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Flag of United StatesSolar PV Analysis of Whispering Pines, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Whispering Pines, United States (by season)

Whispering Pines, North Carolina shows good potential for year-round solar energy generation, though with notable seasonal variations that are typical for locations in the Northern Temperate Zone.

Seasonal Solar Performance

The solar output data reveals a clear seasonal pattern at this location. Summer delivers the strongest performance at 6.61 kWh per day per kW of installed capacity, making it the peak season for solar generation. Spring follows closely behind with 6.00 kWh per day, representing excellent conditions for solar energy production. Autumn sees a moderate decline to 4.39 kWh per day, which still provides decent energy output. Winter presents the most challenging conditions with 2.76 kWh per day, though this reduced output is expected given the location's latitude and seasonal sun patterns. The ideal times for solar generation at Whispering Pines are clearly summer and spring, when the combination of longer days and higher sun angles creates optimal conditions. Even during the lower-production months of autumn and winter, the system continues generating meaningful amounts of electricity.

Optimal Panel Installation

For fixed panel installations at Whispering Pines, the ideal tilt angle is 31 degrees facing south. This angle maximizes total year-round solar production by optimizing the panels' exposure to the sun throughout all seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Whispering Pines area could impact solar panel performance:
  • Pine pollen during spring months can create a thick coating on panels, significantly reducing efficiency
  • Frequent thunderstorms and heavy rainfall, particularly in summer, can temporarily reduce solar output
  • High humidity levels common in North Carolina can lead to moisture-related efficiency losses
  • Occasional ice storms in winter may damage panels or reduce production
  • Dense tree coverage typical of pine forests can create shading issues

Preventative Measures for Better Performance

Several steps can help maintain optimal solar production despite these challenges:
  • Install regular cleaning systems or schedule frequent maintenance during pollen season
  • Choose panels with anti-reflective coatings that perform better in humid conditions
  • Ensure proper drainage and ventilation around panels to prevent moisture buildup
  • Select mounting systems rated for severe weather and ice loading
  • Conduct thorough site surveys to identify and remove potential shading from trees
  • Consider micro-inverters or power optimizers to minimize impact from partial shading
Overall, Whispering Pines offers solid solar potential year-round, with particularly strong performance during spring and summer months. While local environmental factors require attention during installation and maintenance, proper planning and equipment selection can help ensure reliable solar energy production 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 Whispering Pines

Seasonal solar PV output for Latitude: 35.3076, Longitude: -79.3952 (Whispering Pines, 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:

Summer
Average 6.61kWh/day in Summer.
Autumn
Average 4.39kWh/day in Autumn.
Winter
Average 2.76kWh/day in Winter.
Spring
Average 6.00kWh/day in Spring.

 

Ideally tilt fixed solar panels 31° South in Whispering Pines, United States

To maximize your solar PV system's energy output in Whispering Pines, United States (Lat/Long 35.3076, -79.3952) 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.

The sun
At Latitude: 35.3076, Longitude: -79.3952, the ideal angle to tilt panels is 31° South

Seasonally adjusted solar panel tilt angles for Whispering Pines, 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 Whispering Pines, 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 51° South in Winter 28° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Whispering Pines, United States as follows: In Summer, set the angle of your panels to 19° facing South. In Autumn, tilt panels to 40° facing South for maximum generation. During Winter, adjust your solar panels to a 51° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 28° angle facing South to capture the most solar energy in Whispering Pines, United States.

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 Whispering Pines, 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 Whispering Pines, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Whispering Pines, United States

Topographical Features of the Whispering Pines Region

The area around Whispering Pines sits within the gently rolling landscape of the North Carolina Sandhills, a distinctive geographical region characterized by its sandy soils and undulating terrain. This region represents a transitional zone between the flatter Coastal Plain to the southeast and the more mountainous Piedmont region to the northwest. The elevation in and around Whispering Pines typically ranges from approximately 400 to 600 feet above sea level, creating a landscape of modest hills and shallow valleys.

The topography here is notably less dramatic than the nearby Piedmont, with slopes that are generally gentle to moderate. The sandy soil composition, a legacy of ancient marine deposits, has been shaped over millennia by wind and water erosion, resulting in the characteristic rolling hills that define the Sandhills region. Pine forests dominate much of the landscape, interspersed with areas of cleared land used for agriculture, residential development, and recreational purposes including golf courses.

The drainage patterns in this area are relatively well-defined, with small creeks and streams flowing through the valleys between the sandy ridges. These waterways generally trend in a southeasterly direction toward the Cape Fear River basin. The porous nature of the sandy soils means that surface water features are often seasonal or intermittent, with much of the precipitation infiltrating into the groundwater system.

Optimal Areas for Large-Scale Solar Development

The most promising locations for large-scale solar photovoltaic installations in the Whispering Pines vicinity would be the broader, flatter ridge tops and gentle south-facing slopes that characterize much of the Sandhills terrain. These elevated areas offer several advantages for solar development, including minimal shading from surrounding topography and good natural drainage that reduces concerns about equipment flooding or moisture-related issues.

The cleared agricultural lands and former timber harvest areas scattered throughout the region present particularly attractive opportunities for solar development. These locations often feature relatively level terrain with established access roads and existing utility infrastructure nearby. The sandy soils, while presenting some engineering considerations for foundation design, are generally easier to work with during construction compared to the clay-heavy soils found in other parts of North Carolina.

Areas to the south and southeast of Whispering Pines, where the terrain begins to flatten as it transitions toward the Coastal Plain, would be especially well-suited for large solar installations. These locations combine the benefits of level topography with good accessibility via existing transportation networks. The reduced tree cover in these transitional zones also minimizes the need for extensive clearing operations.

Conversely, the steeper slopes and heavily forested areas, particularly those facing north or heavily shaded by surrounding ridges, would be less suitable for solar development. The narrow valleys and areas prone to seasonal flooding should also be avoided. The most challenging terrain for solar installation would be found in the more dissected areas where the Sandhills begin to transition toward the Piedmont, where slopes become steeper and the topography more complex.

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

Article: Solar PV Analysis of Whispering Pines, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 7th 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.

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