Hamptonville, North Carolina presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variation typical of its Northern Temperate Zone climate.
Seasonal Solar Performance
The solar energy output at this location varies considerably throughout the year. Summer provides the strongest performance at 6.67 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.83 kWh per day per kW, offering nearly comparable output to summer months. Autumn sees a notable drop in production to 4.32 kWh per day per kW, while winter presents the most challenging conditions with only 2.62 kWh per day per kW. This represents a significant 60% reduction compared to peak summer output, which is typical for locations at this latitude.Optimal Panel Configuration
For maximum year-round energy production at Hamptonville, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying position throughout the year and the Earth's elliptical orbit.Local Factors Affecting Solar Production
Several environmental and weather factors in the Hamptonville area can impact solar energy generation:- Frequent cloud cover and overcast conditions, particularly during winter months
- High humidity levels that can reduce solar irradiance
- Seasonal storms and severe weather events
- Tree coverage and vegetation that may create shading issues
- Dust, pollen, and organic debris accumulation on panels
Preventative Measures for Better Performance
To maximize solar energy production despite these challenges, several installation strategies should be considered: Regular maintenance scheduling is crucial, including quarterly panel cleaning to remove pollen, dust, and organic matter that can significantly reduce efficiency. Installing panels with adequate spacing and proper drainage helps prevent debris accumulation. Careful site selection and preparation can minimize shading issues. This includes trimming or removing nearby trees and vegetation that could cast shadows on the solar array, particularly during the lower sun angles of winter months. Using high-quality mounting systems designed to withstand severe weather helps ensure long-term reliability. Additionally, installing panels with anti-reflective coatings and choosing equipment rated for high humidity environments can help maintain performance in North Carolina's climate conditions. Monitoring systems should be installed to quickly identify any performance issues, allowing for prompt maintenance and repairs that keep the system operating at optimal efficiency throughout the year.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 Hamptonville
Seasonal solar PV output for Latitude: 36.0985, Longitude: -80.7604 (Hamptonville, 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 Hamptonville, United States
To maximize your solar PV system's energy output in Hamptonville, United States (Lat/Long 36.0985, -80.7604) 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 Hamptonville, 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 Hamptonville, 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 |
|---|---|---|---|
| 20° South in Summer | 41° South in Autumn | 51° South in Winter | 29° 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 Hamptonville, 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 Hamptonville, 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 Hamptonville, United States
Topography Around Hamptonville, North Carolina
Hamptonville sits in the rolling foothills of the Blue Ridge Mountains in Yadkin County, North Carolina. The landscape here represents a transitional zone between the flatter Piedmont region to the east and the more mountainous terrain of the Appalachian range to the west. The elevation around Hamptonville typically ranges from about 800 to 1,200 feet above sea level, creating a gently undulating terrain with modest hills and valleys.
The topography is characterized by rounded hills separated by shallow valleys, with slopes that are generally moderate rather than steep. This rolling countryside is typical of the Carolina foothills, where ancient mountains have been worn down over millions of years into softer, more gradual contours. The area features a mix of agricultural land, pastures, and forested sections, with many cleared areas that offer good visibility and access.
Water features in the region include several small creeks and streams that flow through the valleys, eventually draining into larger river systems. The Yadkin River flows roughly parallel to this area, creating some of the broader, flatter valley floors in the region. These waterways have helped shape the local topography over time, creating the gentle valley systems that characterize much of the landscape.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations around Hamptonville would be the cleared agricultural areas and pastures that occupy many of the hilltops and gentle slopes throughout the region. These elevated areas typically offer excellent southern exposure with minimal shading from surrounding terrain or vegetation. The moderate slopes found on many of these hills are actually beneficial for solar installations, as they can provide optimal tilt angles for panels while ensuring good drainage.
The broader valley floors, particularly those near the Yadkin River corridor, present another excellent opportunity for solar development. These areas tend to be relatively flat with good access to existing infrastructure, including roads and electrical transmission lines. Many of these valley locations have been cleared for agriculture, eliminating the need for extensive tree removal and reducing development costs.
Areas to the southeast and southwest of Hamptonville appear particularly promising, as they combine favorable topography with existing cleared land. The rolling hills in these directions offer numerous south-facing slopes that would be ideal for solar panel orientation. Additionally, these areas are generally free from the steeper terrain and dense forest cover that might be found closer to the Blue Ridge Mountains to the west.
The existing agricultural infrastructure in the region, including farm roads and cleared fence lines, would facilitate access for construction and maintenance of solar installations. The relatively stable soil conditions typical of this foothills region would also support the foundation requirements for large solar arrays without the complications that might arise in steeper mountain terrain or areas with problematic soil conditions.
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: Wednesday 16th of July 2025
Last Updated: Wednesday 6th 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.




