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Flag of United StatesSolar PV Analysis of Phil Campbell, United States

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

Phil Campbell, Alabama represents a moderately good location for year-round solar energy generation, situated in the Northern Sub Tropics at coordinates 34.3478, -87.7202. The area experiences significant seasonal variation in solar production, with strong performance during warmer months and considerably reduced output during winter.

Seasonal Solar Performance

The summer months deliver the strongest solar generation at 6.12 kWh per day per kW of installed capacity, making this the peak season for solar energy production. Spring follows closely behind with 5.85 kWh per day per kW, offering excellent conditions for solar panels. These two seasons represent the ideal times for solar generation at this location. Autumn production drops to 4.35 kWh per day per kW, which still provides reasonable energy output. Winter presents the most challenging conditions with only 2.69 kWh per day per kW, representing less than half of summer production levels. For optimal year-round performance, solar panels at Phil Campbell should be installed at a fixed tilt angle of 30 degrees facing south. This angle maximizes total annual energy production by accounting for the sun's changing position throughout the year and the area's specific latitude.

Local Factors Affecting Solar Production

Several environmental and weather factors in Phil Campbell could potentially impact solar energy generation. The region experiences typical southeastern weather patterns that include thunderstorms, particularly during spring and summer months, which can temporarily reduce solar output during storm events. Humidity levels in Alabama can be quite high, especially during summer months, which may lead to increased dust and pollen accumulation on solar panels. This buildup can reduce panel efficiency if not properly managed. The area is also prone to severe weather events including tornadoes and strong thunderstorms, which could pose risks to solar installations if not properly secured.

Preventative Measures for Optimal Performance

To maximize solar energy production despite these challenges, several preventative measures should be implemented:
  • Install panels with robust mounting systems designed to withstand high winds and severe weather conditions
  • Implement regular cleaning schedules to remove dust, pollen, and debris that accumulate on panel surfaces
  • Choose high-quality panels with good performance warranties that can handle humidity and temperature fluctuations
  • Ensure proper drainage around panel installations to prevent water pooling during heavy rainfall
  • Consider micro-inverters or power optimizers to minimize the impact of partial shading from passing clouds or debris
Regular maintenance and monitoring will help ensure that solar installations in Phil Campbell maintain optimal performance throughout the year, particularly during the highly productive spring and summer seasons when solar generation 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 Phil Campbell

Seasonal solar PV output for Latitude: 34.3478, Longitude: -87.7202 (Phil Campbell, 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 6.12kWh/day in Summer.
Autumn
Average 4.35kWh/day in Autumn.
Winter
Average 2.69kWh/day in Winter.
Spring
Average 5.85kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Phil Campbell, United States (Lat/Long 34.3478, -87.7202) 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: 34.3478, Longitude: -87.7202, the ideal angle to tilt panels is 30° South

Seasonally adjusted solar panel tilt angles for Phil Campbell, 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 Phil Campbell, 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 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 Phil Campbell, United States as follows: In Summer, set the angle of your panels to 18° facing South. In Autumn, tilt panels to 39° facing South for maximum generation. During Winter, adjust your solar panels to a 49° 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 Phil Campbell, 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 Phil Campbell, 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 Phil Campbell, 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 Phil Campbell, United States

Topographical Features Around Phil Campbell

Phil Campbell sits in the northwestern region of Alabama, nestled within the Appalachian foothills where the terrain transitions from the Tennessee Valley to the south and the Cumberland Plateau region to the north. The landscape around this small town is characterized by gently rolling hills, shallow valleys, and modest elevation changes that create a pleasantly undulating countryside typical of the southern Appalachian region. The elevation in and around Phil Campbell ranges from approximately 600 to 1,000 feet above sea level, with the town itself positioned at a moderate elevation that provides good drainage while avoiding the steeper slopes found further north. The topography consists primarily of weathered sedimentary rock formations that have been shaped by millions of years of erosion, creating the characteristic rounded hills and broad valleys that define this part of Alabama. Water features play an important role in shaping the local landscape. Several small creeks and tributaries wind through the area, creating narrow floodplains and wet bottomlands between the hills. These waterways have carved gentle valleys that provide natural corridors through the otherwise hilly terrain. The presence of these water sources also supports the lush vegetation that covers much of the region during the growing season.

Soil and Geological Characteristics

The underlying geology consists mainly of limestone, sandstone, and shale formations that are typical of the Tennessee Valley region. These rock types weather to create soils that vary from clay-heavy compositions in the valleys to sandier, well-draining soils on the hillsides and ridges. The limestone bedrock contributes to the slightly alkaline nature of many local soils and creates occasional sinkholes and underground drainage patterns characteristic of karst topography. Forest coverage is substantial throughout the region, with mixed hardwood and pine forests dominating the hillsides and ridgetops. Agricultural land use is common in the valleys and on gentler slopes, where farmers have cleared fields for pasture and crop production. This mosaic of forest and farmland creates a varied landscape that reflects both the natural topography and human land use patterns.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Phil Campbell would be the broad, gently sloping ridgetops and the flatter valley floors that have already been cleared for agricultural use. The ridgetops offer several advantages, including minimal shading from surrounding terrain, good air circulation for cooling equipment, and typically well-draining soils that facilitate construction and maintenance access. South-facing slopes with gradients between 5 and 15 degrees would be particularly well-suited for solar development, as they provide natural tilting toward the sun while remaining gentle enough for standard mounting systems and maintenance vehicle access. Many of the agricultural fields in the broader valleys also present excellent opportunities, especially those that are relatively flat and have good road access for construction and ongoing operations. Areas to avoid for solar development would include the steeper north-facing slopes, narrow valley bottoms prone to flooding, heavily forested ridgetops that would require extensive clearing, and locations with significant karst features that could complicate foundation installation. The presence of existing utility infrastructure, such as transmission lines and substations, would also influence site selection, with preference given to locations that can easily connect to the electrical grid. The rolling nature of the terrain means that solar installations would likely need to be designed as multiple smaller arrays that follow the natural contours of the land, rather than single massive installations. This approach would minimize grading requirements and reduce environmental impact while still achieving significant scale for commercial solar development.

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 Phil Campbell, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 18th of July 2025
Last Updated: Thursday 7th 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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