Yadkinville, North Carolina offers moderately good conditions for year-round solar energy generation, though with significant seasonal variation typical of its Northern Temperate Zone location.
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 kilowatt of installed solar 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 decline in solar production, dropping to 4.32 kWh per day per kW. Winter presents the most challenging conditions for solar generation, with output falling to just 2.62 kWh per day per kW - less than half of summer production levels. For fixed panel installations at this location, the optimal tilt angle is 31 degrees facing south to maximize total year-round energy production.Local Factors Affecting Solar Production
Several environmental and weather factors in the Yadkinville area can impact solar panel efficiency:- Humidity and moisture: North Carolina's humid subtropical climate can lead to moisture buildup on panels, reducing light transmission
- Pollen accumulation: The region experiences heavy pollen seasons, particularly in spring, which can coat panels and significantly reduce output
- Storm activity: Summer thunderstorms and occasional severe weather can damage panels or create temporary shading from cloud cover
- Tree coverage: The area's abundant vegetation can create shading issues, especially during lower sun angles in winter
Preventative Measures for Optimal Performance
To maximize solar energy production despite these challenges, several installation strategies prove effective. Regular cleaning schedules become essential, particularly during pollen season and after storms. Installing panels with adequate spacing allows for proper air circulation and easier maintenance access. Careful site selection helps avoid areas prone to tree shading, while proper drainage around the installation prevents water accumulation. Using high-quality mounting systems designed for local weather conditions ensures panels remain secure during severe weather events. Anti-soiling coatings on panels can reduce the frequency of cleaning needed, while monitoring systems help identify performance drops quickly so maintenance can be scheduled promptly.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 Yadkinville
Seasonal solar PV output for Latitude: 36.1277, Longitude: -80.653 (Yadkinville, 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 Yadkinville, United States
To maximize your solar PV system's energy output in Yadkinville, United States (Lat/Long 36.1277, -80.653) 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 Yadkinville, 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 Yadkinville, 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 Yadkinville, 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 Yadkinville, 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 Yadkinville, United States
Topographical Features Around Yadkinville
Yadkinville sits in the gently rolling hills of north-central North Carolina, positioned within the Piedmont region between the coastal plains to the east and the Appalachian Mountains to the west. The terrain around this Yadkin County seat is characterized by moderate elevation changes, with the town itself located at approximately 900 feet above sea level. The landscape features a series of low ridges and shallow valleys that create an undulating topography typical of the Carolina Piedmont.
The Yadkin River flows roughly east-west through the southern portion of the area, creating broader floodplains and more level terrain along its course. Moving away from the river valley, the land gradually rises into gentle hills and ridges that rarely exceed 1,200 feet in elevation. These hills are generally rounded rather than steep, having been worn smooth by millions of years of erosion. The slopes are typically gradual enough to support agriculture and development, though some steeper sections exist where harder rock formations have resisted weathering.
Agricultural fields dominate much of the surrounding countryside, interspersed with patches of mixed hardwood and pine forests. The soil composition includes clay-rich Piedmont soils that can present both opportunities and challenges for large-scale development projects. Stream networks have carved numerous small valleys throughout the region, creating a dendritic drainage pattern that feeds into the Yadkin River system.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for extensive solar photovoltaic installations around Yadkinville would be the relatively flat to gently rolling agricultural areas, particularly those situated on south-facing slopes or level ground. The broad floodplains and terraces along the Yadkin River corridor offer some of the most level terrain in the region, though proximity to the river would require careful consideration of flood zones and wetland regulations.
The low ridges and hilltops throughout the area present excellent opportunities for solar development, especially those with southern exposures that would maximize solar collection throughout the day. These elevated positions often provide clearer sight lines to the sky with minimal shading from surrounding vegetation or structures. The gentle nature of most slopes in the region means that many hillsides could accommodate solar arrays without requiring extensive grading or terracing.
Open agricultural land, particularly larger consolidated farm properties, would be ideal candidates for solar development due to their existing cleared status and typically level to gently sloping terrain. Many of these areas already have established access roads and may be located near existing electrical infrastructure, which would facilitate grid connection for large solar installations.
Areas to avoid would include the steeper hillsides found in the more rugged sections of the region, heavily forested areas where clearing would be environmentally problematic or economically unfeasible, and locations within floodplains or near wetlands where environmental regulations might restrict development. The numerous small stream valleys throughout the region, while often level, may be too narrow or environmentally sensitive for large-scale solar development.
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: Sunday 10th of August 2025
Last Updated: Monday 11th 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.




