Hartsville, South Carolina presents a moderately favorable location for year-round solar energy generation, though with notable seasonal variations typical of its Northern Sub Tropical climate zone.

Seasonal Solar Performance

The solar energy output at this location shows strong seasonal patterns. Summer delivers the highest production at 6.55 kWh per day per kW of installed capacity, making it the peak generation season. Spring follows closely behind with 6.12 kWh per day per kW, offering nearly equivalent performance. Autumn drops to 4.48 kWh per day per kW, while winter presents the most challenging conditions with only 2.88 kWh per day per kW of production. This seasonal variation means that solar installations in Hartsville will generate approximately 2.3 times more energy during peak summer months compared to winter. The strong spring and summer performance indicates this location experiences favorable solar conditions for roughly half the year.

Optimal Panel Configuration

For fixed panel installations at this location, the ideal tilt angle is 30 degrees facing south to maximize total year-round solar production. This angle has been calculated by analyzing daily solar elevation angles throughout the year and weighting them according to solar irradiance data to determine the optimal compromise for all seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Hartsville area can impact solar energy generation:

• Humidity and atmospheric moisture: The subtropical climate brings high humidity levels, especially during summer months, which can reduce solar irradiance reaching panels
• Thunderstorms and cloud cover: Frequent afternoon and evening thunderstorms during summer can temporarily reduce daily energy production
• Pollen and organic debris: Heavy pollen seasons in spring and falling leaves in autumn can accumulate on panels, blocking sunlight
• Ice and frost: Occasional winter weather events may temporarily cover panels with ice or frost

Preventative Measures for Maximum Production

Several strategies can help maintain optimal solar performance despite these local challenges:

• Regular cleaning schedule: Implement monthly panel cleaning during pollen season and quarterly cleaning throughout the year
• Proper mounting and spacing: Install panels with adequate airflow underneath to reduce moisture buildup and improve cooling
• Tilt optimization: The recommended 30-degree tilt helps panels shed water, debris, and light snow more effectively
• Quality inverters and monitoring: Install monitoring systems to quickly identify performance drops due to weather or debris accumulation

Despite these considerations, Hartsville's location offers reasonable solar potential, particularly during the extended warm season from spring through early autumn when production levels remain consistently strong.

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 Hartsville

Seasonal solar PV output for Latitude: 34.3789, Longitude: -80.0831 (Hartsville, 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 Hartsville, United States

To maximize your solar PV system's energy output in Hartsville, United States (Lat/Long 34.3789, -80.0831) 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 Hartsville, 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 Hartsville, 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	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 Hartsville, 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 Hartsville, 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 Hartsville, United States

Topographical Features of the Hartsville Region

Hartsville, South Carolina sits within the gently rolling terrain of the Inner Coastal Plain, a geographical region characterized by relatively modest elevation changes and predominantly flat to gently sloping landscapes. The area lies at an elevation of approximately 200 feet above sea level, positioned between the more mountainous Piedmont region to the northwest and the flatter Atlantic Coastal Plain to the southeast.

The topography around Hartsville consists primarily of broad, low ridges separated by shallow valleys and creek bottoms. These ridges rarely exceed 300 feet in elevation, creating a landscape that undulates gently across the countryside. The terrain slopes very gradually toward the southeast, following the natural drainage patterns that eventually lead to the Atlantic Ocean.

Several waterways traverse the region, including the Lynches River and numerous smaller creeks and tributaries. These water features have carved shallow valleys through the landscape over thousands of years, creating a network of bottomlands that are typically 20 to 40 feet lower than the surrounding uplands. The bottomlands tend to be relatively narrow, rarely extending more than a mile in width.

Soil Composition and Land Use Patterns

The soils in the Hartsville area consist primarily of sandy loams and clay loams that formed from ancient marine sediments and weathered crystalline rocks. These well-drained soils on the upland areas support a mixture of agricultural land, managed forests, and scattered residential development. The region has historically been used for tobacco, cotton, and soybean cultivation, with many fields now lying fallow or converted to other uses.

Forested areas dominate much of the landscape, consisting mainly of loblolly pine plantations and mixed hardwood-pine forests. These managed timber stands create relatively uniform canopy coverage across large expanses of the countryside, particularly on the slightly rolling uplands between creek valleys.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Hartsville would be the broad, gently sloping upland areas that rise above the creek bottoms and river valleys. These elevated plains offer several advantages for solar development, including excellent drainage, minimal risk of flooding, and relatively uniform terrain that requires less grading and site preparation.

The areas immediately north and west of Hartsville present particularly favorable conditions, where the landscape consists of wide, gently rolling ridges with slopes typically ranging from one to five percent. These gradual slopes provide natural drainage while remaining gentle enough to accommodate large solar arrays without extensive earthwork or terracing.

Former agricultural fields scattered throughout the region represent prime candidates for solar development, as they already feature cleared land with established access routes. Many of these fields occupy the higher, better-drained portions of the landscape and offer substantial acreage in consolidated parcels. The transition from agricultural use to solar installations would require minimal environmental disruption compared to forested sites.

Areas to avoid for large-scale solar development include the creek bottoms and river floodplains, which experience periodic flooding and feature poorly drained soils. Additionally, the steeper slopes along creek banks and the edges of river valleys would present engineering challenges and potential erosion concerns. The most heavily forested areas, while potentially suitable from a topographical standpoint, would require significant clearing and might face greater environmental permitting challenges.

The relatively uniform nature of the terrain throughout much of the Hartsville region means that site selection can focus primarily on factors such as land availability, proximity to electrical infrastructure, and local zoning considerations rather than being constrained by dramatic topographical limitations.

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.