Piedmont, South Carolina, located in the Northern Sub Tropics, offers a relatively favorable environment for solar PV energy generation throughout the year. The location's seasonal solar output varies significantly, with peak production during summer months and reduced output in winter.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive 6.59 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 6.13 kWh/day. Autumn sees a moderate decline to 4.42 kWh/day, while winter experiences the lowest output at 2.86 kWh/day.

The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in Piedmont. Despite the winter dip, the location still maintains a respectable year-round average, making it a viable option for solar PV installations.

Optimal Panel Positioning

To maximize year-round solar energy production in Piedmont, fixed solar panels should be tilted at a 30-degree angle facing south. This orientation ensures optimal exposure to sunlight throughout the year, balancing the varying sun angles across seasons.

Environmental Considerations

While Piedmont's climate is generally conducive to solar energy production, there are a few environmental factors to consider:

1. Occasional severe weather events, including thunderstorms and rare winter storms, may temporarily impact solar output.
2. The region's humidity levels could potentially lead to increased dust accumulation on panels, slightly reducing efficiency over time.

To mitigate these factors, consider installing robust mounting systems capable of withstanding severe weather and implementing regular cleaning schedules for the panels. Additionally, using high-quality, weather-resistant solar equipment can help maintain consistent energy production despite environmental challenges.

Overall, Piedmont, South Carolina, presents a promising location for solar PV installations, with strong potential for energy generation, particularly during spring and summer months. While winter output is lower, the year-round performance remains satisfactory for residential and commercial solar applications.

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 Piedmont, South Carolina

Seasonal solar PV output for Latitude: 34.7023, Longitude: -82.4646 (Piedmont, 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 Piedmont, South Carolina, United States

To maximize your solar PV system's energy output in Piedmont, South Carolina, United States (Lat/Long 34.7023, -82.4646) 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 Piedmont, 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 Piedmont, 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	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 Piedmont, 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 Piedmont, South Carolina, 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 Piedmont, South Carolina, United States

The topography around Piedmont, United States, located at latitude 34.7023 and longitude -82.4646, is characterized by gently rolling hills and valleys typical of the Piedmont region in the southeastern United States. This area sits at the foot of the Blue Ridge Mountains, creating a transitional zone between the mountains to the northwest and the coastal plains to the southeast. The landscape surrounding Piedmont features a mix of low hills, shallow valleys, and numerous small streams and creeks. The elevation in this area generally ranges from about 700 to 1,000 feet above sea level, with some higher points reaching up to 1,200 feet. The terrain is mostly undulating, with gradual slopes and occasional steeper hillsides.

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 gently rolling terrain of the Piedmont region offers some advantages for solar development, as it provides a good balance between flat land and areas with slight slopes that can be oriented towards the sun. The most suitable areas for large-scale solar PV in the vicinity of Piedmont would likely be found on the broader, flatter hilltops and in open fields with southern exposure. These locations would receive maximum sunlight throughout the day and year, optimizing energy production. Additionally, areas with minimal tree cover and away from densely populated zones would be preferable. Some of the rural areas to the south and southeast of Piedmont, where the terrain becomes slightly flatter as it transitions towards the coastal plain, might offer ideal conditions for solar farms. These areas often have larger tracts of open land that could accommodate extensive solar panel arrays without significant topographical obstacles. It's important to note that while the topography in this region is generally favorable for solar development, site-specific assessments would be necessary to determine the most suitable locations. Factors such as local zoning regulations, proximity to electrical infrastructure, and environmental considerations would also play crucial roles in identifying the best areas for large-scale solar PV projects near Piedmont.

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.