Montgomery, Minnesota, located in the Northern Temperate Zone, presents a moderately favorable location for solar photovoltaic energy generation, though with significant seasonal variations that are typical for this latitude.
Seasonal Solar Performance
The solar energy output at this location shows dramatic seasonal swings. Summer delivers the strongest performance at 6.79 kWh per day per kW of installed solar capacity, making it the ideal season for solar generation. Spring follows as the second-best season with 5.22 kWh per day per kW, offering good energy production as daylight hours increase and the sun climbs higher in the sky. Autumn sees a notable decline to 3.36 kWh per day per kW as the sun angle decreases and weather patterns begin to shift. Winter presents the most challenging conditions with only 2.29 kWh per day per kW, representing roughly one-third of summer production levels.Optimal Panel Configuration
For a fixed panel installation at this Montgomery location, the ideal angle to tilt panels to maximize total year-round production is 38 degrees facing south. This angle is calculated by analyzing daily solar elevation angles throughout the year and weighting them by solar irradiance potential, accounting for Earth's elliptical orbit around the sun.Environmental and Weather Challenges
Several significant factors can impede solar production in Montgomery, Minnesota:- Snow accumulation during winter months can completely block solar panels
- Ice formation can reduce panel efficiency and create safety hazards
- Heavy cloud cover and overcast skies, particularly during winter
- Potential hail damage during severe thunderstorms
- High humidity and morning dew affecting panel surfaces
Preventative Measures for Better Performance
Installing solar panels with steeper tilt angles (closer to the recommended 38 degrees) helps snow slide off more easily rather than accumulating on panel surfaces. Ensuring adequate spacing between panel rows prevents snow from one row shadowing panels below when it slides off. Using panels with smooth, non-textured surfaces reduces snow and ice adhesion. Installing heating elements or snow guards can help manage winter precipitation, though the cost-benefit must be carefully evaluated given the already reduced winter output. Selecting panels rated for hail impact and ensuring proper grounding and surge protection helps protect against severe weather damage. Regular cleaning and maintenance become particularly important during high-pollen seasons and after dust storms. Proper ventilation behind panels prevents moisture buildup and helps maintain optimal operating temperatures during humid summer months. Installing monitoring systems allows for quick identification of performance issues caused by weather-related factors.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 Montgomery, Minnesota
Seasonal solar PV output for Latitude: 44.4338, Longitude: -93.5777 (Montgomery, Minnesota, 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 38° South in Montgomery, Minnesota, United States
To maximize your solar PV system's energy output in Montgomery, Minnesota, United States (Lat/Long 44.4338, -93.5777) throughout the year, you should tilt your panels at an angle of 38° 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 Montgomery, Minnesota, 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 Montgomery, Minnesota, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 38° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 28° South in Summer | 48° South in Autumn | 58° South in Winter | 37° 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 Montgomery, Minnesota, 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 Montgomery, Minnesota, 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 Montgomery, Minnesota, United States
Topography Around Montgomery, Minnesota
Montgomery sits in the gently rolling countryside of south-central Minnesota, approximately 45 miles south of Minneapolis-Saint Paul. The terrain in this region is characterized by relatively flat to gently undulating agricultural land, with elevations typically ranging from 900 to 1,100 feet above sea level. This area lies within the Minnesota River valley system, which has created a landscape of broad, fertile plains interspersed with subtle hills and shallow depressions.
The topography was largely shaped by glacial activity during the last ice age, resulting in a landscape dominated by glacial till plains and outwash areas. The Minnesota River flows roughly east-west through the broader region, creating a wide valley floor that extends for miles on either side of the river channel. This glacial legacy has left behind relatively gentle slopes and few significant elevation changes, making it ideal agricultural country.
The immediate area around Montgomery features predominantly farmland with scattered woodlots and wetlands. Small creeks and drainage ways meander through the landscape, creating minor topographic variations. The terrain generally slopes very gradually toward the Minnesota River valley to the north and east. Most of the land consists of cultivated fields growing corn, soybeans, and other row crops, with some areas dedicated to pasture and hay production.
Areas Most Suitable for Large-Scale Solar Development
The broad, flat agricultural plains surrounding Montgomery present excellent opportunities for large-scale solar photovoltaic installations. The most promising areas lie on the gently sloping uplands away from the immediate river bottoms, where drainage is good and the land is relatively level. These elevated areas typically offer unobstructed southern exposures with minimal shading from trees or other obstacles.
The agricultural fields stretching west and southwest of Montgomery are particularly well-suited for solar development. These areas feature large, contiguous parcels of relatively flat land with gentle south-facing slopes that would optimize solar panel orientation. The existing agricultural use means the land is already cleared of trees and other obstructions, reducing site preparation costs.
Areas to the north and east of Montgomery, while still relatively flat, may be less ideal due to their proximity to the Minnesota River floodplain and associated wetlands. These lower-lying areas may have drainage concerns and could be subject to environmental restrictions. The slightly higher ground to the south and west generally offers better drainage and fewer regulatory constraints.
The gently rolling terrain throughout the region allows for flexibility in siting solar arrays to take advantage of optimal slope angles and orientations. Many locations offer natural south-facing slopes of 2-5 degrees, which can enhance solar collection efficiency. The open agricultural landscape also provides excellent access for construction equipment and ongoing maintenance operations, with an established network of rural roads serving the farming community.
Scattered farm groves and windbreaks do exist throughout the area, but these are typically small and localized, leaving vast expanses of open land available for development. The relatively uniform topography means that large solar installations could be developed with minimal grading or site modification, keeping development costs reasonable while maximizing the usable area for solar panels.
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: Friday 8th of August 2025
Last Updated: Saturday 9th 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.




