Slocomb, Alabama, located in the Northern Sub Tropics at coordinates 31.1082, -85.5944, presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations that potential solar installers should carefully consider.
Seasonal Solar Performance
The solar energy output at this location shows dramatic seasonal swings. Spring delivers the highest production at 6.27 kWh per day per kW of installed solar capacity, closely followed by summer at 6.26 kWh per day. These peak seasons offer excellent solar generation potential that rivals many top-tier solar locations across the United States. However, the location experiences a substantial drop in solar production during cooler months. Autumn production falls to 4.75 kWh per day per kW, while winter plummets to just 3.00 kWh per day per kW. This winter figure represents less than half the production capacity seen during peak seasons, creating a significant energy generation gap during the coldest months. For optimal year-round energy capture at this Slocomb location, solar panels should be installed at a fixed tilt angle of 27 degrees facing south. This angle maximizes total annual production by balancing the sun's varying position throughout the seasons.Local Environmental Challenges
Several environmental and weather factors in the Slocomb area can significantly impact solar energy production and require careful consideration during installation planning. Alabama's subtropical climate brings frequent thunderstorms, particularly during spring and summer months when solar production peaks. These storms can reduce daily energy output through cloud cover and pose risks to solar equipment from high winds, hail, and lightning strikes. Additionally, the region experiences occasional severe weather events including tornadoes, which can damage or destroy solar installations. High humidity levels throughout much of the year create ideal conditions for rapid accumulation of dirt, pollen, and organic debris on solar panels. The area's abundant vegetation means substantial pollen loads during spring months, while summer heat and humidity can bake contaminants onto panel surfaces, reducing efficiency.Protective Installation Measures
Several strategic measures can help maximize solar energy production and protect installations in this environment:- Install robust mounting systems rated for high wind loads and consider impact-resistant panels to withstand hail damage
- Implement proper grounding and surge protection systems to guard against lightning strikes common in Alabama's storm-prone climate
- Design panel layouts with adequate spacing for air circulation to prevent overheating during humid summer conditions
- Establish regular cleaning schedules, particularly during high-pollen spring months and after storm events
- Consider automated cleaning systems or easy-access designs for maintenance in locations with heavy organic debris accumulation
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 Slocomb
Seasonal solar PV output for Latitude: 31.1082, Longitude: -85.5944 (Slocomb, 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 27° South in Slocomb, United States
To maximize your solar PV system's energy output in Slocomb, United States (Lat/Long 31.1082, -85.5944) throughout the year, you should tilt your panels at an angle of 27° 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 Slocomb, 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 Slocomb, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 27° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 15° South in Summer | 36° South in Autumn | 46° South in Winter | 24° 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 Slocomb, 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 Slocomb, 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 Slocomb, United States
Topography Around Slocomb, Alabama
The terrain surrounding Slocomb, Alabama is characterized by gently rolling hills and relatively flat agricultural land typical of the southeastern United States coastal plain region. This area sits within the broader Gulf Coastal Plain, where elevations remain modest and the landscape consists primarily of low-lying farmland interspersed with patches of pine forest and hardwood stands. The topography features subtle undulations rather than dramatic elevation changes, with most land rising and falling gradually across the countryside. Small creeks and drainage channels meander through the area, creating shallow valleys that cut through the otherwise level terrain. These waterways have carved gentle depressions in the landscape over time, though none create significant obstacles or steep slopes that would complicate large-scale development projects. Agricultural fields dominate much of the surrounding landscape, with many areas already cleared and maintained as open space. The soil composition consists mainly of sandy loam and clay mixtures common to this part of Alabama, providing stable ground conditions for construction and infrastructure development.Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations would be the existing agricultural fields and pastureland that stretch across the relatively flat portions of the landscape. These areas offer several advantages including minimal tree clearing requirements, stable soil conditions, and gentle slopes that facilitate proper drainage while maintaining optimal panel positioning. The open farmland to the south and west of Slocomb presents particularly favorable conditions, as these areas combine level terrain with existing access roads and proximity to electrical infrastructure. The cleared agricultural zones eliminate the need for extensive land preparation and environmental impact associated with forest removal. Areas with slight southern-facing slopes would be especially well-suited for solar development, as these natural gradients can enhance panel efficiency while providing natural drainage during heavy rainfall events. The gentle topography means that grading requirements would be minimal, reducing both construction costs and environmental disruption. The relatively stable clay-sand soil composition found throughout the region provides excellent foundation conditions for solar mounting systems. This soil type offers good bearing capacity while maintaining adequate drainage properties, reducing concerns about ground settlement or water accumulation around solar installations. Transportation access represents another significant advantage, as the area benefits from existing farm roads and state highways that could support the heavy equipment and materials needed for large-scale solar construction. The flat terrain would also simplify the installation of electrical transmission infrastructure needed to connect solar facilities to the regional power grid.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: Thursday 14th of August 2025
Last Updated: Thursday 14th of August 2025
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Compare this location to others worldwide for solar PV potential
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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.




