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Flag of United StatesSolar PV Analysis of Aiken, United States

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

Aiken, South Carolina, located in the Northern Sub Tropics at coordinates 33.5546, -81.721, presents a generally favorable environment for solar PV energy generation throughout the year. The location experiences distinct seasonal variations in solar output, with peak production during the summer months.

Seasonal Solar Output

Summer stands out as the most productive season, with an impressive 6.45 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 6.21 kWh/day. Autumn sees a moderate decrease to 4.50 kWh/day, while winter experiences the lowest output at 2.89 kWh/day.

These figures indicate that Aiken is particularly well-suited for solar energy production from late spring through early fall. During this period, longer days and higher sun angles contribute to increased solar panel efficiency.

Optimal Panel Tilt

For fixed panel installations in Aiken, the ideal tilt angle to maximize year-round solar production is 29 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for seasonal variations in the sun's position.

Environmental Considerations

While Aiken's climate is generally conducive to solar energy production, there are some factors that could potentially impact efficiency:

  1. Humidity: The region's subtropical climate can lead to high humidity levels, which may slightly reduce panel efficiency.
  2. Thunderstorms: Aiken experiences frequent summer thunderstorms, which can temporarily decrease solar output.

Preventative Measures

To mitigate these environmental factors and ensure optimal solar production, consider the following measures:

  • Use high-quality, weather-resistant panels designed to perform well in humid conditions.
  • Install a robust mounting system capable of withstanding strong winds associated with thunderstorms.
  • Implement a regular cleaning schedule to remove any dust or pollen accumulation, which is common in the region.
  • Consider a solar tracking system to maximize energy capture, especially during the highly productive summer months.

Overall, Aiken's location offers a promising setting for solar PV energy generation, with ample sunshine throughout most of the year and manageable environmental challenges.

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 Aiken

Seasonal solar PV output for Latitude: 33.5546, Longitude: -81.721 (Aiken, 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 4.50kWh/day in Autumn.
Winter
Average 2.89kWh/day in Winter.
Spring
Average 6.21kWh/day in Spring.

 

Ideally tilt fixed solar panels 29° South in Aiken, United States

To maximize your solar PV system's energy output in Aiken, United States (Lat/Long 33.5546, -81.721) throughout the year, you should tilt your panels at an angle of 29° 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: 33.5546, Longitude: -81.721, the ideal angle to tilt panels is 29° South

Seasonally adjusted solar panel tilt angles for Aiken, 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 Aiken, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
17° 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 Aiken, United States as follows: In Summer, set the angle of your panels to 17° 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 Aiken, 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 Aiken, 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 Aiken, 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 Aiken, United States

The topography around Aiken, South Carolina, is characterized by gently rolling hills and a mix of forested and open areas. This region is part of the Sand Hills, a geological formation that stretches across the state's midlands. The landscape features a blend of pine forests, hardwood trees, and grassy areas, creating a diverse and picturesque environment. The terrain in and around Aiken is generally mild, with elevations ranging from about 300 to 600 feet above sea level. This gradual elevation change contributes to the area's pleasant, undulating landscape. The soil in this region is typically sandy and well-drained, a characteristic that has influenced both the natural vegetation and land use patterns. Several small streams and creeks wind through the area, carving shallow valleys and contributing to the overall topographic variety. These waterways, along with scattered ponds and small lakes, add to the region's ecological diversity and scenic beauty.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited for large-scale solar photovoltaic (PV) installations, several factors come into play. The gently rolling terrain around Aiken offers numerous potential sites for solar farms, particularly in areas with open, relatively flat land. The regions to the south and southwest of Aiken, extending towards the Savannah River, present promising opportunities for solar development. These areas often feature larger tracts of cleared land, formerly used for agriculture or timber production, which could be repurposed for solar installations. Additionally, some of the more sparsely populated areas to the east and northeast of Aiken might be suitable for large-scale solar projects. These locations often have the advantage of being close to existing power infrastructure, which can facilitate the integration of new solar capacity into the grid. It's important to note that while the topography is generally favorable for solar development, site-specific assessments would be necessary to determine the most optimal locations. Factors such as local zoning regulations, proximity to transmission lines, and environmental considerations would all play a role in identifying the best sites for large-scale solar PV installations in the Aiken area.

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 Aiken, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 21st of February 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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