Lincoln, Arkansas, located in the Northern Temperate Zone at coordinates 35.9564, -94.4279, 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 energy output at this location shows dramatic seasonal swings. Summer delivers the strongest performance at 6.86 kWh per day per kW of installed solar capacity, making it the peak season for solar generation. Spring follows as the second-best season with 5.22 kWh per day per kW, while autumn drops to 4.49 kWh per day per kW. Winter presents the most challenging period, producing only 2.64 kWh per day per kW of installed capacity. This seasonal pattern means that summer generates nearly three times more solar energy than winter at this location. The ideal times for solar generation are clearly the warmer months from late spring through early fall, with summer being particularly productive.

Optimal Panel Installation

For maximum year-round solar energy production at Lincoln, Arkansas, fixed solar panels should be tilted at 31 degrees facing south. This angle has been calculated to optimize total annual energy output by accounting for the sun's changing position throughout the year and weighting the angle based on actual solar irradiance data.

Local Environmental Challenges

Several environmental and weather factors in Lincoln, Arkansas can significantly impact solar energy production:

• Severe Weather Events: Arkansas experiences frequent thunderstorms, hail, tornadoes, and ice storms that can damage solar panels or reduce their efficiency
• High Humidity and Heat: The region's humid subtropical climate can reduce panel efficiency and accelerate equipment degradation
• Tree Coverage: The heavily forested Arkansas landscape often creates shading issues that can dramatically reduce solar output
• Dust and Pollen: Seasonal pollen from the region's abundant vegetation and dust from agricultural activities can coat panels and reduce efficiency

Preventative Measures for Better Performance

To maximize solar energy production despite these challenges, several preventative measures should be implemented:

• Impact-Resistant Panels: Install panels rated for severe weather conditions, including hail impact resistance and high wind load ratings
• Proper Ventilation: Ensure adequate airflow around panels to combat efficiency losses from high heat and humidity
• Strategic Placement: Conduct thorough shade analysis and consider tree trimming or removal to eliminate shading during peak sun hours
• Regular Cleaning Schedule: Implement quarterly cleaning routines during high pollen seasons and after dust storms
• Quality Mounting Systems: Use robust mounting hardware designed for high wind loads and thermal expansion in hot, humid climates

While Lincoln, Arkansas faces some environmental challenges for solar installation, proper planning and preventative measures can help ensure reliable solar energy production throughout the year, with particularly strong performance during the summer months.

Note: The Northern Temperate Zone extends from 35° latitude North up to 66.5° 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 Lincoln, Arkansas

Seasonal solar PV output for Latitude: 35.9564, Longitude: -94.4279 (Lincoln, Arkansas, 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:

 

Ideally tilt fixed solar panels 31° South in Lincoln, Arkansas, United States

To maximize your solar PV system's energy output in Lincoln, Arkansas, United States (Lat/Long 35.9564, -94.4279) 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.

Seasonally adjusted solar panel tilt angles for Lincoln, Arkansas, 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 Lincoln, Arkansas, 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
20° South in Summer	40° South in Autumn	51° South in Winter	29° South in Spring

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 Lincoln, Arkansas, 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 Lincoln, Arkansas, 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.

Topography for solar PV around Lincoln, Arkansas, United States

Topographical Features Around Lincoln, Arkansas

Lincoln sits in the heart of the Arkansas River Valley region, characterized by relatively gentle rolling hills and broad river valleys that define much of northwestern Arkansas. The terrain around this area represents a transition zone between the more mountainous Ozark Plateau to the north and the flatter Arkansas River bottomlands to the south. The landscape features moderate elevation changes with hills typically rising 200 to 400 feet above the surrounding valleys. The region displays a mix of agricultural land, pastures, and forested areas, with the Arkansas River system creating fertile bottomlands and terraces. These river valleys tend to be wide and relatively flat, making them historically attractive for farming and development. The underlying geology consists primarily of sedimentary rocks, including sandstone and shale formations that weather into moderately fertile soils.

Terrain Characteristics for Solar Development

The topography around Lincoln presents several advantages for large-scale solar photovoltaic installations. The rolling hills provide numerous south-facing slopes that would be ideal for solar panel orientation, while the relatively gentle gradients mean that extensive grading and earthwork would typically not be required for most installations. The open agricultural areas and pastures offer large, relatively flat parcels of land that could accommodate utility-scale solar farms without significant topographical constraints. The river valley floors represent particularly promising locations for solar development due to their flat terrain and typically clear sight lines. These areas often have minimal tree cover and good accessibility for construction equipment and ongoing maintenance operations. The moderate elevation changes throughout the region also provide opportunities for strategic placement of solar arrays to minimize shading between panel rows while maximizing ground coverage efficiency.

Optimal Areas for Large-Scale Solar Projects

The most suitable locations for significant solar installations would be the cleared agricultural lands and pastures found throughout the river valleys and on the gentler hillsides. These areas typically offer the combination of flat to gently sloping terrain, minimal existing vegetation, and good road access that large-scale solar projects require. The bottomlands near the Arkansas River system would be particularly attractive due to their expansive flat areas and proximity to existing electrical transmission infrastructure. South and southwest-facing slopes throughout the region would provide optimal solar exposure while requiring minimal site preparation. Many of these slopes have been cleared for agricultural use, eliminating the need for extensive tree removal. The rolling nature of the terrain also allows for strategic site selection to avoid areas with significant drainage issues or unstable soils, while still providing ample suitable acreage for large installations. Areas to potentially avoid would include the steeper hillsides with significant tree cover, narrow valley bottoms prone to flooding, and locations with challenging access for construction equipment. However, the generally moderate topography means that unsuitable areas are relatively limited, leaving substantial opportunities for solar development throughout the Lincoln region.

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!

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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.

Helping you assess viability of solar PV for your site

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.