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Flag of United StatesSolar PV Analysis of Arkadelphia, United States

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

Arkadelphia, Arkansas, located in the Northern Sub Tropics at coordinates 34.1123, -93.0713, offers a moderate potential for solar energy generation throughout the year. The location experiences significant seasonal variations in solar output, which impacts the overall efficiency of solar PV systems.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Arkadelphia, with an impressive daily output of 6.70 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.34 kWh/day. Autumn sees a noticeable decrease in production, yielding 4.41 kWh/day. Winter presents the greatest challenge, with output dropping to 2.60 kWh/day. These figures indicate that solar energy production in Arkadelphia is most favorable from late spring through early fall. During this period, longer days and higher sun angles contribute to increased solar panel efficiency.

Optimal Panel Placement

For fixed panel installations in Arkadelphia, the ideal tilt angle to maximize year-round solar production is 30 degrees facing South. This angle is calculated to optimize energy capture across all seasons, taking into account the location's latitude and the Earth's elliptical orbit.

Environmental Considerations

While Arkadelphia's climate is generally conducive to solar energy production, there are some environmental factors that could impact system performance: 1. Humidity: The region's subtropical climate can lead to high humidity levels, potentially reducing panel efficiency and increasing the risk of moisture-related issues. 2. Storms: Arkansas is prone to severe thunderstorms and occasional tornadoes, which could pose a risk to solar installations. To mitigate these challenges, several preventative measures can be taken:
  • Use high-quality, weather-resistant panels and mounting systems designed to withstand high winds and heavy rainfall.
  • Implement regular cleaning and maintenance schedules to combat humidity-related issues and ensure optimal performance.
  • Consider installing a backup power system to maintain energy supply during severe weather events.
By addressing these factors and optimizing panel placement, solar PV systems in Arkadelphia can effectively harness the available solar resources throughout the year, with peak performance during the summer months.

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 Arkadelphia

Seasonal solar PV output for Latitude: 34.1123, Longitude: -93.0713 (Arkadelphia, 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 6.70kWh/day in Summer.
Autumn
Average 4.41kWh/day in Autumn.
Winter
Average 2.60kWh/day in Winter.
Spring
Average 5.34kWh/day in Spring.

 

Ideally tilt fixed solar panels 30° South in Arkadelphia, United States

To maximize your solar PV system's energy output in Arkadelphia, United States (Lat/Long 34.1123, -93.0713) 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: 34.1123, Longitude: -93.0713, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Arkadelphia, 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 Arkadelphia, 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 50° South in Winter 27° 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 Arkadelphia, 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 50° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 27° angle facing South to capture the most solar energy in Arkadelphia, 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 Arkadelphia, 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 Arkadelphia, 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 Arkadelphia, United States

Arkadelphia, located in Clark County, Arkansas, is situated in a region characterized by gently rolling hills and diverse landscapes. The area surrounding Arkadelphia features a mix of forested areas, open fields, and river valleys, creating a picturesque setting typical of the southern United States. The topography of the region is influenced by its position in the Ouachita Mountains foothills. To the north and west of Arkadelphia, the terrain becomes more rugged and hilly, with elevations gradually increasing. These areas are predominantly covered in dense forests, primarily consisting of pine and hardwood trees. To the south and east of Arkadelphia, the landscape transitions into more level terrain, with occasional gentle slopes and broader valleys. This area is part of the Gulf Coastal Plain, which extends southward towards the Gulf of Mexico. The flatter regions are often used for agriculture, with fields and pastures interspersed among wooded areas. The Ouachita River, a major waterway in the region, flows through Arkadelphia and has played a significant role in shaping the local topography. The river valley provides areas of flat, alluvial land along its banks, which contrasts with the surrounding hilly terrain.

Suitability for Large-Scale Solar PV

When considering areas near Arkadelphia for large-scale solar PV installations, the most suitable locations would likely be found in the flatter regions to the south and east of the city. These areas offer several advantages for solar energy development: 1. The relatively level terrain in the Gulf Coastal Plain region provides ample space for large solar arrays without the need for extensive land modification. 2. Open fields and agricultural lands in these areas often have fewer obstructions that could cast shadows on solar panels, maximizing sun exposure throughout the day. 3. The lower elevations in these regions are less prone to fog and cloud cover that might affect solar energy production in the hillier areas to the north and west. 4. Existing infrastructure, such as roads and power transmission lines, may be more readily available in these more developed areas, reducing the costs associated with connecting solar installations to the grid. While the forested hills to the north and west of Arkadelphia may offer some suitable sites for solar PV, they would likely require more extensive land clearing and preparation. Additionally, the uneven terrain could pose challenges for optimal panel placement and maintenance. It's important to note that any large-scale solar PV development would require detailed site assessments, environmental impact studies, and compliance with local regulations. Factors such as proximity to populated areas, wildlife habitats, and existing land use would all need to be carefully considered in selecting the most appropriate locations for solar energy projects in the region surrounding Arkadelphia.

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 Arkadelphia, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 11th of November 2024
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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