Sylacauga, Alabama offers reasonably good conditions for solar energy generation throughout most of the year, though like many locations in the Northern Sub Tropics, it experiences significant seasonal variation in solar output.
Seasonal Solar Performance
The location shows strong solar production during the warmer months, with summer generating 6.05kWh per day per kW of installed solar capacity. Spring performs almost equally well at 5.97kWh per day, making these the ideal seasons for solar energy generation at this location. Autumn sees a moderate decline to 4.49kWh per day, while winter represents the challenging period with only 2.81kWh per day. This winter reduction is typical for locations at this latitude, where the sun's lower angle and shorter days significantly impact solar panel efficiency. For optimal year-round performance, solar panels should be installed at a fixed tilt angle of 29 degrees facing south. This angle maximizes total annual energy production by balancing the sun's varying seasonal positions throughout the year.Local Factors Affecting Solar Production
Several environmental and weather factors in the Sylacauga area can impact solar energy generation:- Severe weather events: Alabama experiences thunderstorms, tornadoes, and occasional ice storms that can damage panels or create temporary outages
- High humidity and heat: Summer temperatures and humidity can reduce panel efficiency and accelerate equipment degradation
- Tree coverage and vegetation: The region's lush vegetation can create shading issues, particularly as trees grow over time
- Dust and pollen: Heavy pollen seasons and dust accumulation can reduce panel efficiency
Preventative Measures for Better Performance
To maximize solar production despite these challenges, several installation strategies prove effective. Panels should be mounted with adequate ventilation space underneath to prevent overheating during Alabama's hot summers. Using high-quality mounting systems rated for severe weather helps protect against storm damage. Regular maintenance becomes crucial in this environment. Cleaning panels quarterly, especially after pollen season, maintains optimal efficiency. Trimming vegetation and planning installations away from large trees prevents shading issues from developing over time. Investing in monitoring systems allows quick identification of performance drops, whether from weather damage, debris, or equipment issues. Quality inverters with good warranty coverage also provide protection against the stress of high temperatures and humidity common to the region.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 Sylacauga
Seasonal solar PV output for Latitude: 33.1752, Longitude: -86.2713 (Sylacauga, 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 Sylacauga, United States
To maximize your solar PV system's energy output in Sylacauga, United States (Lat/Long 33.1752, -86.2713) 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 Sylacauga, 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 Sylacauga, 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 | 38° 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 Sylacauga, 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 Sylacauga, 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 Sylacauga, United States
Topographical Features Around Sylacauga
Sylacauga sits in the heart of Alabama's Piedmont region, characterized by gently rolling hills and moderate elevation changes. The city itself rests at approximately 560 feet above sea level, nestled within the Appalachian foothills that extend across east-central Alabama. This area represents a transitional zone between the more mountainous terrain to the north and the flatter coastal plain to the south.
The landscape around Sylacauga features a mix of wooded hills, agricultural valleys, and cleared pastureland. The Coosa River flows roughly 15 miles to the west, creating a broader valley system that influences the local topography. Small creeks and tributaries have carved modest valleys throughout the region, creating a terrain that undulates with gentle slopes and occasional steeper ridgelines.
The underlying geology consists primarily of metamorphic rocks, including the famous Sylacauga marble that has been quarried in the area for over a century. This bedrock creates relatively stable foundations across the region, though the presence of clay soils in some areas can present drainage considerations for large-scale development projects.
Optimal Areas for Large-Scale Solar Development
The most promising locations for extensive solar photovoltaic installations lie in the agricultural valleys and cleared plateaus south and southeast of Sylacauga. These areas offer relatively flat to gently sloping terrain with minimal tree coverage, providing unobstructed access to sunlight throughout the day. The agricultural fields in this direction typically feature open expanses that could accommodate large arrays without significant clearing costs.
The rolling hills to the northwest and northeast, while scenic, present more challenges for solar development due to their steeper gradients and heavy forest coverage. However, some of the broader ridgetops in these areas could serve as viable sites if clearing were economically justified, as they would benefit from elevation and reduced shading from surrounding vegetation.
Areas closer to Highway 280 and the flatter terrain extending toward Alexander City offer excellent potential, combining accessible transportation infrastructure with suitable topography. The gentle slopes in these locations would allow for optimal panel orientation while minimizing grading requirements. Additionally, the proximity to existing electrical transmission infrastructure along major transportation corridors would reduce connection costs for large installations.
The western approaches toward the Coosa River valley present another promising zone, where former agricultural land and managed pastures provide substantial open areas with good southern exposure. These locations benefit from the broader, more stable terrain associated with the river valley system while maintaining sufficient elevation to avoid flood-related concerns.
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 12th of July 2025
Last Updated: Wednesday 6th of August 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.
Helping you assess viability of solar PV for your site
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.




