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Flag of United StatesSolar PV Analysis of Smithville, North Carolina, United States

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

Solar Energy Potential in Smithville, North Carolina

Smithville, North Carolina, located in the Northern Sub Tropics at coordinates 33.9654, -78.0359, offers promising conditions for solar PV energy generation throughout the year. The location experiences significant seasonal variations in solar energy production that potential solar adopters should consider.

Seasonal Solar Production

The solar energy output in Smithville follows a predictable seasonal pattern. Summer yields the highest production at 6.45kWh per day for each kilowatt of installed capacity. Spring follows closely behind with 6.41kWh/day, making these the two most productive seasons for solar generation in this location. Autumn sees a moderate decrease to 4.52kWh/day, while winter experiences the lowest production at 2.92kWh/day per kilowatt of installed capacity. This winter reduction is expected in the Northern Hemisphere but remains productive enough to contribute to annual energy needs.

Optimal Panel Installation

For fixed panel installations in Smithville, the ideal tilt angle to maximize year-round solar production is 30 degrees facing South. This angle optimizes the capture of solar energy across all seasons, balancing the higher summer sun with the lower winter sun position.

Environmental Considerations

Several environmental factors relevant to Smithville could affect solar production:
  • Hurricane exposure: Smithville's coastal proximity in North Carolina makes it vulnerable to Atlantic hurricanes, which can damage solar installations. Reinforced mounting systems and panels rated for high wind loads are recommended.
  • Salt air exposure: The nearby ocean introduces corrosive salt air that can degrade equipment over time. Using marine-grade components and protective coatings can significantly extend system lifespan.
  • Seasonal humidity: High humidity levels, particularly in summer, can slightly reduce panel efficiency. Regular cleaning to remove any resulting mildew or organic growth is advisable.

Maximizing Production Potential

Despite winter's lower output, Smithville's location offers good year-round solar potential. The combined spring and summer production is particularly strong, making this an attractive location for solar PV installations. The moderate autumn production also contributes significantly to annual energy generation. With proper installation at the recommended 30-degree tilt angle and appropriate measures to address environmental factors, solar PV systems in Smithville can provide reliable renewable energy throughout the year, with peak production occurring from late spring through early fall.

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 Smithville, North Carolina

Seasonal solar PV output for Latitude: 33.9654, Longitude: -78.0359 (Smithville, North Carolina, 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 6.45kWh/day in Summer.
Autumn
Average 4.52kWh/day in Autumn.
Winter
Average 2.92kWh/day in Winter.
Spring
Average 6.41kWh/day in Spring.

 

Ideally tilt fixed solar panels 30° South in Smithville, North Carolina, United States

To maximize your solar PV system's energy output in Smithville, North Carolina, United States (Lat/Long 33.9654, -78.0359) 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.

The sun
At Latitude: 33.9654, Longitude: -78.0359, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Smithville, North Carolina, 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 Smithville, North Carolina, 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 49° South in Winter 26° 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 Smithville, North Carolina, United States as follows: In Summer, set the angle of your panels to 18° facing South. In Autumn, tilt panels to 39° facing South for maximum generation. During Winter, adjust your solar panels to a 49° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 26° angle facing South to capture the most solar energy in Smithville, North Carolina, 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 Smithville, North Carolina, 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 Smithville, North Carolina, 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 Smithville, North Carolina, United States

Smithville, located in Brunswick County, North Carolina, sits within a coastal plain region characterized by a relatively flat topography. The area around Smithville features elevations that generally remain below 50 feet above sea level, with gentle undulations rather than dramatic changes in elevation. This coastal plain extends several miles inland from the Atlantic Ocean, creating a landscape dominated by sandy soils, wetlands, and numerous waterways. The immediate vicinity of Smithville includes several creeks and tributaries that feed into the Cape Fear River and eventually the Atlantic Ocean. These waterways have shaped the local topography, creating natural drainage patterns and occasional marshy areas. The land gradually rises as one moves westward from the coast, but the increases in elevation remain modest throughout Brunswick County.

Soil and Ground Characteristics

The soils around Smithville consist predominantly of sandy loams typical of coastal North Carolina. These soils generally offer good drainage in elevated areas, while lower-lying sections may retain more moisture. The water table is relatively high throughout much of the region, especially in areas closer to existing waterways or the coast. The flat terrain has historically supported agricultural activities, pine forests, and coastal vegetation communities. Human development has modified portions of the natural landscape, creating cleared areas for residential, commercial, and agricultural purposes.

Potential Areas for Solar Development

For large-scale solar photovoltaic (PV) development, several factors make certain areas around Smithville particularly suitable. The most promising locations would be: Former agricultural lands located on slightly elevated ground would be ideal candidates for solar PV development. These areas typically offer the advantages of being already cleared, having minimal shading from tall vegetation, and possessing better drainage characteristics than lowland areas. The western portions of Brunswick County, where the elevation increases slightly, may offer better protection from coastal flooding concerns while still maintaining the flat terrain that simplifies solar array construction and minimizes grading costs. Areas that are set back from immediate coastal zones would reduce exposure to salt spray, which can accelerate corrosion of solar equipment. These inland locations would still benefit from the region's abundant sunshine while minimizing maintenance challenges associated with coastal proximity. Locations near existing electrical infrastructure, particularly along major transportation corridors where transmission lines often run parallel, would reduce interconnection costs for large-scale solar developments. Areas with minimal wetland presence would simplify the permitting process, as wetlands are protected by various regulations that can complicate development plans. The slightly higher elevations within the region typically have fewer wetland constraints. The gently rolling terrain that begins to appear as one moves further inland from Smithville provides good southern exposure options for solar arrays without requiring extensive earthwork. These subtle slopes can actually benefit solar production when oriented properly. It's worth noting that while the coastal plain topography is generally favorable for solar development from a construction standpoint, developers would need to consider potential hurricane impacts in their designs, as the region does experience tropical weather systems periodically. Proper engineering can address these concerns through appropriate mounting systems and wind-resistant designs.

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 Smithville, North Carolina, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 11th of May 2025
Last Updated: Monday 21st of July 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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