Boiling Springs, South Carolina presents a moderately good location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should carefully consider.
Seasonal Solar Performance
The solar energy output at this location shows significant seasonal fluctuation. Summer delivers the strongest performance at 6.59 kWh per day per kilowatt of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.98 kWh per day per kW, providing nearly comparable output to summer months. Autumn sees a notable drop to 4.42 kWh per day per kW, while winter presents the most challenging conditions with only 2.83 kWh per day per kW. This winter output represents less than half of the summer production, highlighting the importance of proper system sizing to meet year-round energy needs.Optimal Panel Configuration
For fixed panel installations at Boiling Springs, the ideal tilt angle is 31 degrees facing south to maximize total year-round solar production. This angle represents the optimal balance across all seasons, accounting for the sun's changing position throughout the year and the varying solar irradiance levels at this latitude.Environmental and Weather Challenges
Several local factors in the Boiling Springs area can impact solar energy production:- High humidity levels typical of South Carolina can reduce solar panel efficiency
- Frequent thunderstorms and severe weather events during summer months
- Potential for ice storms in winter that can damage panels or reduce output
- Heavy pollen seasons that can coat panels and reduce light transmission
- Occasional hail events during severe thunderstorms
Preventative Installation Measures
To maximize solar energy production despite these challenges, several installation strategies prove beneficial. Proper panel mounting systems should be engineered to withstand high winds and potential ice loading, using reinforced mounting hardware rated for the local wind and snow load requirements. Regular cleaning schedules become particularly important during pollen season, typically in spring. Installing panels with anti-reflective coatings and smooth surfaces can help minimize pollen accumulation and make cleaning more effective. Adequate spacing between panel rows helps improve air circulation, which reduces the efficiency losses caused by high humidity and heat. This spacing also allows for easier maintenance access and reduces shading between panel rows. Consider installing micro-inverters or power optimizers rather than string inverters, as these can help maintain system performance even when individual panels are partially shaded or soiled. Additionally, ensuring proper grounding and surge protection becomes crucial given the area's thunderstorm activity. The moderate year-round solar potential at Boiling Springs makes it a viable location for solar installations, particularly when systems are properly designed to handle local environmental conditions and seasonal variations in output.Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° 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 Boiling Springs
Seasonal solar PV output for Latitude: 35.046, Longitude: -81.981 (Boiling Springs, 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 Boiling Springs, United States
To maximize your solar PV system's energy output in Boiling Springs, United States (Lat/Long 35.046, -81.981) 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 Boiling Springs, 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 Boiling Springs, 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 | 28° 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 Boiling Springs, 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 Boiling Springs, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Boiling Springs, United States
Topography Around Boiling Springs
Boiling Springs sits in the foothills of the Blue Ridge Mountains in western North Carolina, positioned at an elevation of approximately 900 feet above sea level. The landscape around this small town is characterized by gently rolling hills and ridges that gradually rise toward the more dramatic peaks of the Appalachian chain to the west and north. The terrain features a mix of undulating farmland, wooded slopes, and creek valleys that drain toward the Broad River system.
The immediate vicinity displays the typical Piedmont-to-mountain transition zone topography, with moderately steep slopes interspersed with flatter valley bottoms and ridge tops. Many of the hills rise 200 to 400 feet above the surrounding valleys, creating a landscape of moderate relief. The area is crossed by numerous small streams and creeks that have carved shallow valleys through the terrain over thousands of years.
Vegetation consists primarily of mixed hardwood and pine forests on the steeper slopes, while agricultural fields and pastures occupy much of the gentler terrain. The soil composition includes both clay-rich Piedmont soils and the more rocky, well-drained soils typical of mountain foothills.
Optimal Areas for Large-Scale Solar Development
The most promising locations for large-scale solar photovoltaic installations around Boiling Springs would be the broad, south-facing slopes and ridge tops that extend throughout the region. These elevated areas typically offer excellent solar exposure while maintaining relatively gentle grades suitable for panel installation and maintenance access.
The agricultural valleys and former farmland present particularly attractive opportunities, as these areas have already been cleared of trees and often feature relatively flat or gently sloping terrain. Many of these sites have existing road access and electrical infrastructure nearby, which would reduce development costs significantly. The ridge systems running roughly east-west through the area provide numerous south-facing slopes with minimal shading concerns.
Areas to the south and southeast of Boiling Springs appear especially well-suited, where the terrain opens up into broader valleys with less dramatic elevation changes. These locations would allow for larger contiguous solar arrays while maintaining good solar exposure throughout the day. The slightly elevated positions of many potential sites would also provide natural drainage, reducing concerns about water accumulation around solar installations.
Developers would want to avoid the steeper mountain slopes to the north and west, where installation costs would be higher and maintenance more challenging. Similarly, the narrow creek valleys and heavily forested areas would present obstacles for large-scale development, though they might be suitable for smaller distributed installations.
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
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.
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.




