Solar Energy Potential in Athens, Alabama
Athens, Alabama, located in the Northern Sub Tropics at coordinates 34.803, -86.9714, offers a promising environment for solar energy generation throughout the year. The location experiences varying levels of solar productivity across different seasons, with summer being the most productive period. During summer months, solar panels in Athens can generate an impressive 6.21 kWh per day for each kilowatt of installed capacity. This high output makes it an ideal time for maximizing solar energy production. Spring follows closely behind, with a daily output of 5.85 kWh per installed kilowatt, providing excellent energy generation potential as well. Autumn sees a moderate decrease in solar productivity, with panels producing 4.38 kWh per day for each kilowatt installed. While lower than summer and spring, this output still contributes significantly to overall energy production. Winter presents the most challenging season for solar energy generation in Athens, with panels producing 2.70 kWh per day per installed kilowatt. Despite the reduced output, the area still maintains some solar potential even during these colder months.Optimal Panel Installation
For those considering a fixed panel installation in Athens, the ideal angle to maximize year-round solar production is 30 degrees tilted towards the South. This angle has been calculated to optimize energy capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.Environmental Considerations
While Athens generally provides favorable conditions for solar energy production, there are a few environmental factors to consider: 1. Humidity: The region's subtropical climate can lead to high humidity levels, potentially affecting panel efficiency. Regular cleaning and maintenance can help mitigate this issue. 2. Occasional severe weather: Athens may experience thunderstorms and tornadoes, which could pose risks to solar installations. Robust mounting systems and impact-resistant panels can provide added protection. 3. Tree coverage: The area's vegetation might cast shadows on panels, reducing their efficiency. Careful site selection and tree trimming, where appropriate, can help maximize sun exposure. By addressing these factors during the installation process and maintaining the system regularly, solar energy producers in Athens can ensure optimal performance and longevity of their solar PV systems, taking full advantage of the location's solar potential throughout the year.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 Athens, Alabama
Seasonal solar PV output for Latitude: 34.803, Longitude: -86.9714 (Athens, Alabama, 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 Athens, Alabama, United States
To maximize your solar PV system's energy output in Athens, Alabama, United States (Lat/Long 34.803, -86.9714) 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 Athens, Alabama, 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 Athens, Alabama, 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 |
|---|---|---|---|
| 19° South in Summer | 40° South in Autumn | 50° South in Winter | 27° 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 Athens, Alabama, 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 Athens, Alabama, 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 Athens, Alabama, United States
The topography around Athens, Alabama, located at latitude 34.803 and longitude -86.9714, is characterized by gently rolling hills and shallow valleys typical of the southern Appalachian region. The area is part of the Tennessee Valley, which features a mix of agricultural land, forested areas, and scattered urban development. Athens sits on a plateau that gradually slopes downward towards the Tennessee River to the north. The terrain is generally mild, with elevation changes rarely exceeding 100 feet over short distances. This creates a landscape of subtle undulations rather than dramatic peaks and valleys. The region is dotted with small streams and creeks that wind their way through the countryside, eventually feeding into larger water bodies like the Elk River and Wheeler Lake.
Potential for Large-Scale Solar PV
When considering areas nearby Athens for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be relatively flat, open spaces with good sun exposure and minimal shading from trees or structures. Agricultural lands that are no longer in active use could be prime candidates for solar development. The areas to the south and west of Athens tend to have more open, gently sloping terrain that could be well-suited for solar farms. These regions often feature expansive fields and pastures that receive ample sunlight throughout the day. The slightly elevated nature of the land in these directions also helps to minimize the risk of flooding, which is an important consideration for solar installations. Another promising area for large-scale solar PV would be the more level portions of land to the east of Athens, particularly in the direction of Huntsville. This area features a mix of agricultural and industrial zones that could potentially accommodate sizeable solar arrays without significant land preparation costs. It's worth noting that while the topography around Athens is generally favorable for solar development, any specific site would require detailed assessment. Factors such as soil stability, proximity to power infrastructure, and local zoning regulations would all need to be carefully evaluated before proceeding with a large-scale solar project in the region.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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 29th of March 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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Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide
Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.




