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Flag of United StatesSolar PV Analysis of Tallassee, United States

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

Tallassee, Alabama presents a moderately favorable location for year-round solar energy generation, though with notable seasonal variations that potential solar installers should understand.

Seasonal Solar Performance

The solar energy output in Tallassee shows strong performance during spring and summer months, with both seasons producing over 6 kWh per day per installed kW of solar capacity. Spring slightly edges out summer at 6.20 kWh/day compared to summer's 6.19 kWh/day, making these the ideal times for solar generation at this location. Autumn performance drops to a moderate 4.64 kWh/day per kW, while winter shows the weakest output at just 2.91 kWh/day per kW. This winter reduction represents less than half the production capacity seen during peak seasons, which is typical for locations in the Northern Sub Tropics but still represents a significant seasonal challenge for consistent energy generation. For maximum year-round energy production, fixed solar panels at this location should be tilted at 28 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout all seasons by accounting for the sun's changing position and the Earth's orbital patterns.

Environmental and Weather Challenges

Several local factors in Tallassee can significantly impact solar energy production and require careful consideration during installation:
  • High humidity and frequent thunderstorms: Alabama's subtropical climate brings intense summer storms with heavy rain, hail, and strong winds that can damage panels and reduce efficiency
  • Severe weather events: The region experiences tornadoes and occasional hurricanes that pose serious risks to solar installations
  • Tree coverage and vegetation: Alabama's lush forests and rapid plant growth can create shading issues that dramatically reduce panel output
  • Dust and pollen accumulation: Heavy pollen seasons and dust can coat panels, reducing their ability to absorb sunlight effectively

Preventative Installation Measures

To maximize solar production despite these challenges, several protective measures should be implemented. Installing panels with reinforced mounting systems rated for high wind loads helps protect against storm damage, while choosing panels with strong hail resistance ratings provides additional protection during severe weather. Careful site selection away from large trees and regular vegetation management prevents shading issues that can cut production by 50% or more. Installing panels at sufficient height and angle also helps minimize shading from future plant growth. Regular cleaning schedules become essential in Alabama's environment, particularly during heavy pollen seasons in spring. Automated cleaning systems or easily accessible panel layouts make maintenance more practical and ensure consistent energy output throughout 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 Tallassee

Seasonal solar PV output for Latitude: 32.536, Longitude: -85.8933 (Tallassee, 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 6.19kWh/day in Summer.
Autumn
Average 4.64kWh/day in Autumn.
Winter
Average 2.91kWh/day in Winter.
Spring
Average 6.20kWh/day in Spring.

 

Ideally tilt fixed solar panels 28° South in Tallassee, United States

To maximize your solar PV system's energy output in Tallassee, United States (Lat/Long 32.536, -85.8933) throughout the year, you should tilt your panels at an angle of 28° 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: 32.536, Longitude: -85.8933, the ideal angle to tilt panels is 28° South

Seasonally adjusted solar panel tilt angles for Tallassee, 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 Tallassee, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 28° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
16° South in Summer 38° South in Autumn 47° South in Winter 25° 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 Tallassee, United States as follows: In Summer, set the angle of your panels to 16° facing South. In Autumn, tilt panels to 38° 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 25° angle facing South to capture the most solar energy in Tallassee, 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 Tallassee, 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 Tallassee, 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 Tallassee, United States

Topographical Features of Tallassee and Surrounding Region

The topography around Tallassee, Alabama is characterized by gently rolling hills and relatively moderate elevation changes typical of the Piedmont region of the southeastern United States. The area sits at approximately 200 feet above sea level, with the landscape shaped by the Tallapoosa River which flows through the heart of the community. This river valley creates natural low-lying areas flanked by modest ridges and hillsides that rarely exceed 400 feet in elevation. The terrain consists primarily of weathered crystalline rocks from ancient geological formations, overlaid with red clay soils and sandy loams. These soils support mixed hardwood and pine forests across much of the undeveloped landscape. The topography is generally well-drained due to the rolling nature of the land, though some bottomland areas near waterways can experience seasonal flooding. Agricultural land use is scattered throughout the region, with cleared fields and pastures occupying many of the gentler slopes and valley floors. The existing road network follows natural contours, creating a pattern of development that works with rather than against the natural topography. Stream valleys and their associated wetlands create ribbons of more sensitive terrain throughout the broader landscape.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations in the Tallassee area would be the cleared agricultural fields and pastures situated on south-facing slopes and relatively flat ridgetops. These areas offer the dual advantages of minimal tree clearing requirements and favorable orientation toward the sun throughout the day. Many existing farm fields already possess the open character needed for solar arrays while maintaining gentle enough grades to minimize grading and site preparation costs. The elevated areas southeast and southwest of Tallassee present particularly promising opportunities, as these locations combine appropriate topography with existing cleared land use. These ridgeline areas tend to have fewer issues with morning and evening shadows from surrounding vegetation or structures, while their elevation provides good drainage characteristics essential for long-term facility maintenance. Areas to avoid for solar development would include the steeper hillsides where grading would be prohibitively expensive, as well as the flood-prone bottomlands near the Tallapoosa River and its tributaries. The heavily forested areas, while potentially suitable from a topographical standpoint, would require extensive clearing that could prove both costly and environmentally problematic. The existing utility infrastructure in the region, including transmission lines that serve the area, generally follows the major transportation corridors through the river valley. This creates favorable conditions for connecting solar facilities to the electrical grid, particularly for installations positioned on the cleared uplands within reasonable distance of these existing utility corridors.

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 Tallassee, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 17th 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.

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