Wilburton, Oklahoma represents a moderately good location for year-round solar energy generation, though it experiences significant seasonal variation typical of continental climates in the Northern Sub Tropics.

Seasonal Solar Performance

The solar energy output at Wilburton shows clear seasonal patterns that reflect the area's climate. Summer provides the strongest performance at 6.82 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 5.13 kWh per day, offering excellent conditions as the sun climbs higher and weather patterns become more favorable. Autumn production drops to 4.60 kWh per day as daylight hours decrease and weather becomes less predictable. Winter presents the most challenging conditions with only 2.78 kWh per day, representing less than half of summer's output due to lower sun angles and increased cloud cover typical of Oklahoma winters.

Optimal Installation Setup

For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 31 degrees facing south. This angle is calculated to optimize total annual output by accounting for the sun's varying position throughout the year and weighting for the solar potential of each day.

Local Environmental Challenges

Several significant environmental factors in Wilburton can impact solar energy production and require careful consideration during installation:

• Severe Weather: Oklahoma experiences frequent thunderstorms, hail, and occasional tornadoes that can damage solar equipment
• High Humidity and Heat: Summer conditions can reduce panel efficiency and accelerate equipment degradation
• Dust and Pollen: Agricultural activities and seasonal pollen can accumulate on panels, reducing light transmission
• Ice Storms: Winter ice accumulation can block panels and potentially cause structural damage

Preventative Measures for Enhanced Performance

To maximize solar production despite these challenges, several installation strategies prove effective:

• Impact-Resistant Panels: Use panels rated for hail impact and high wind loads to withstand severe weather
• Proper Mounting: Install robust mounting systems designed for high wind zones with adequate structural support
• Regular Cleaning Schedule: Implement routine panel cleaning to remove dust, pollen, and debris, especially during spring and summer
• Adequate Ventilation: Ensure proper airflow around panels to reduce heat buildup and maintain efficiency during hot summers
• Quality Inverters: Choose inverters rated for extreme temperature variations and high humidity environments

The seasonal variation at Wilburton means that while summer and spring provide excellent solar generation opportunities, winter production will be limited. However, with proper installation techniques that account for local weather patterns, this location can provide reliable renewable energy throughout most of the year.

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 Wilburton

Seasonal solar PV output for Latitude: 34.9187, Longitude: -95.3091 (Wilburton, 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 Wilburton, United States

To maximize your solar PV system's energy output in Wilburton, United States (Lat/Long 34.9187, -95.3091) 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 Wilburton, 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 Wilburton, 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	50° 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 Wilburton, 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 Wilburton, 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 Wilburton, United States

Topographical Features of the Wilburton Area

Wilburton sits in the heart of southeastern Oklahoma's diverse landscape, characterized by rolling hills, forested ridges, and river valleys that define the transition zone between the Ouachita Mountains to the south and the more level terrain to the north. The town itself rests at an elevation of approximately 650 feet above sea level, positioned within a region where the topography varies considerably over relatively short distances.

The surrounding landscape features a mix of moderate hills and valleys carved by numerous creeks and streams that flow toward larger waterways including the Canadian River system. Dense forests of oak, pine, and hickory cover much of the higher elevations, while agricultural lands and pastures occupy the gentler slopes and valley floors. The terrain becomes increasingly rugged as one moves southward toward the Ouachita Mountains, with steeper grades and more pronounced elevation changes.

To the north and west of Wilburton, the topography gradually flattens into the broader plains that characterize much of central Oklahoma. These areas feature more consistent elevations with gentler undulations, creating expanses of farmland and grassland that stretch toward the horizon. The soil composition varies from the rocky, thin soils common on hillsides to the deeper, more fertile soils found in the valley bottoms and flatter agricultural areas.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Wilburton would be the relatively flat to gently rolling agricultural lands and cleared pastures found primarily to the north and northwest of the town. These areas offer the ideal combination of minimal slope, reduced shading from topographical features, and existing cleared land that would require less preparation for solar panel installation.

The broad valley floors and plateau areas that extend northward provide particularly attractive sites, as they typically feature consistent elevations with gradual grade changes that facilitate efficient panel layout and maintenance access. Many of these locations are currently used for cattle grazing or crop production, indicating soil stability and accessibility via existing farm roads and infrastructure.

Areas to the west and southwest of Wilburton also present good opportunities, particularly where the landscape opens into wider valley systems with southern or southwestern exposures. These locations benefit from natural clearings and established agricultural use, while avoiding the steeper terrain and heavier forest cover that characterizes the more mountainous regions to the south.

The heavily forested hillsides and steeper slopes common throughout the region would be less suitable for large-scale solar development due to the significant costs associated with land clearing, the challenges of installing equipment on uneven terrain, and potential shading issues from surrounding topographical features. Additionally, the rocky soils and irregular drainage patterns found on many hillsides would complicate construction and long-term maintenance operations.

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.