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Flag of United StatesSolar PV Analysis of Slinger, United States

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

Slinger, Wisconsin, located in the Northern Temperate Zone, offers varying potential for solar PV energy generation throughout the year. This location experiences significant seasonal fluctuations in solar electricity production, which is typical for northern U.S. regions.

Seasonal Solar Production

Solar panels in Slinger produce their highest output during summer months, generating approximately 6.35kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season, yielding about 5.21kWh daily per kilowatt. Production drops considerably during autumn to 3.20kWh/day, and reaches its lowest point in winter with just 2.13kWh/day per kilowatt of installed capacity.

This pattern creates a substantial difference between summer and winter production, with summer yielding nearly three times the energy of winter months. The significant seasonal variation means that annual energy planning should account for these fluctuations.

Optimal Installation Angle

For fixed-panel installations in Slinger, the ideal tilt angle to maximize year-round solar production is 37 degrees facing South. This angle optimizes the overall annual energy harvest by balancing seasonal variations and the changing position of the sun throughout the year.

Environmental and Weather Considerations

Several factors in Slinger may impact solar energy production:

  • Snow accumulation during Wisconsin winters can significantly reduce output by covering panels, requiring regular clearing or steep installation angles to promote snow sliding
  • Tree shading may be an issue in this region with substantial vegetation, necessitating careful site assessment before installation
  • Cloudy conditions common in the Great Lakes region, particularly during winter and fall, contribute to the lower seasonal output
  • Occasional hail storms may pose a physical risk to panels

Preventative Measures

To maximize solar production in Slinger, consider implementing these strategies:

  • Install panels with sufficient clearance from the roof to allow for air circulation and easier snow removal
  • Use high-efficiency panels that perform better in low-light conditions common during winter months
  • Consider micro-inverters or power optimizers to minimize the impact of partial shading
  • Select panels with robust hail ratings appropriate for the region
  • Implement a regular maintenance schedule, particularly for snow removal in winter

While Slinger isn't ideal for year-round solar production compared to sunnier regions, the strong summer and spring performance can still make solar installations economically viable, especially if sized appropriately to account for seasonal variations.

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 Slinger

Seasonal solar PV output for Latitude: 43.3312, Longitude: -88.2831 (Slinger, 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 6.35kWh/day in Summer.
Autumn
Average 3.20kWh/day in Autumn.
Winter
Average 2.13kWh/day in Winter.
Spring
Average 5.21kWh/day in Spring.

 

Ideally tilt fixed solar panels 37° South in Slinger, United States

To maximize your solar PV system's energy output in Slinger, United States (Lat/Long 43.3312, -88.2831) 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.

The sun
At Latitude: 43.3312, Longitude: -88.2831, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Slinger, 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 Slinger, 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
27° South in Summer 47° South in Autumn 57° South in Winter 36° 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 Slinger, United States as follows: In Summer, set the angle of your panels to 27° facing South. In Autumn, tilt panels to 47° facing South for maximum generation. During Winter, adjust your solar panels to a 57° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 36° angle facing South to capture the most solar energy in Slinger, 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 Slinger, 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 Slinger, 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 Slinger, United States

The topography around Slinger, Wisconsin presents a varied landscape characterized by gentle rolling hills, shallow valleys, and modest elevation changes typical of the eastern Wisconsin region. Situated in Washington County, Slinger lies within what geologists refer to as the Eastern Ridges and Lowlands geographical province of Wisconsin. This area was heavily influenced by glacial activity during the last ice age, resulting in the distinctive terrain features visible today. The immediate vicinity of Slinger exhibits elevations ranging approximately between 950 and 1,100 feet above sea level. The landscape demonstrates a pattern of drumlin fields—elongated, oval-shaped hills created by glacial deposition—interspersed with kettles, which are depressions formed when buried blocks of glacial ice melted. This creates a moderately undulating terrain rather than dramatic relief changes.

Surrounding Topographic Features

To the east of Slinger, the land gradually descends toward the Lake Michigan basin. The western portions of Washington County and areas extending beyond feature slightly more pronounced hills and ridges, particularly as one approaches the Kettle Moraine State Forest regions. These areas represent terminal moraines—ridges of glacial debris deposited at the edge of glaciers—creating more significant elevation changes than found immediately around Slinger. Several small streams and wetland areas dot the landscape, with the Milwaukee River watershed influencing drainage patterns in the region. These waterways have carved shallow valleys throughout the area, further contributing to the gently rolling character of the terrain.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic development, several nearby areas present favorable conditions based on topographic considerations. The most suitable locations would be found on the broader, flatter hilltops and plateaus that exist throughout Washington County. These elevated, level areas offer advantages for solar installation as they typically experience less shadowing from surrounding terrain features. Particularly promising are the open agricultural lands to the south and southwest of Slinger, where relatively flat farmland provides ample space and minimal topographic obstacles. These areas combine favorable elevation with sufficient level terrain to accommodate large arrays of solar panels without requiring extensive grading or earthwork. The slightly elevated areas between Slinger and West Bend also merit consideration, as they provide good solar exposure with minimal terrain obstruction. While the rolling nature of the landscape might initially seem challenging, modern solar installation techniques can adapt to gentle slopes, sometimes even using the natural south-facing inclines to optimize panel orientation. Areas to potentially avoid would include the more pronounced kettles and depressions, particularly those with north-facing slopes, as these locations would experience reduced solar exposure due to terrain shadowing. Similarly, the more densely forested sections of the Kettle Moraine regions would require clearing and present more complex installation challenges than the open agricultural lands. The glacial history of the region has created a landscape that, while varied, still offers numerous viable options for solar development within reasonable proximity to Slinger. The moderate relief and abundance of gently sloping or flat upland areas provide solid foundations for considering large-scale solar projects in this part of Wisconsin.

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 Slinger, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Thursday 5th of June 2025
Last Updated: Monday 21st of July 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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