Kingstree, South Carolina presents a moderately favorable location for year-round solar energy generation, situated in the Northern Sub Tropics at coordinates 33.6677, -79.8306. The area experiences significant seasonal variation in solar production, with excellent performance during warmer months and reduced output during winter.

Seasonal Solar Performance

The solar energy production at this location follows a clear seasonal pattern. Spring offers the highest output at 6.38 kWh per day per kW of installed capacity, closely followed by summer at 6.24 kWh per day. These represent the ideal times for solar generation at this location, providing nearly 2.5 times more energy than the winter months. Autumn production drops to 4.51 kWh per day, while winter represents the least productive season at just 2.90 kWh per day per kW installed. Despite this winter dip, the location still maintains reasonable year-round viability for solar installations. For optimal performance with a fixed panel installation at this location, panels should be tilted at 29 degrees facing South to maximize total annual production.

Environmental and Weather Challenges

Several factors in the Kingstree area can impact solar panel efficiency and require careful consideration during installation:

• High humidity and moisture: The subtropical climate creates conditions that can lead to corrosion of electrical components and reduced panel efficiency over time
• Severe weather events: The region experiences hurricanes, thunderstorms, and high winds that can damage solar installations
• Heavy rainfall: While rain can help clean panels, excessive moisture can cause electrical issues and flooding concerns
• Heat and temperature fluctuations: High summer temperatures can reduce panel efficiency, while thermal cycling can stress components

Preventative Installation Measures

To maximize energy production and system longevity in Kingstree's climate, several installation strategies prove essential: Choose marine-grade or corrosion-resistant mounting hardware and electrical components specifically designed for high-humidity environments. Ensure all electrical connections use weatherproof enclosures and apply appropriate sealants to prevent moisture infiltration. Install panels with adequate ventilation space underneath to promote air circulation and reduce heat buildup during hot summer months. This helps maintain panel efficiency when temperatures soar. Design the mounting system to withstand high wind loads typical of the region's severe weather. Use reinforced racking systems and ensure proper structural attachment to the building. Consider impact-resistant panels in areas prone to hail or flying debris during storms. Implement proper drainage around ground-mounted systems to prevent water accumulation during heavy rainfall periods. Elevate electrical components above potential flood levels and use appropriate conduit systems to protect wiring. Regular maintenance becomes particularly important in this climate, including periodic cleaning to remove accumulated dirt, pollen, and organic matter that can reduce panel efficiency, especially during the high-pollen spring season when production peaks.

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 Kingstree

Seasonal solar PV output for Latitude: 33.6677, Longitude: -79.8306 (Kingstree, 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 29° South in Kingstree, United States

To maximize your solar PV system's energy output in Kingstree, United States (Lat/Long 33.6677, -79.8306) throughout the year, you should tilt your panels at an angle of 29° 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 Kingstree, 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 Kingstree, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
17° 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 Kingstree, 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 Kingstree, 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.

Topography for solar PV around Kingstree, United States

Topography Around Kingstree

Kingstree sits in the heart of South Carolina's Coastal Plain region, characterized by remarkably flat and low-lying terrain. The landscape around this area consists primarily of gentle, rolling plains with minimal elevation changes, creating an expansive vista of relatively uniform topography. The region lies at a modest elevation, with the surrounding countryside featuring subtle undulations rather than dramatic hills or valleys.

The area is part of the broader Atlantic Coastal Plain, which extends inland from the ocean and creates a landscape dominated by sandy soils and flat agricultural fields. Numerous small creeks and waterways meander through the region, including the Black River system, which has carved shallow channels through the otherwise level terrain. These waterways are surrounded by floodplains and wetland areas that remain relatively flat but may experience seasonal flooding.

Pine forests and mixed woodlands are scattered throughout the region, typically growing on slightly elevated areas that provide better drainage. Between these forested patches lie extensive agricultural fields, particularly those used for row crops, which take advantage of the level ground and fertile soils. The overall impression is one of a gently rolling landscape with broad, open spaces and minimal topographic barriers.

Optimal Areas for Large-Scale Solar Development

The flat to gently rolling topography around Kingstree presents excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the elevated agricultural fields and cleared pasturelands that offer level ground with good drainage characteristics. These locations provide the stable, even surfaces needed for efficient solar panel mounting while avoiding the complications that come with steep slopes or uneven terrain.

Former agricultural fields that are no longer in active cultivation represent particularly attractive sites for solar development. These areas typically have already been cleared of trees and leveled for farming operations, reducing the site preparation costs associated with solar installations. The existing field boundaries and access roads also provide infrastructure advantages for construction and maintenance activities.

Areas to avoid would include the floodplains adjacent to the Black River and other waterways, where seasonal flooding could pose risks to solar equipment. Similarly, the lower-lying wetland areas and their buffer zones would be unsuitable due to environmental restrictions and unstable ground conditions. The densely forested areas, while potentially suitable from a topographic standpoint, would require extensive clearing that could prove environmentally sensitive and economically challenging.

The region's network of rural roads provides good access to many potential solar sites, which is crucial for both construction logistics and ongoing maintenance operations. The relatively sparse population density in the agricultural areas around Kingstree also means there are fewer potential land use conflicts compared to more densely developed regions, making it easier to identify large contiguous parcels suitable for utility-scale solar development.

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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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.