Austell, Georgia, located in the Northern Sub Tropics, offers a promising environment for solar energy generation throughout the year. With its geographical coordinates at 33.8369° N latitude and 84.6307° W longitude, this location experiences varying levels of solar potential across different seasons.
Seasonal Solar Performance
The solar energy output in Austell demonstrates significant fluctuations across the four meteorological seasons. Summer proves to be the most productive period, with an impressive 6.21 kWh per day for each kilowatt of installed solar capacity. Spring follows closely behind, generating 6.04 kWh/day/kW. Autumn sees a moderate decrease in production, yielding 4.49 kWh/day/kW. Winter experiences the lowest output at 2.78 kWh/day/kW, which is expected due to shorter daylight hours and the sun's lower position in the sky.
Ideal Generation Periods
The most favorable times for solar energy production in Austell are during the spring and summer months, typically from April through September. These seasons offer longer daylight hours and higher sun angles, maximizing the potential for solar energy capture. While autumn still provides decent solar output, winter months see a significant drop in production due to shorter days and more overcast weather.
Optimal Panel Tilt
For fixed panel installations in Austell, the ideal angle to maximize year-round solar production is 30 degrees tilted towards the South. This angle is calculated based on the location's latitude and accounts for the Earth's elliptical orbit, ensuring optimal exposure to sunlight throughout the year.
Environmental Considerations
While Austell generally offers favorable conditions for solar energy production, there are a few environmental factors to consider:
- Tree coverage: The area has significant vegetation, which could potentially shade solar panels. Careful site assessment and strategic panel placement can mitigate this issue.
- Seasonal storms: Georgia experiences thunderstorms and occasional severe weather, particularly in spring and summer. Installing sturdy mounting systems and using high-quality, weather-resistant panels can help protect the solar installation.
To maximize energy production and system longevity, it's advisable to conduct a thorough site analysis, implement regular cleaning and maintenance schedules, and consider using micro-inverters or power optimizers to minimize the impact of partial shading. Additionally, investing in a monitoring system can help quickly identify and address any performance issues that may arise.
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 Austell
Seasonal solar PV output for Latitude: 33.8369, Longitude: -84.6307 (Austell, 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 30° South in Austell, United States
To maximize your solar PV system's energy output in Austell, United States (Lat/Long 33.8369, -84.6307) 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.
Seasonally adjusted solar panel tilt angles for Austell, 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 Austell, 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 |
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 Austell, 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 Austell, 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 Austell, United States
The topography around Austell, Georgia, located at 33.8369°N, 84.6307°W, is characterized by gently rolling hills and valleys typical of the Piedmont region. This area sits at the southern edge of the Appalachian foothills, creating a landscape of moderate elevation changes and undulating terrain. The city itself is situated at an average elevation of about 900 feet above sea level, with surrounding areas varying in height by several hundred feet. Numerous streams and creeks crisscross the region, carving shallow valleys between the hills. The most prominent water feature near Austell is Sweetwater Creek, which flows to the east of the city. The terrain is generally well-drained, with a mix of forested areas and cleared land used for residential, commercial, and agricultural purposes.
Potential for Large-Scale Solar PV
When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would have relatively flat or gently sloping terrain, good sun exposure, and minimal shading from trees or structures. Areas to the south and west of Austell may offer better potential for solar PV development. These regions tend to have more open, cleared land that was previously used for agriculture or is currently undeveloped. The gently rolling hills in these directions provide opportunities for south-facing slopes, which are optimal for solar panel placement. Specific locations that might be suitable include the areas around Powder Springs and Hiram, where there are larger tracts of open land. The region between Austell and Dallas, Georgia, also has potential, with its mix of cleared areas and gentle topography. It's important to note that while the topography around Austell is generally favorable for solar PV, other factors such as land availability, zoning regulations, and proximity to electrical infrastructure would also need to be considered when planning large-scale solar installations. Additionally, site-specific assessments would be necessary to determine the most suitable locations for such projects.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!
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Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 31st of January 2025
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
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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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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
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