New Ulm, Minnesota, located in the Northern Temperate Zone, offers varying potential for solar energy production throughout the year. The city's location at latitude 44.3056 and longitude -94.4694 experiences significant seasonal fluctuations in solar output.
Seasonal Solar Performance
Summer stands out as the most productive season for solar energy in New Ulm, with an impressive daily output of 6.87 kWh per kW of installed solar capacity. This high performance is due to longer daylight hours and the sun's higher position in the sky. Spring follows as the second-best season, generating 5.25 kWh per day for each kW installed. This season sees a notable increase in solar potential as days lengthen and the sun's angle improves. Autumn experiences a moderate decline in solar production, with 3.44 kWh per day per kW installed. The shortening days and lower sun angle contribute to this decrease. Winter presents the greatest challenge for solar energy in New Ulm, with daily production dropping to 2.39 kWh per kW installed. Shorter days, lower sun angles, and potential snow cover all contribute to reduced output during this season.Optimal Panel Installation
To maximize year-round solar production in New Ulm, fixed solar panels should be installed at a tilt angle of 38 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the varying sun angles across seasons.Environmental and Weather Considerations
Several factors can impact solar production in New Ulm: 1. Snow accumulation: Winter snowfall can cover panels, reducing efficiency. Regular snow removal or installing panels at a steeper angle can help mitigate this issue. 2. Cloud cover: The region experiences significant cloud cover, particularly in winter. Using high-efficiency panels can help maximize production even in low-light conditions. 3. Temperature extremes: Very cold winters and hot summers can affect panel efficiency. Choosing temperature-resistant panels and ensuring proper ventilation can help maintain performance. 4. Shading from trees: New Ulm has many trees that could potentially shade panels. Careful site selection and tree trimming may be necessary to maximize sun exposure. By addressing these factors during installation and maintenance, solar energy systems in New Ulm can achieve better year-round performance, despite the challenging winter conditions.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 New Ulm
Seasonal solar PV output for Latitude: 44.3056, Longitude: -94.4694 (New Ulm, 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 New Ulm, United States
To maximize your solar PV system's energy output in New Ulm, United States (Lat/Long 44.3056, -94.4694) 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 New Ulm, 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 New Ulm, 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 New Ulm, 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 New Ulm, 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 New Ulm, United States
The landscape surrounding New Ulm, Minnesota, is characterized by gently rolling hills and flat plains typical of the Midwestern United States. This area, located in south-central Minnesota, sits within the Minnesota River Valley, which has played a significant role in shaping the local topography over thousands of years. To the north and east of New Ulm, the terrain is relatively flat, consisting of fertile agricultural lands that stretch for miles. These expansive plains are dotted with small lakes, ponds, and occasional wooded areas. As you move closer to the Minnesota River, which flows just north of the city, the land becomes more varied, with subtle changes in elevation creating a patchwork of small hills and shallow valleys. South and west of New Ulm, the topography becomes slightly more pronounced. Here, you'll find more noticeable hills and ridges, some of which offer scenic views of the surrounding countryside. These features are remnants of ancient glacial activity that sculpted much of Minnesota's landscape during the last ice age.
Potential Areas for Large-Scale Solar PV
When considering locations for large-scale solar photovoltaic (PV) installations near New Ulm, several factors come into play. The most suitable areas would generally be found in the flatter regions to the north and east of the city. These locations offer several advantages for solar energy development: Firstly, the relatively level terrain in these areas makes construction and maintenance of solar arrays more straightforward and cost-effective. The lack of significant slopes or undulations means less earth-moving would be required during the installation process. Secondly, many of these areas are currently used for agriculture, which often means they are already cleared of trees and other obstructions that could potentially shade solar panels. The open nature of these lands allows for maximum sun exposure throughout the day. Additionally, the proximity to existing infrastructure, such as roads and power lines, in the agricultural areas surrounding New Ulm could make it easier to connect new solar installations to the grid and transport equipment during construction. It's worth noting that while the hillier regions to the south and west might offer some suitable locations, they generally present more challenges for large-scale solar development due to increased shading and more complex terrain. Any potential solar project would, of course, need to consider local zoning laws, environmental impacts, and the interests of local communities and landowners. However, the combination of favorable topography and existing land use patterns makes the areas north and east of New Ulm particularly promising for large-scale solar PV development.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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Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 10th of December 2024
Last Updated: Monday 21st of July 2025
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Compare this location to others worldwide for solar PV potential
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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.
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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.




