Hornick, Iowa represents a moderately suitable location for year-round solar energy generation, though with significant seasonal variations typical of the Northern Temperate Zone climate.
Seasonal Solar Production Patterns
The solar energy output at this location shows dramatic seasonal swings. Summer delivers the strongest performance at 7.08 kWh per day per kW of installed capacity, making it nearly three times more productive than the weakest winter period at 2.58 kWh per day per kW. Spring provides solid mid-range production at 5.36 kWh per day per kW, while autumn drops to 3.66 kWh per day per kW. The most productive months for solar generation occur during late spring through early fall, with peak performance typically happening in the summer months when the sun reaches its highest angles and daylight periods are longest. Winter presents the greatest challenge for consistent solar energy production.Optimal Panel Configuration
For maximum year-round energy production at Hornick, Iowa, solar panels should be installed at a fixed tilt angle of 37 degrees facing south. This angle has been calculated to optimize total annual output by accounting for the sun's varying elevation throughout the year and weighting these angles based on actual solar irradiance data.Local Factors Affecting Solar Production
Several environmental and weather factors in this Iowa location can significantly impact solar energy generation:- Heavy snow accumulation during winter months can block panels completely
- Frequent thunderstorms and hail during spring and summer pose equipment damage risks
- High humidity levels can reduce panel efficiency
- Agricultural dust and pollen from surrounding farmland can coat panels
- Strong prairie winds can stress mounting systems
Preventative Installation Measures
To maximize solar production despite these challenges, several installation strategies prove effective. Mounting panels at the recommended 37-degree angle naturally helps snow slide off more easily, reducing winter blockages. Installing robust mounting systems designed for high wind loads protects against prairie wind damage. Regular cleaning schedules become particularly important in this agricultural setting to remove dust and pollen buildup. Consider installing panels with anti-reflective coatings that resist soiling and perform better in humid conditions. Hail-resistant panels with tempered glass and reinforced frames provide essential protection against severe weather damage common in this region. Proper grounding and surge protection systems also help safeguard equipment during the frequent thunderstorm activity typical of Iowa's climate.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 Hornick
Seasonal solar PV output for Latitude: 42.2306, Longitude: -96.0975 (Hornick, 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 37° South in Hornick, United States
To maximize your solar PV system's energy output in Hornick, United States (Lat/Long 42.2306, -96.0975) throughout the year, you should tilt your panels at an angle of 37° 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 Hornick, 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 Hornick, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 37° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 26° South in Summer | 46° South in Autumn | 56° South in Winter | 35° 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 Hornick, 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 Hornick, 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 Hornick, United States
Topographical Features Around Hornick
Hornick sits in the gently rolling landscape of western Iowa, positioned within the broader Missouri River valley system. The terrain in this region is characterized by relatively flat to gently undulating agricultural land, with elevations that gradually decrease from east to west toward the Missouri River floodplain. The area exhibits the classic features of glacially-influenced topography, with subtle rises and depressions that create a landscape well-suited to farming.
The immediate vicinity around Hornick features predominantly level terrain with gentle slopes, typical of the Great Plains agricultural region. Small creek systems and drainage channels meander through the area, creating minor variations in elevation. These waterways generally flow in a westward direction toward the Missouri River, which lies approximately ten miles to the west of the community.
To the east of Hornick, the land gradually rises into the Loess Hills region, where wind-deposited soils have created more pronounced topographical features over thousands of years. However, the immediate area around Hornick remains relatively flat, making it part of the transitional zone between the river bottom lands and the more elevated terrain further inland.
Optimal Areas for Large-Scale Solar Development
The flat to gently rolling agricultural lands surrounding Hornick present excellent opportunities for large-scale solar photovoltaic installations. The most suitable areas would be the expansive crop fields that extend in all directions from the community, particularly those with minimal slope variations and good access to existing infrastructure.
Areas to the south and southwest of Hornick offer particularly favorable conditions for solar development. These zones feature extensive flat agricultural parcels with minimal shading from trees or structures, and the terrain requires little to no grading for solar panel installation. The open nature of this agricultural landscape ensures unobstructed exposure to sunlight throughout the day.
The region north and east of Hornick also presents viable options for solar development, with large contiguous agricultural areas that could accommodate substantial solar arrays. These areas benefit from the same gentle topography and open exposure that characterizes much of the surrounding landscape.
Transportation infrastructure in the area provides additional advantages for solar development. The proximity to state and county roads facilitates equipment transport and maintenance access, while the existing electrical grid infrastructure serving the agricultural community could potentially support power transmission from solar installations.
Agricultural lands currently used for corn and soybean production represent the most practical locations for solar development, as these areas already feature the cleared, open conditions ideal for photovoltaic systems. The relatively uniform elevation across these agricultural zones minimizes the need for extensive site preparation and allows for efficient solar panel layout and orientation.
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: Monday 21st of July 2025
Last Updated: Thursday 7th 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.




