Ohatchee, Alabama 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 Northern Sub Tropics location shows strong performance during warmer months but notable drops in winter production. Summer delivers the peak performance at 6.05 kWh per day per kW of installed capacity, while spring follows closely at 5.97 kWh per day per kW. These seasons represent the prime solar generation period for the area. Autumn sees a moderate decline to 4.49 kWh per day per kW, which still provides decent energy production. However, winter presents the most challenging period with output dropping significantly to just 2.81 kWh per day per kW of installed solar capacity. For fixed panel installations at this location, the ideal angle to tilt panels for maximum total year-round production is 30 degrees facing South. This optimal angle accounts for the sun's path throughout the year and maximizes energy capture across all seasons.Environmental and Weather Challenges
Several local factors in Alabama can impact solar panel performance and require consideration during installation planning. The region's humid subtropical climate brings frequent thunderstorms, particularly during summer months when solar production peaks. These storms can reduce solar output during peak generation season and may pose risks to panel installations if not properly secured. Alabama experiences occasional severe weather events including tornadoes and damaging winds. Solar installations must be engineered to withstand these conditions through proper mounting systems and structural reinforcement. High humidity levels throughout much of the year can lead to increased dust and pollen accumulation on panel surfaces, reducing efficiency over time. The area's abundant vegetation contributes to seasonal pollen loads that can coat panels.Preventative Installation Measures
To maximize energy production despite these challenges, several installation strategies prove beneficial:- Install robust mounting systems rated for high wind loads to protect against storm damage
- Ensure proper grounding and surge protection to handle frequent lightning activity
- Design installations with adequate spacing between panels for air circulation to reduce heat buildup in humid conditions
- Plan for regular cleaning schedules, particularly during high pollen seasons
- Consider tilt angles that promote natural rain washing while maintaining the optimal 30-degree South orientation
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 Ohatchee
Seasonal solar PV output for Latitude: 33.7834, Longitude: -86.0025 (Ohatchee, 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 Ohatchee, United States
To maximize your solar PV system's energy output in Ohatchee, United States (Lat/Long 33.7834, -86.0025) 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 Ohatchee, 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 Ohatchee, 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 Ohatchee, 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 Ohatchee, 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 Ohatchee, United States
Topography Around Ohatchee
Ohatchee sits in the foothills of the Appalachian Mountains in east-central Alabama, positioned within Calhoun County. The landscape here is characterized by gently rolling hills and ridges that create a moderately undulating terrain. The elevation varies considerably across the region, with the town itself resting at approximately 600 feet above sea level, while surrounding areas can reach elevations of 800 to 1,200 feet on the higher ridges.
The topography is dominated by the southern extension of the Appalachian ridge-and-valley system, creating a series of parallel ridges running generally northeast to southwest. Between these ridges lie fertile valleys that have historically supported agriculture and small communities. The terrain is not mountainous in the traditional sense, but rather consists of elongated hills with moderate slopes that rarely exceed 15-20 degrees.
Several creeks and small streams flow through the valleys, including Ohatchee Creek, which gives the town its name. These waterways have carved gentle valleys through the landscape over millennia, creating areas of relatively flat bottomland interspersed with the rolling uplands. The soil composition varies from rocky, thin soils on the ridgetops to deeper, more fertile alluvial soils in the valley bottoms.
Optimal Areas for Large-Scale Solar Development
The most suitable locations for large-scale solar photovoltaic installations in the Ohatchee area would be the broader valley floors and the gentler southern-facing slopes of the ridges. These areas offer the necessary combination of relatively flat terrain and favorable solar exposure throughout the day. The valley bottoms, particularly those running east-west, provide expansive areas with minimal slope that would require less grading and site preparation.
The ridgetops themselves, while offering excellent exposure, often have thin soils and rocky substrates that could complicate installation. However, the upper slopes and broader ridge areas with gentler gradients could be viable, especially those with southern exposure. These elevated positions would have the additional advantage of fewer obstructions from surrounding terrain or vegetation.
Areas to the south and southwest of Ohatchee present particularly promising opportunities, as the terrain becomes somewhat less dissected and the valleys broaden. The agricultural lands in these areas typically indicate better soil conditions and gentler topography that would be more conducive to large-scale development. The existing cleared agricultural fields would also reduce the environmental impact and preparation costs associated with solar installation.
The transportation infrastructure in the region, including proximity to existing power transmission lines and road networks, would also favor development in the valley areas where most infrastructure is concentrated. This accessibility would be crucial for both construction activities and ongoing maintenance operations for any large-scale solar facility.
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: Friday 18th of April 2025
Last Updated: Tuesday 19th 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.
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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.




