Eunice, New Mexico presents a highly favorable location for year-round solar energy generation, positioned in the Northern Sub Tropics at coordinates 32.438°N, -103.1678°W. The area demonstrates strong solar production potential across all seasons, making it an excellent choice for solar photovoltaic installations.
Seasonal Solar Performance
The location shows impressive energy output throughout the year, with summer delivering the highest production at 7.82 kWh per day per kW of installed solar capacity. Spring follows closely behind with 7.28 kWh per day per kW, creating an extended period of peak solar generation from roughly March through September. Autumn maintains solid performance at 5.57 kWh per day per kW, while winter represents the lowest production period at 3.96 kWh per day per kW. Even during the winter months, the output remains quite respectable for solar energy generation, indicating consistent year-round viability.Optimal Installation Configuration
For maximum year-round energy production at this location, solar panels should be installed at a fixed tilt angle of 29 degrees facing south. This angle has been calculated to optimize total annual solar output by accounting for the sun's changing position throughout the year and weighting the angles based on actual solar irradiance data.Environmental and Weather Considerations
Several local factors in the Eunice area could potentially impact solar energy production and should be addressed during installation planning:- Dust and Sand Accumulation: The high desert environment of southeastern New Mexico experiences frequent wind-blown dust and occasional sandstorms that can coat solar panels, reducing their efficiency significantly
- Hail Events: The region occasionally experiences severe thunderstorms with large hail that could damage solar panels
- High Winds: Strong winds associated with weather fronts and thunderstorms can stress mounting systems and potentially damage installations
- Temperature Extremes: While high temperatures are generally good for solar production, extreme heat can reduce panel efficiency, and the area can experience significant temperature swings
Preventative Measures for Optimal Performance
To maximize energy production and protect the solar installation from these environmental challenges, several preventative measures should be implemented: Regular cleaning schedules are essential, with panels needing cleaning every 2-4 weeks during dusty periods. Installing automated cleaning systems or designing panels with steeper tilt angles can help dust slide off more easily. Anti-soiling coatings on panels can also reduce dust adhesion. For hail protection, choosing panels with tempered glass rated for larger hail impacts and considering hail guards or protective screens during severe weather warnings can prevent costly damage. Some installers recommend slightly angling panels to deflect rather than take direct hail impacts. Robust mounting systems designed for high wind loads are crucial, with proper engineering calculations for local wind speeds. Ground-mounted systems should use deep foundations, while roof-mounted systems need adequate structural support and secure attachment points. Temperature management can be improved through proper spacing between panels and mounting surfaces to allow air circulation, preventing excessive heat buildup that reduces efficiency. Choosing panels with better temperature coefficients can also help maintain performance during extreme heat. Overall, Eunice, New Mexico offers excellent conditions for solar energy generation throughout the year, with the spring and summer months providing peak performance periods. With proper installation techniques and regular maintenance to address the desert environment's challenges, solar installations at this location can achieve outstanding long-term energy production.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 Eunice
Seasonal solar PV output for Latitude: 32.438, Longitude: -103.1678 (Eunice, 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 Eunice, United States
To maximize your solar PV system's energy output in Eunice, United States (Lat/Long 32.438, -103.1678) 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 Eunice, 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 Eunice, 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 |
|---|---|---|---|
| 16° South in Summer | 37° South in Autumn | 47° South in Winter | 25° 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 Eunice, 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 Eunice, United States.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Eunice, United States
Topography Around Eunice
The landscape surrounding Eunice in southeastern New Mexico is characterized by relatively flat to gently rolling terrain typical of the Llano Estacado region. This area sits on the southern edge of the Great Plains, where the topography consists primarily of broad, open plains with minimal elevation changes. The terrain gradually slopes from west to east, with elevations ranging from approximately 2,800 to 3,200 feet above sea level in the immediate vicinity.
The region features expansive stretches of semi-arid grassland and agricultural fields, with scattered mesquite and other drought-resistant vegetation. Natural drainage patterns are subtle, as the area lacks significant hills, valleys, or major topographical obstacles. The landscape is punctuated by occasional low ridges and shallow draws, but these features rarely present substantial elevation differences of more than 50 to 100 feet.
Oil and gas infrastructure is prevalent throughout the area, reflecting the region's position within the Permian Basin. This includes well sites, access roads, and associated facilities that have modified the natural terrain in localized areas. Despite this industrial presence, large expanses of undeveloped land remain available.
Optimal Areas for Large-Scale Solar Development
The flat to gently rolling topography around Eunice presents excellent conditions for large-scale solar photovoltaic installations. The most suitable areas lie to the north and northwest of the city, where extensive tracts of relatively level land offer minimal grading requirements and optimal solar access. These areas benefit from unobstructed southern exposure and consistent terrain that facilitates efficient panel layout and maintenance access.
The southeastern portions of the region also show strong potential, particularly where the land maintains consistent gentle slopes facing south or southwest. These areas would require minimal site preparation while maximizing solar collection efficiency throughout the day. The absence of significant topographical barriers means that large installations could be developed with standardized mounting systems and uniform panel spacing.
Areas with existing agricultural use may present opportunities for solar development, particularly on lands that are marginally productive for farming due to water limitations or soil conditions. The relatively flat terrain in these locations would allow for cost-effective construction and maintenance of solar arrays while potentially providing supplemental income to landowners.
When selecting specific sites, developers should prioritize areas with the most level terrain to minimize earthwork costs and ensure optimal panel performance. The region's generally consistent topography means that transmission infrastructure can be efficiently planned and implemented, connecting solar installations to existing electrical grid networks that serve the oil and gas industry.
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
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 1st of July 2025
Last Updated: Wednesday 6th 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.
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.




