Poteau, Oklahoma presents a moderately favorable location for year-round solar energy generation, though with significant seasonal variations in output. The location experiences substantial differences in solar production throughout the year, making it more suitable for certain seasons than others.

Seasonal Solar Performance

Summer represents the peak solar generation period at this location, producing 6.86 kWh per day per kW of installed capacity. This strong summer performance makes it an excellent time for maximizing solar energy production. Spring follows as the second-best season with 5.22 kWh per day per kW, providing solid energy generation during this period. Autumn shows a notable decline in solar output at 4.49 kWh per day per kW, while winter presents the most challenging conditions with only 2.64 kWh per day per kW of installed capacity. This winter reduction of more than 60% compared to summer output represents a significant seasonal challenge for consistent year-round energy production.

Optimal Panel Configuration

For fixed panel installations at this Poteau location, the ideal tilt angle is 31 degrees facing south to maximize total year-round solar production. This angle has been calculated to optimize energy capture across all seasons, balancing the varying sun angles throughout the year.

Local Environmental Factors

Several environmental and weather factors in the Poteau area can significantly impact solar energy production:

• Severe Weather Events: Oklahoma experiences frequent thunderstorms, hail, and occasional tornadoes that can damage solar panels and reduce output
• High Humidity and Heat: Summer temperatures and humidity levels can reduce panel efficiency and accelerate equipment degradation
• Dust and Pollen: The region's agricultural activity and seasonal pollen can create film buildup on panels, reducing light transmission
• Ice and Snow: Winter weather can temporarily cover panels and create additional weight stress on mounting systems

Preventative Installation Measures

To maximize energy production despite these challenges, several preventative measures should be considered during installation:

• Impact-Resistant Panels: Choose panels rated for hail impact and high wind loads to withstand severe weather
• Robust Mounting Systems: Install reinforced mounting hardware designed for high wind zones and potential ice loading
• Regular Cleaning Access: Design installations with safe access for periodic cleaning to remove dust, pollen, and debris
• Adequate Ventilation: Ensure proper airflow around panels to minimize heat buildup and maintain efficiency during hot summers
• Professional Monitoring: Implement monitoring systems to quickly identify performance issues caused by weather damage or debris accumulation

While Poteau's location provides decent solar potential, particularly during summer and spring months, the significant seasonal variation and local environmental challenges require careful planning and quality equipment selection to ensure optimal long-term performance.

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 Poteau

Seasonal solar PV output for Latitude: 35.0606, Longitude: -94.6096 (Poteau, 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 Poteau, United States

To maximize your solar PV system's energy output in Poteau, United States (Lat/Long 35.0606, -94.6096) 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 Poteau, 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 Poteau, 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	39° South in Autumn	51° South in Winter	28° 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 Poteau, 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 Poteau, 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 Poteau, United States

Topographical Features Around Poteau

The area surrounding Poteau, Oklahoma sits within the foothills of the Ouachita Mountains, creating a landscape characterized by rolling hills, wooded ridges, and river valleys. This region represents the transition zone between the Arkansas River Valley to the north and the more mountainous terrain of the Ouachitas to the south. The topography consists of moderate elevation changes, with hills typically ranging from gentle slopes to more pronounced ridges that run in an east-west direction, following the geological pattern of the ancient Ouachita Mountain system. The Poteau River flows through the area, creating fertile bottomlands and floodplains that contrast with the surrounding uplands. These river bottoms and associated tributaries have carved valleys through the landscape, resulting in a varied terrain of ridgetops, hillsides, and valley floors. The elevation changes are generally gradual rather than steep, with most slopes being manageable for development purposes. Much of the natural landscape remains forested, dominated by oak, hickory, and pine species typical of the Arkansas-Oklahoma border region. However, significant portions have been cleared for agriculture, particularly in the flatter valley areas and gentler hillsides. Pastureland for cattle grazing represents a major land use, along with some row crop production in suitable areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Poteau would be the cleared agricultural lands, particularly those with south-facing slopes and minimal shading from surrounding ridges or forest cover. The gentler hillsides that have been converted to pastureland offer excellent opportunities, as they often provide good solar exposure while avoiding the potential flooding issues associated with river bottomlands. Ridge tops and upper hillsides that have been cleared present ideal conditions for solar development, as they typically receive maximum solar exposure throughout the day with minimal shading from adjacent terrain features. These elevated positions also tend to have better air circulation, which can help maintain optimal operating temperatures for solar panels. The agricultural areas in the broader valleys, while flatter and easier to develop, would require careful consideration of flood risk and seasonal water table fluctuations. However, many of these areas that are well-drained and situated above typical flood levels could serve as excellent solar sites, particularly those with southern exposure and minimal tree cover along their perimeters. Areas to avoid would include the heavily forested ridges and hillsides, which would require extensive clearing and might face environmental restrictions. Similarly, the immediate floodplains of the Poteau River and its tributaries would present challenges due to periodic flooding and potentially unstable soil conditions. The steeper north-facing slopes throughout the region would also be less suitable due to reduced solar exposure and potential installation challenges.

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

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.