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Flag of United StatesSolar PV Analysis of East Troy, United States

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

Solar Energy Potential in East Troy, Wisconsin

East Troy, Wisconsin, located at 42.7853° N, 88.4051° W in the Northern Temperate Zone, offers varying potential for solar energy generation throughout the year. The location experiences significant seasonal fluctuations in solar output, which is typical for regions at this latitude. Summer presents the most favorable conditions for solar energy production, with an average daily output of 6.27 kWh per kW of installed solar capacity. This high yield is due to longer daylight hours and the sun's higher position in the sky. Spring follows as the second-best season, generating 5.28 kWh/day per kW installed. Autumn sees a considerable decrease in solar output, dropping to 3.28 kWh/day per kW. Winter exhibits the lowest production, with only 2.23 kWh/day per kW, owing to shorter days and the sun's lower angle in the sky.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in East Troy, fixed solar panels should be installed at a tilt angle of 37 degrees facing south. This angle optimizes the panels' exposure to sunlight throughout the year, balancing the seasonal variations in the sun's position.

Factors Affecting Solar Production

Several environmental and weather-related factors can impact solar energy production in East Troy: 1. Snow accumulation: Wisconsin's snowy winters can temporarily reduce solar panel efficiency. Regular panel cleaning or installing panels at a steeper angle can help mitigate this issue. 2. Cloud cover: The region experiences significant cloud cover, particularly in late autumn and winter. Using high-efficiency panels can help maximize energy production even in less-than-ideal conditions. 3. Temperature extremes: While cold temperatures can actually improve solar panel efficiency, very hot summer days might slightly reduce performance. Proper ventilation behind the panels can help manage heat-related efficiency loss. 4. Shading from trees: East Troy has a considerable tree population. Careful site selection and regular tree trimming can prevent shading issues that could significantly reduce solar output. By addressing these factors during the planning and installation phases, solar energy systems in East Troy can be optimized to produce the maximum possible energy throughout the year, despite the seasonal variations and environmental challenges.

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 East Troy

Seasonal solar PV output for Latitude: 42.7853, Longitude: -88.4051 (East Troy, 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 East Troy, United States

To maximize your solar PV system's energy output in East Troy, United States (Lat/Long 42.7853, -88.4051) 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: 42.7853, Longitude: -88.4051, the ideal angle to tilt panels is 37° South

Seasonally adjusted solar panel tilt angles for East Troy, 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 East Troy, 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 East Troy, 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 East Troy, 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 East Troy, 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 East Troy, 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 East Troy, United States

The topography around East Troy, Wisconsin, in the United States, is characterized by gently rolling hills and shallow valleys typical of the Midwest region. This area, located at approximately 42.7853 degrees north latitude and 88.4051 degrees west longitude, is part of the broader glaciated landscape of southeastern Wisconsin. The terrain is a result of ancient glacial activity, which left behind a mix of fertile soils, scattered wetlands, and numerous small lakes. East Troy sits at an elevation of around 860 feet (262 meters) above sea level. The surrounding countryside features a patchwork of agricultural fields, woodlands, and open grasslands. The land gradually rises to the west towards the Kettle Moraine region, where the terrain becomes more varied with steeper hills and deeper valleys. To the east, the landscape becomes flatter as it approaches Lake Michigan, about 30 miles away.

Potential for Large-Scale Solar PV

When considering areas nearby that would be most suited to large-scale solar photovoltaic (PV) installations, several factors come into play. The gently sloping terrain in much of the region surrounding East Troy could be advantageous for solar farms. Areas to the south and east of East Troy, where the land tends to be flatter and more open, might be particularly well-suited for such projects. Agricultural lands that are less productive or fallow could be prime candidates for solar development. These areas often have the advantage of being relatively flat, free from obstructions that could cast shadows, and already connected to road networks for easy access. It's important to note that while the topography is generally favorable, other factors such as local zoning laws, proximity to electrical infrastructure, and environmental considerations would also play crucial roles in determining the most suitable locations for large-scale solar PV installations. Additionally, areas away from residential zones and sensitive ecosystems would likely be preferred to minimize potential conflicts and environmental impacts. Overall, the diverse landscape around East Troy offers numerous possibilities for solar energy development, with the most promising sites likely being found on open, gently sloping terrain with good southern exposure and existing infrastructure access.

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 East Troy, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Friday 21st 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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