Talladega, Alabama, located in the Northern Sub Tropics, offers a relatively favorable environment for solar PV energy generation throughout the year. The location's seasonal solar output varies significantly, with peak production during the summer months.
Seasonal Solar Performance
Summer stands out as the most productive season, with an average daily output of 6.04 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.99 kWh/day. Autumn sees a moderate decrease in production at 4.55 kWh/day, while winter experiences the lowest output at 2.86 kWh/day.
The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in Talladega. However, the region's overall solar potential remains promising, with strong performance during three out of four seasons.
Optimal Panel Positioning
To maximize year-round solar energy production in Talladega, fixed solar panels should be tilted at a 29-degree angle facing south. This orientation ensures optimal exposure to sunlight throughout the year, balancing the varying sun angles across seasons.
Environmental and Weather Considerations
While Talladega's climate is generally conducive to solar energy production, there are some factors that could potentially impact system performance:
- Humidity: The region's subtropical climate can lead to high humidity levels, which may slightly reduce panel efficiency.
- Thunderstorms: Alabama experiences frequent thunderstorms, particularly during summer months, which can temporarily decrease solar output.
To mitigate these factors, consider implementing the following measures when installing solar panels:
- 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 dirt or debris that may accumulate on panels due to storms or humidity.
Despite these minor challenges, Talladega's location remains quite suitable for solar PV energy generation, with ample sunlight available throughout most of 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 Talladega
Seasonal solar PV output for Latitude: 33.4355, Longitude: -86.1131 (Talladega, 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 29° South in Talladega, United States
To maximize your solar PV system's energy output in Talladega, United States (Lat/Long 33.4355, -86.1131) 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.
Seasonally adjusted solar panel tilt angles for Talladega, 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 Talladega, 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 | 48° 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 Talladega, 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 Talladega, 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 Talladega, United States
The topography around Talladega, Alabama, in the United States, is characterized by a diverse landscape that reflects its location in the southern Appalachian foothills. The area features a mix of gently rolling hills, shallow valleys, and some more pronounced ridges. Talladega sits at an elevation of around 550 feet above sea level, with the surrounding terrain gradually rising and falling across the region. To the east of Talladega, the land becomes more rugged as it approaches Talladega National Forest. This area is marked by steeper slopes, dense woodlands, and higher elevations, with some peaks reaching over 2,000 feet. The forest's varied terrain includes rocky outcrops, streams, and small waterfalls, creating a picturesque and ecologically rich environment. West of Talladega, the landscape becomes slightly flatter, transitioning into the edges of the Cumberland Plateau. This area features more open spaces, including farmland and pastures, interspersed with patches of forest. The terrain here is generally more suitable for development and agriculture due to its gentler slopes and wider valleys.
Potential Areas for Large-Scale Solar PV
When considering locations for large-scale solar photovoltaic (PV) installations near Talladega, several factors come into play. The most suitable areas would typically be those with relatively flat or gently sloping land, good sun exposure, and proximity to existing infrastructure. The regions west and southwest of Talladega offer promising potential for solar PV development. These areas have more open, less forested land with a flatter topography, which is ideal for installing large arrays of solar panels. The gently rolling hills in this direction provide natural elevation changes that can help optimize solar exposure without requiring extensive land modification. Additionally, some of the cleared agricultural lands to the north and northwest of Talladega could be suitable for solar farms. These areas often have the advantage of being already connected to road networks and potentially closer to power grid infrastructure, which can reduce development costs. It's important to note that while the eastern regions near Talladega National Forest offer beautiful scenery, they are generally less suitable for large-scale solar installations due to the more rugged terrain and dense forest cover. These factors would make construction more challenging and potentially impact the efficiency of solar panels due to shading from trees and uneven surfaces. Any large-scale solar PV project would require detailed site-specific assessments, including environmental impact studies and local zoning considerations. The most promising areas would balance favorable topography with minimal environmental disruption and efficient connection to existing energy infrastructure.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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Saturday 16th 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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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.




