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Flag of United StatesSolar PV Analysis of Waukesha, United States

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

Waukesha, Wisconsin, located in the Northern Temperate Zone, presents a mixed picture for solar energy generation. With coordinates of 43.0006° N latitude and 88.22° W longitude, this location experiences significant seasonal variations in solar energy production.

Seasonal Solar Performance

Solar panel efficiency in Waukesha varies dramatically throughout the year. Summer stands out as the most productive season, with an impressive 6.38 kWh per day for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 5.25 kWh/day/kW. However, production drops considerably in autumn (3.27 kWh/day/kW) and reaches its lowest point in winter (2.19 kWh/day/kW).

Optimal Panel Positioning

To maximize year-round solar energy production in Waukesha, fixed solar panels should be tilted at a 37-degree angle facing south. This angle is calculated to optimize energy capture across all seasons, taking into account the Earth's elliptical orbit and the location's specific latitude.

Environmental and Weather Considerations

Several factors can impact solar energy production in Waukesha:

  1. Snow accumulation in winter can significantly reduce panel efficiency.
  2. Cloudy weather, especially prevalent in autumn and winter, can decrease solar output.
  3. Potential shading from nearby trees or buildings may affect panel performance.

Mitigation Strategies

To address these challenges and enhance solar energy production, consider the following measures:

  • Install panels at a steeper angle to promote snow sliding off.
  • Use high-efficiency panels designed for low-light conditions.
  • Implement a regular cleaning schedule, especially after snowfall.
  • Conduct a thorough site assessment to minimize shading issues.
  • Consider incorporating a solar tracking system for increased energy capture.

While Waukesha's location presents some challenges for year-round solar energy production, proper planning and installation techniques can help maximize the potential of solar PV systems in this area. The substantial output during spring and summer months can offset the reduced production in autumn and winter, making solar energy a viable option for this Wisconsin city.

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 Waukesha

Seasonal solar PV output for Latitude: 43.0006, Longitude: -88.22 (Waukesha, 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 6.38kWh/day in Summer.
Autumn
Average 3.27kWh/day in Autumn.
Winter
Average 2.19kWh/day in Winter.
Spring
Average 5.25kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Waukesha, United States (Lat/Long 43.0006, -88.22) 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: 43.0006, Longitude: -88.22, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Waukesha, 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 Waukesha, 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 56° 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 Waukesha, 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 56° 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 Waukesha, 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 Waukesha, 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 Waukesha, 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 Waukesha, United States

The topography around Waukesha, Wisconsin, is characterized by gently rolling hills and plains, typical of the Midwestern United States. This area is part of the Eastern Ridges and Lowlands region of Wisconsin, which was shaped by glacial activity thousands of years ago. The landscape features a mix of low-lying areas, subtle ridges, and shallow valleys.

Waukesha itself sits at an elevation of around 830 feet (253 meters) above sea level. The surrounding terrain gradually rises and falls, with elevation changes generally ranging from 50 to 150 feet. This creates a moderately varied landscape, but without any dramatic peaks or valleys. The area also includes numerous small lakes, ponds, and streams, remnants of the region's glacial history.

For large-scale solar PV installations, the most suitable areas nearby would likely be found in the rural regions surrounding Waukesha. These areas offer several advantages:

  1. Open farmland: The agricultural areas to the west and southwest of Waukesha provide expansive, relatively flat terrain that could accommodate large solar arrays.
  2. Gentle south-facing slopes: Some of the rolling hills in the region have gradual southern exposures, which are ideal for maximizing solar energy capture throughout the day.
  3. Less urbanized areas: Moving away from the city center, there is more available land with fewer obstructions from buildings or trees that could cast shadows on solar panels.

Specific locations that might be well-suited for solar PV installations include:

  • The rural areas between Waukesha and Oconomowoc to the west
  • The farmlands south of Waukesha, extending towards Mukwonago
  • The open spaces northeast of Waukesha, towards Menomonee Falls

It's important to note that while the topography in these areas is generally favorable for solar PV, other factors such as local zoning laws, grid connectivity, and environmental considerations would also need to be taken into account when planning any large-scale solar installation.

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 Waukesha, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 16th of September 2024
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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