Idabel, Oklahoma 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 output data reveals substantial differences throughout the year at this Northern Sub Tropics location. Summer months deliver the strongest performance at 6.89 kWh per day per kW of installed capacity, making this the prime solar generation season. Spring follows as the second-best period with 5.27 kWh daily output, while autumn drops to 4.57 kWh per day. Winter presents the most challenging conditions for solar generation, producing only 2.68 kWh per day per kW installed. This represents less than 40% of summer production levels, indicating that residents relying heavily on solar power may need backup energy sources or substantial battery storage during winter months. For optimal year-round performance, solar panels at this location should be installed at a fixed tilt angle of 29 degrees facing south. This angle maximizes total annual energy production by accounting for the sun's changing position throughout the seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in the Idabel area can significantly impact solar energy generation:

• Severe Weather Events: Oklahoma experiences frequent thunderstorms, tornadoes, and hailstorms that can damage solar panels and reduce output through cloud cover
• High Humidity and Heat: The subtropical climate creates conditions that can reduce panel efficiency and accelerate equipment degradation
• Ice Storms: Winter ice accumulation can completely block solar panels and potentially cause structural damage
• Dust and Pollen: The region's agricultural activity and seasonal pollen can create surface buildup that reduces light transmission

Preventative Measures for Better Performance

Several installation strategies can help maximize solar output despite these challenges:

• Impact-Resistant Panels: Choose panels rated for hail impact and high wind loads to withstand severe weather
• Proper Mounting Systems: Install robust racking systems designed for Oklahoma's wind conditions and potential ice loading
• Regular Cleaning Schedule: Implement routine panel cleaning to remove dust, pollen, and debris buildup
• Adequate Ventilation: Ensure proper airflow behind panels to reduce heat buildup and maintain efficiency
• Professional Installation: Work with installers experienced in local weather patterns and building codes

Despite these challenges, Idabel's location offers reasonable solar potential, particularly during spring and summer months. The key to success lies in proper system design, quality equipment selection, and regular maintenance to address the specific environmental factors present in southeastern Oklahoma.

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 Idabel

Seasonal solar PV output for Latitude: 33.8957, Longitude: -94.8263 (Idabel, 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 29° South in Idabel, United States

To maximize your solar PV system's energy output in Idabel, United States (Lat/Long 33.8957, -94.8263) throughout the year, you should tilt your panels at an angle of 29° 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 Idabel, 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 Idabel, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 29° 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

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 Idabel, 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 Idabel, 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 Idabel, United States

Topographical Features Around Idabel

The terrain surrounding Idabel, Oklahoma is characterized by gently rolling hills and relatively low elevations typical of the southeastern Oklahoma landscape. This region sits within the Ouachita Mountains foothills, though the immediate area around Idabel features much more subdued topography than the dramatic peaks found further south. The elevation gradually rises and falls across the landscape, creating a series of modest ridges and shallow valleys that define the local geography. The area is part of the broader Coastal Plain physiographic province, which extends across much of the southeastern United States. This geological foundation creates relatively stable ground conditions with moderate relief. Most of the terrain features gentle slopes rather than steep inclines, making the region generally accessible for development and infrastructure projects. Forested areas dominate much of the landscape, with mixed hardwood and pine forests covering the rolling hills. These wooded areas are interspersed with cleared agricultural land, pastures, and small residential developments. The region's topography has been shaped by centuries of water erosion, creating a network of small creeks and drainage channels that flow through the valleys between the low hills.

Optimal Areas for Large-Scale Solar Development

The most suitable locations for large-scale solar photovoltaic installations around Idabel would be the cleared agricultural areas and open pasturelands that occupy the gentler slopes and valley floors. These areas offer the dual advantages of minimal tree cover and relatively flat terrain that requires less extensive site preparation compared to forested or steeply sloped locations. The broad valley areas southeast and southwest of Idabel present particularly promising opportunities, as these zones combine favorable topography with existing cleared land. These locations typically feature gentle grades that allow for efficient panel arrangement while providing adequate drainage to prevent water accumulation during heavy rainfall events. Areas with southern-facing slopes would be especially advantageous, as the natural tilt of the land can complement the optimal positioning of solar panels. However, the generally modest relief throughout the region means that even relatively flat areas would perform well for solar installations with properly designed mounting systems. Former agricultural fields that have been taken out of active production represent ideal candidates for solar development, as the land has already been cleared and leveled to some degree. These areas often have existing access roads and may be located near electrical infrastructure, reducing the overall development costs for large-scale solar projects. The key consideration for any solar development in this region would be avoiding the numerous forested areas, which would require extensive clearing and could face environmental permitting challenges. Instead, focusing on the existing open spaces within the gently rolling topography would provide the most practical and economically viable opportunities for large-scale solar installations.

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.