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Flag of United StatesSolar PV Analysis of Muscle Shoals, United States

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

Solar Energy Potential in Muscle Shoals, Alabama

Muscle Shoals, Alabama, located in the Northern Sub Tropics at coordinates 34.7609, -87.623, offers a reasonably good location for generating solar energy throughout the year. The city experiences varying levels of solar potential across different seasons, which impacts the efficiency of solar PV systems.

Seasonal Solar Output

The solar energy production in Muscle Shoals fluctuates significantly throughout the year. Summer stands out as the most productive season, with an average daily output of 6.11 kWh per kW of installed solar capacity. Spring follows closely behind, generating 5.87 kWh/day. Autumn sees a moderate decrease in production, yielding 4.40 kWh/day. Winter experiences the lowest output, with only 2.74 kWh/day.

Ideal Generation Periods

The most favorable times for solar energy generation in Muscle Shoals are during the summer months and late spring. These periods benefit from longer daylight hours and higher sun angles, maximizing solar panel efficiency. The transition months of early fall can also provide good solar yields.

Panel Tilt Optimization

For fixed panel installations in Muscle Shoals, the ideal tilt angle to maximize year-round solar production is 31 degrees facing South. This angle optimizes the panels' exposure to sunlight throughout the year, accounting for seasonal variations in the sun's position.

Environmental and Weather Considerations

While Muscle Shoals generally offers favorable conditions for solar energy production, there are some factors that could potentially impact system performance: 1. Humidity: The region's subtropical climate can lead to high humidity levels, which may slightly reduce panel efficiency. 2. Thunderstorms: Frequent summer thunderstorms can temporarily decrease solar output. 3. Cloud cover: Occasional periods of extended cloud cover, particularly in winter, can reduce solar generation. To mitigate these factors, consider the following preventative measures:
  • Use high-quality, weather-resistant solar panels designed to perform well in humid conditions.
  • Install a robust mounting system capable of withstanding strong winds during storms.
  • Implement a regular cleaning schedule to remove any debris or dust that may accumulate on the panels.
  • Consider adding a battery storage system to help balance energy production during cloudy periods.
Overall, while Muscle Shoals experiences some seasonal variations and weather-related challenges, it remains a viable location for solar energy production with proper system design and maintenance.

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 Muscle Shoals

Seasonal solar PV output for Latitude: 34.7609, Longitude: -87.623 (Muscle Shoals, 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 6.11kWh/day in Summer.
Autumn
Average 4.40kWh/day in Autumn.
Winter
Average 2.74kWh/day in Winter.
Spring
Average 5.87kWh/day in Spring.

 

Ideally tilt fixed solar panels 31° South in Muscle Shoals, United States

To maximize your solar PV system's energy output in Muscle Shoals, United States (Lat/Long 34.7609, -87.623) throughout the year, you should tilt your panels at an angle of 31° 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: 34.7609, Longitude: -87.623, the ideal angle to tilt panels is 31° South

Seasonally adjusted solar panel tilt angles for Muscle Shoals, 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 Muscle Shoals, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 31° South tilt angle throughout the year.

Overall Best Summer Angle Overall Best Autumn Angle Overall Best Winter Angle Overall Best Spring Angle
19° 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 Muscle Shoals, United States as follows: In Summer, set the angle of your panels to 19° 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 Muscle Shoals, 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 Muscle Shoals, 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 Muscle Shoals, 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 Muscle Shoals, United States

The area surrounding Muscle Shoals, Alabama, is characterized by a diverse and gently rolling landscape. Situated in the northwestern part of the state, this region is part of the Tennessee Valley, which is known for its varied topography. The land around Muscle Shoals features a mix of low hills, shallow valleys, and flat plains, creating a picturesque and varied terrain. The Tennessee River, a major geographical feature of the area, flows through the region, shaping much of the local topography. The river has carved out a wide valley, leaving behind rich alluvial soils in the floodplains. These flat, fertile areas near the river are ideal for agriculture and have historically been important for the region's economy. Moving away from the river, the landscape gradually becomes more undulating. Low, rolling hills begin to appear, covered in a mix of deciduous forests and open fields. These hills are part of the southern extent of the Appalachian Plateau, which gives the area its characteristic gentle slopes and modest elevations.

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 combine flat or gently sloping terrain, ample sunlight exposure, and proximity to existing infrastructure. The flat plains and open fields found throughout the region, particularly those slightly elevated from the river valley, could be excellent candidates for solar farms. These areas often receive consistent sunlight throughout the day and would require minimal land preparation for installation. Some of the gently rolling hills to the south and east of Muscle Shoals might also be suitable, especially those with south-facing slopes. These locations could potentially capture more sunlight throughout the day, increasing the efficiency of solar panels. However, it's important to note that while the topography is generally favorable for solar PV, other factors such as local zoning laws, proximity to power grid infrastructure, and environmental considerations would also play crucial roles in determining the most suitable locations for large-scale solar projects in the Muscle Shoals area.

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 Muscle Shoals, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Wednesday 27th of November 2024
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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