Old Point Station, South Carolina shows strong potential for year-round solar energy generation, with the location producing consistently good electricity output across most seasons. This Northern Sub Tropical location at coordinates 34.9781, -80.8541 demonstrates the typical solar patterns expected for the southeastern United States.

Seasonal Solar Performance

The solar energy output at Old Point Station varies significantly throughout the year, reflecting the natural seasonal changes in sun angle and daylight duration. Summer delivers the highest production at 6.55 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows closely behind with 6.12 kWh per day per kW, indicating excellent conditions for solar energy production during these warmer months. Autumn sees a noticeable decline to 4.48 kWh per day per kW, while winter drops to the lowest output at 2.88 kWh per day per kW of installed capacity. Despite this winter reduction, the location still maintains reasonable solar production year-round, which is characteristic of its southern latitude and subtropical climate.

Optimal Installation Configuration

For maximum year-round energy production at Old Point Station, solar panels should be installed at a fixed tilt angle of 31 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 irradiance levels across seasons.

Environmental and Weather Factors

Several local factors in South Carolina could potentially impact solar energy production at this location:

• High humidity and moisture: The subtropical climate brings elevated humidity levels that can reduce panel efficiency and promote dirt accumulation
• Frequent thunderstorms: Summer afternoon storms are common in this region, temporarily reducing solar output
• Pollen and organic debris: Heavy pollen seasons and falling leaves can coat panels and reduce light transmission
• Hurricane and severe weather risk: The location's proximity to the Atlantic coast creates potential for damaging storms

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several installation strategies should be considered. Regular cleaning schedules become particularly important in this humid environment, with panels requiring more frequent washing to remove pollen, dust, and organic matter that accumulates more readily in moist conditions. Proper mounting systems designed for high wind loads are essential given the hurricane risk in South Carolina. Panels should be installed with adequate spacing to allow air circulation, which helps reduce the efficiency losses associated with high temperatures and humidity. Additionally, choosing panels with good low-light performance can help maintain output during the frequent cloudy periods that accompany thunderstorms. Installing monitoring systems allows for quick identification of performance issues, while ensuring proper drainage around ground-mounted systems prevents water damage during heavy rainfall events common to the region.

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 Old Point Station

Seasonal solar PV output for Latitude: 34.9781, Longitude: -80.8541 (Old Point Station, 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 31° South in Old Point Station, United States

To maximize your solar PV system's energy output in Old Point Station, United States (Lat/Long 34.9781, -80.8541) throughout the year, you should tilt your panels at an angle of 31° 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 Old Point Station, 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 Old Point Station, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
19° 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 Old Point Station, 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 Old Point Station, 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 Old Point Station, United States

Topographical Features of Old Point Station

Old Point Station sits within the gently rolling terrain characteristic of the North Carolina Piedmont region, where the landscape transitions between the coastal plain to the east and the Appalachian foothills to the west. The area features relatively modest elevation changes, with the local topography consisting primarily of low hills, shallow valleys, and gradual slopes that rarely exceed moderate grades. The immediate vicinity around Old Point Station displays the typical Piedmont pattern of undulating farmland and mixed forest, with elevations generally ranging between 400 and 600 feet above sea level. Small creeks and tributaries have carved subtle drainage patterns through the landscape over millennia, creating a network of gentle valleys separated by rounded ridgelines. The terrain lacks dramatic elevation changes or steep escarpments, instead presenting a series of rolling hills that provide good drainage while maintaining relatively stable soil conditions.

Soil and Geological Characteristics

The underlying geology consists primarily of weathered crystalline rocks typical of the Piedmont, which have broken down over time to form clay-rich soils with good structural integrity. These soils generally provide stable foundations for construction projects while maintaining adequate drainage properties. The area experiences minimal risk from geological hazards such as landslides or significant erosion, making it well-suited for infrastructure development. Agricultural use has historically dominated much of the surrounding landscape, indicating that the soils possess reasonable fertility and workability. The presence of established farming operations also suggests that large, relatively flat parcels of land exist in the vicinity, which could potentially be repurposed for alternative land uses.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar installations would be found on the broader, flatter ridge tops and gentle south-facing slopes that characterize much of the surrounding agricultural land. These elevated areas typically offer the best combination of minimal grading requirements, good drainage, and reduced shading from surrounding terrain features. Former agricultural fields and pastureland present particularly attractive opportunities, as these areas have already been cleared and leveled to some degree. The existing field patterns often provide contiguous parcels of sufficient size to accommodate large solar arrays while maintaining efficient layouts that minimize infrastructure costs. Areas along the broader valley floors could also prove suitable, provided they demonstrate adequate drainage and avoid potential flooding zones associated with local waterways. These flatter areas would require minimal site preparation and could accommodate solar tracking systems if desired, though careful attention to drainage patterns would be essential. The gentle nature of most slopes in the region means that many areas with southern exposure could be developed without extensive grading or terracing. However, the most cost-effective installations would likely focus on the flatter agricultural areas and broad ridge tops where construction complexity and associated costs would remain minimal while still providing excellent solar exposure throughout the day.

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.