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Flag of United StatesSolar PV Analysis of Stevens Point, United States

Graph of hourly avg kWh electricity output per kW of Solar PV installed in Stevens Point, United States (by season)

Stevens Point, Wisconsin presents a moderately challenging location for year-round solar energy generation, with significant seasonal variations typical of the Northern Temperate Zone climate.

Seasonal Solar Performance

The solar energy output at Stevens Point varies dramatically throughout the year. Summer provides the strongest performance at 6.43 kWh per day per kW of installed capacity, making it nearly three times more productive than the weakest winter period at just 2.16 kWh per day per kW. Spring offers good production at 5.10 kWh per day per kW, while autumn drops to 3.23 kWh per day per kW. This seasonal pattern means that roughly 60% of the annual solar energy production occurs during the warmer months from late spring through early fall. Winter months present the greatest challenge for solar generation, producing only about one-third of summer's output. For optimal year-round performance, fixed solar panels should be tilted at 38 degrees facing south. This angle maximizes total annual energy production by balancing the sun's changing position throughout the seasons.

Local Factors Affecting Solar Production

Several environmental and weather factors in Stevens Point can significantly impact solar energy generation:
  • Heavy snow accumulation during winter months can completely block panels
  • Ice formation can reduce panel efficiency and potentially cause damage
  • Frequent cloud cover and overcast skies during winter reduce available sunlight
  • High humidity levels can create condensation issues
  • Strong winds and occasional severe weather events pose structural risks

Preventative Installation Measures

To maximize solar production despite these challenges, several installation strategies prove effective. Panels should be mounted at steeper angles when possible to encourage snow shedding, though this must be balanced against the optimal 38-degree angle for maximum annual production. Installing panels with adequate spacing between rows prevents snow buildup from one panel blocking adjacent panels. Anti-reflective coatings and hydrophobic treatments help reduce ice formation and improve performance during humid conditions. Robust mounting systems designed for high wind loads and snow loading are essential. Regular maintenance access should be planned, as occasional snow removal may be necessary during extended winter storms. Battery storage systems become particularly valuable in this location to store excess summer production for use during the lower-producing winter months. Despite these challenges, Stevens Point can still support viable solar installations with proper planning and installation techniques to address the local climate 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 Stevens Point

Seasonal solar PV output for Latitude: 44.5561, Longitude: -89.5125 (Stevens Point, 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:

Summer
Average 6.43kWh/day in Summer.
Autumn
Average 3.23kWh/day in Autumn.
Winter
Average 2.16kWh/day in Winter.
Spring
Average 5.10kWh/day in Spring.

 

Ideally tilt fixed solar panels 38° South in Stevens Point, United States

To maximize your solar PV system's energy output in Stevens Point, United States (Lat/Long 44.5561, -89.5125) 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.

The sun
At Latitude: 44.5561, Longitude: -89.5125, the ideal angle to tilt panels is 38° South

Seasonally adjusted solar panel tilt angles for Stevens Point, 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 Stevens Point, 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

Assuming you can modify the tilt angle of your solar PV panels throughout the year, you can optimize your solar generation in Stevens Point, United States as follows: In Summer, set the angle of your panels to 28° facing South. In Autumn, tilt panels to 48° facing South for maximum generation. During Winter, adjust your solar panels to a 58° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 37° angle facing South to capture the most solar energy in Stevens Point, United States.

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 Stevens Point, 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 Stevens Point, 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.






Please enter information above to calculate panel spacing.

Topography for solar PV around Stevens Point, United States

Topographical Overview of Stevens Point

Stevens Point sits in the heart of Wisconsin's Central Sand Plain, a distinctive geographical region characterized by relatively flat terrain and sandy soils. The city is positioned at an elevation of approximately 1,080 feet above sea level, nestled along the Wisconsin River which flows northward through the area. The surrounding landscape represents a transition zone between the more rugged terrain to the north and the flatter agricultural lands extending southward. The topography around Stevens Point is generally gentle, with modest rolling hills and broad, open valleys. The Wisconsin River has carved a shallow valley through the region over thousands of years, creating a series of terraces and floodplains that define much of the local landscape. To the east and west of the river, the terrain gradually rises into low ridges and plateaus, though elevation changes are typically gradual rather than steep.

Regional Landscape Features

The Central Sand Plain extends for miles in all directions from Stevens Point, offering expansive areas of relatively level ground. This geological formation was created by ancient glacial lake deposits, resulting in well-drained sandy soils that support both agricultural activities and natural prairie remnants. The landscape is punctuated by numerous small lakes, wetlands, and stream corridors that add variety to an otherwise uniform topographical pattern. North of Stevens Point, the terrain begins to show more variation as it approaches the transition to Wisconsin's Northwoods region. Here, the landscape becomes more undulating with increased forest cover and a greater density of lakes and wetlands. South and west of the city, the topography remains consistently flat to gently rolling, extending into some of Wisconsin's most productive agricultural regions.

Optimal Areas for Large-Scale Solar Development

The expansive flat to gently rolling terrain surrounding Stevens Point creates numerous opportunities for large-scale solar photovoltaic installations. The most promising areas lie within the Central Sand Plain, particularly in the agricultural zones southwest and southeast of the city. These areas combine favorable topographical conditions with existing cleared land and good access to transportation infrastructure. The broad terraces above the Wisconsin River floodplain offer particularly attractive sites for solar development. These elevated areas provide excellent drainage while maintaining the gentle slopes that are ideal for solar panel installation. The sandy soils in these locations also facilitate easier construction and installation processes compared to areas with heavier clay soils. Agricultural lands in Portage County and adjacent counties present significant opportunities for solar development, either through dedicated solar farms or agrivoltaic systems that combine solar generation with continued farming activities. The consistent topography across large areas allows for efficient solar array layouts and simplified installation procedures. Areas to the west and southwest of Stevens Point, extending toward the communities of Plover and Whiting, offer some of the most suitable terrain for utility-scale solar projects. These locations benefit from minimal topographical constraints, good road access, and proximity to existing electrical infrastructure. The relatively open landscape also reduces potential shading issues that could impact solar panel performance.

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

Article: Solar PV Analysis of Stevens Point, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Sunday 22nd of June 2025
Last Updated: Tuesday 5th 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.

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