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Flag of United StatesSolar PV Analysis of Fort Atkinson, United States

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

Fort Atkinson, Wisconsin, located in the Northern Temperate Zone, presents a mixed picture for solar energy generation throughout the year. The location's potential for solar PV production varies significantly across seasons, reflecting the region's climate patterns.

Seasonal Solar Performance

Summer stands out as the most productive season, with an impressive 6.27 kWh per day output for each kilowatt of installed solar capacity. Spring follows closely, generating 5.28 kWh/day. These seasons offer ideal conditions for solar energy production, with longer days and more direct sunlight.

However, the colder months see a notable decrease in solar output. Autumn yields 3.28 kWh/day, while winter performance drops to 2.23 kWh/day per kW installed. This significant seasonal variation highlights the challenges of relying solely on solar power year-round in Fort Atkinson.

Optimizing Solar Panel Installation

To maximize year-round solar production, fixed panels should be tilted at a 37-degree angle facing south. This optimal angle takes into account the location's latitude and seasonal sun paths, ensuring the best possible energy capture across all seasons.

Environmental and Weather Considerations

Fort Atkinson faces some environmental and weather-related challenges that can impact solar production:

  • Snowfall: Wisconsin's winters can bring heavy snow, potentially covering panels and reducing efficiency.
  • Cloud cover: The region experiences significant cloud cover, especially during fall and winter months.

To mitigate these factors, consider installing panels at a steeper angle to encourage snow sliding off. Additionally, using high-efficiency panels and incorporating snow-removal systems can help maintain production during winter months. Regular maintenance and cleaning are also crucial to ensure optimal performance year-round.

While Fort Atkinson's location presents some challenges for solar energy production, particularly during colder months, proper installation techniques and maintenance can help maximize the potential of solar PV systems in this area.

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 Fort Atkinson

Seasonal solar PV output for Latitude: 42.9255, Longitude: -88.8474 (Fort Atkinson, 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 6.27kWh/day in Summer.
Autumn
Average 3.28kWh/day in Autumn.
Winter
Average 2.23kWh/day in Winter.
Spring
Average 5.28kWh/day in Spring.

 

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

To maximize your solar PV system's energy output in Fort Atkinson, United States (Lat/Long 42.9255, -88.8474) 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: 42.9255, Longitude: -88.8474, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for Fort Atkinson, 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 Fort Atkinson, 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 Fort Atkinson, 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 Fort Atkinson, 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 Fort Atkinson, 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 Fort Atkinson, 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 Fort Atkinson, United States

Fort Atkinson, located in southeastern Wisconsin, is situated in a region characterized by gently rolling hills and flat plains. The area surrounding the city is part of the glaciated landscape of the Midwest, shaped by the retreat of massive ice sheets during the last Ice Age. This glacial activity left behind a diverse topography that includes subtle elevation changes, scattered wetlands, and numerous small lakes and ponds. The immediate vicinity of Fort Atkinson features a mix of agricultural land and wooded areas. To the east and south, the terrain is predominantly flat to gently undulating, with open fields and farmland dominating the landscape. This area is part of the larger Rock Prairie region, known for its fertile soils and expansive agricultural use. To the west and northwest of Fort Atkinson, the topography becomes slightly more varied. The land gradually rises towards the Kettle Moraine region, where more pronounced hills and ridges can be found. These features were formed by glacial deposits and offer a more diverse landscape compared to the flatter areas to the east.

Potential for Large-Scale Solar PV

When considering areas near Fort Atkinson for large-scale solar photovoltaic (PV) installations, several factors come into play. The most suitable locations would be those that combine favorable topography with minimal environmental and land-use conflicts. The flat to gently sloping agricultural lands to the east and south of Fort Atkinson present the most promising opportunities for solar PV development. These areas offer several advantages: 1. The relatively level terrain reduces the need for extensive grading and site preparation, lowering construction costs. 2. The open nature of the landscape means fewer obstructions that could cast shadows on solar panels, maximizing energy production. 3. Many of these areas are already used for agriculture, potentially allowing for dual-use scenarios where solar installations coexist with certain types of farming. However, it's important to note that the use of prime agricultural land for solar installations can be controversial. Therefore, focusing on marginal agricultural lands or areas with lower crop yields might be more feasible from a social and economic perspective. The more varied terrain to the west and northwest, while potentially offering some suitable sites, may present more challenges for large-scale solar development. The increased topographical variation could lead to higher installation costs and potentially lower overall efficiency due to shading from nearby hills or ridges. In all cases, proximity to existing electrical infrastructure, such as transmission lines and substations, would be a crucial factor in determining the most suitable locations for large-scale solar PV projects near Fort Atkinson. Additionally, environmental considerations, such as avoiding wetlands and sensitive habitats, would need to be taken into account when selecting optimal sites for solar development in the region.

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 Fort Atkinson, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 24th of February 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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