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Flag of United StatesSolar PV Analysis of Gurley, United States

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

Gurley, Alabama, located in the Northern Sub Tropics, offers a generally favorable environment for solar energy production throughout the year. The town's geographical position at latitude 34.7018 and longitude -86.3758 provides ample sunlight for photovoltaic (PV) systems, although output varies significantly across seasons.

Seasonal Solar Performance

Solar energy generation in Gurley peaks during the summer months, with an impressive average daily output of 6.21 kWh per kW of installed capacity. Spring follows closely behind, producing 5.85 kWh/day. Autumn sees a moderate decrease to 4.38 kWh/day, while winter experiences the lowest output at 2.70 kWh/day per kW installed.

The substantial difference between summer and winter production highlights the impact of seasonal variations on solar energy generation in this region. However, the relatively high output during spring and autumn contributes to a favorable year-round average.

Optimal Panel Placement

For fixed panel installations in Gurley, the ideal tilt angle to maximize year-round solar production is 30 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for the Earth's elliptical orbit and the location's specific latitude.

Environmental Considerations

While Gurley's climate is generally conducive to solar energy production, there are some environmental factors to consider:

  • Occasional severe weather events, including thunderstorms and tornadoes, which may pose risks to solar installations
  • Humid subtropical climate, which can lead to increased dust and pollen accumulation on panels

To mitigate these factors, solar installations should incorporate sturdy mounting systems capable of withstanding high winds. Regular cleaning and maintenance of panels can help offset the impact of dust and pollen accumulation, ensuring optimal performance year-round.

Despite these considerations, Gurley's location remains quite favorable for solar energy production, with ample sunlight throughout most of the year and particularly high potential during the extended summer season.

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 Gurley

Seasonal solar PV output for Latitude: 34.7018, Longitude: -86.3758 (Gurley, 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 6.21kWh/day in Summer.
Autumn
Average 4.38kWh/day in Autumn.
Winter
Average 2.70kWh/day in Winter.
Spring
Average 5.85kWh/day in Spring.

 

Ideally tilt fixed solar panels 30° South in Gurley, United States

To maximize your solar PV system's energy output in Gurley, United States (Lat/Long 34.7018, -86.3758) 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.

The sun
At Latitude: 34.7018, Longitude: -86.3758, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Gurley, 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 Gurley, 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 40° South in Autumn 50° South in Winter 27° 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 Gurley, United States as follows: In Summer, set the angle of your panels to 18° facing South. In Autumn, tilt panels to 40° facing South for maximum generation. During Winter, adjust your solar panels to a 50° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 27° angle facing South to capture the most solar energy in Gurley, 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 Gurley, 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 Gurley, 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 Gurley, United States

The topography around Gurley, Alabama, located at 34.7018°N, 86.3758°W, is characterized by a mix of gently rolling hills, valleys, and some flatter areas typical of the southern Appalachian region. Gurley sits at the base of the southern end of the Cumberland Plateau, with the eastern edge of the town bordered by the picturesque Keel Mountain. To the west and northwest of Gurley, the land gradually flattens out towards the Tennessee River Valley. This area features a combination of agricultural fields, wooded areas, and small streams. The terrain becomes more rugged and elevated to the east and southeast, with the foothills of the Appalachian Mountains rising in the distance.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited for large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would have relatively flat or gently sloping terrain, good sun exposure, and minimal shading from surrounding hills or vegetation. The flatter areas to the west and northwest of Gurley offer promising potential for solar PV development. These regions typically have fewer obstacles to block sunlight and provide easier access for construction and maintenance of solar arrays. The agricultural lands in this direction could be particularly suitable, as they often have large, open spaces that could accommodate extensive solar installations. However, it's important to note that while the hilly areas to the east and southeast might seem less ideal due to their more varied terrain, they shouldn't be completely discounted. Modern solar technologies can adapt to sloping landscapes, and some hillsides might offer excellent sun exposure if they face south. Any large-scale solar PV project would require detailed site assessments, considering factors such as local zoning regulations, proximity to power infrastructure, and environmental impact. The ultimate suitability of any location would depend on a combination of these factors, along with the specific requirements of the project planners and local authorities.

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 Gurley, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 16th of February 2025
Last Updated: Monday 21st of July 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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