensive tree removal or terrain modification.

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 Loris, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 22nd of July 2025
Last Updated: Thursday 7th 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.

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