Flag of United States

Flag of United StatesSolar PV Analysis of Headland, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Headland, United States (by season)

Headland, 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 output data reveals distinct seasonal patterns at this Northern Sub Tropical location. Spring delivers the highest energy production at 6.27kWh per day per kW of installed capacity, closely followed by summer at 6.26kWh per day. This makes the warmer months from March through September the optimal period for solar generation. Autumn shows a notable decline to 4.75kWh per day, while winter represents the most challenging season with output dropping to just 3.00kWh per day per kW. This winter reduction of more than 50% compared to peak seasons means solar systems will generate significantly less electricity during the coldest months when heating demands are typically highest.

Optimal Panel Configuration

For maximum year-round energy production at Headland, fixed solar panels should be tilted at 27 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's changing position throughout the year and weighting for the varying solar potential across all seasons.

Local Environmental Challenges

Several environmental and weather factors in this Alabama location can significantly impact solar energy production: Humidity and Moisture: The subtropical climate brings high humidity levels that can reduce panel efficiency and promote the growth of algae, moss, or mildew on panel surfaces. Regular cleaning schedules and proper ventilation spacing behind panels can help maintain optimal performance. Severe Weather Events: Alabama experiences thunderstorms, high winds, and occasional tornadoes that can damage solar installations. Robust mounting systems designed to withstand high wind loads and impact-resistant panels can provide protection against storm damage. Atmospheric Haze and Pollution: The region can experience haze from humidity and agricultural activities that reduces solar irradiance reaching the panels. While this cannot be prevented, it should be factored into production expectations.

Installation Recommendations

To maximize solar production despite these challenges, several preventative measures should be implemented:
  • Install panels with adequate spacing for air circulation to reduce heat buildup and moisture retention
  • Use high-quality mounting systems rated for wind speeds exceeding local building codes
  • Implement regular cleaning and maintenance schedules to remove debris, pollen, and biological growth
  • Consider micro-inverters or power optimizers to minimize the impact of partial shading or individual panel issues
  • Ensure proper drainage around ground-mounted systems to prevent water pooling
Despite these environmental considerations, Headland's location still offers reasonable solar potential, particularly during the extended warm season from spring through early autumn when energy production peaks.

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 Headland

Seasonal solar PV output for Latitude: 31.356, Longitude: -85.3342 (Headland, 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:

Summer
Average 6.26kWh/day in Summer.
Autumn
Average 4.75kWh/day in Autumn.
Winter
Average 3.00kWh/day in Winter.
Spring
Average 6.27kWh/day in Spring.

 

Ideally tilt fixed solar panels 27° South in Headland, United States

To maximize your solar PV system's energy output in Headland, United States (Lat/Long 31.356, -85.3342) 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.

The sun
At Latitude: 31.356, Longitude: -85.3342, the ideal angle to tilt panels is 27° South

Seasonally adjusted solar panel tilt angles for Headland, 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 Headland, 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 37° South in Autumn 47° South in Winter 24° South in Spring

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Headland, United States as follows: In Summer, set the angle of your panels to 15° facing South. In Autumn, tilt panels to 37° facing South for maximum generation. During Winter, adjust your solar panels to a 47° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 24° angle facing South to capture the most solar energy in Headland, United States.

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 Headland, 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 Headland, United States.

Our calculation method

  1. Solar Position:
    We determine the Sun's position on the Winter solstice using the location's latitude and solar declination.
  2. Shadow Projection:
    We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle.
  3. 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Headland, United States

Topographical Features of the Headland Area

The terrain around Headland, Alabama is characterized by gently rolling hills and relatively modest elevation changes typical of the southeastern Alabama Coastal Plain region. This area sits at an elevation of approximately 300 feet above sea level, with the surrounding landscape featuring gradual undulations rather than steep slopes or dramatic elevation shifts. The topography consists primarily of low ridges and shallow valleys that were formed by ancient river systems and coastal plain sediments. The region displays a mix of agricultural fields, pine forests, and scattered residential developments spread across the undulating terrain. Small creeks and tributaries meander through the valleys, creating a network of waterways that drain toward larger river systems. The soil composition includes sandy loams and clay subsoils that support both farming activities and forest growth.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for extensive solar photovoltaic installations would be the broader, flatter ridge tops and gentle slopes that face south or southwest. These elevated areas typically receive less shading from surrounding vegetation and terrain features while offering good drainage characteristics. The agricultural fields scattered throughout the region present particularly attractive opportunities, as they often occupy the most level ground and already have cleared access routes. Areas with slopes of less than five degrees would be ideal for solar development, as steeper terrain increases installation costs and can create shading issues between panel rows. The pine forest areas, while abundant in the region, would require significant clearing and might face environmental restrictions, making the existing open agricultural land more practical for development. The eastern and southeastern portions of the area appear to offer some of the most favorable conditions, where the terrain is relatively flat and existing land use patterns would be more compatible with solar installations. These locations would also benefit from proximity to existing electrical infrastructure along the agricultural corridors, potentially reducing connection costs for large-scale projects.

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

Article: Solar PV Analysis of Headland, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 14th of July 2025
Last Updated: Wednesday 6th of August 2025

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

"Just like the sun juicing up solar PV panels, coffee is our liquid sunshine that fuels our research and development shenanigans!" 😊
Buy me a coffee - Thanks for your support!

Share this with your friends!



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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

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.

Calculate Your Optimal Solar Panel Tilt Angle