Flag of United States

Flag of United StatesSolar PV Analysis of Sister Bay, United States

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

Solar Energy Potential in Sister Bay, Wisconsin

Sister Bay, Wisconsin, located in the Northern Temperate Zone at latitude 45.1889 and longitude -87.1101, presents varying potential for solar energy generation throughout the year. The location experiences significant seasonal fluctuations in solar output, which directly impacts the effectiveness of solar PV systems. During the summer months, Sister Bay enjoys its peak solar energy production, with an average daily output of 6.52 kWh per kW of installed solar capacity. This makes summer the ideal time for solar energy generation in the area. Spring follows as the second most productive season, yielding 5.09 kWh per day. However, the colder months see a substantial decrease in solar energy potential. Autumn produces an average of 3.02 kWh per day, while winter experiences the lowest output at just 1.79 kWh per day. This significant drop in winter production is a crucial factor to consider when planning year-round solar energy systems in Sister Bay.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Sister Bay, fixed solar panels should be installed at a tilt angle of 38 degrees facing south. This optimal angle takes into account the location's latitude and seasonal variations in sun position, ensuring the best possible energy capture throughout the year.

Environmental and Weather Considerations

Several environmental and weather factors in Sister Bay can impact solar energy production: 1. Snow accumulation: Sister Bay experiences significant snowfall during winter months, which can cover solar panels and reduce their efficiency. Regular panel cleaning and the use of snow-shedding systems can help mitigate this issue. 2. Cloud cover: The region is prone to cloudy days, particularly in autumn and winter, which can decrease solar output. Using high-efficiency panels and incorporating energy storage solutions can help offset the impact of cloudy periods. 3. Temperature fluctuations: Extreme cold temperatures in winter can affect solar panel performance. Selecting panels rated for cold weather operation and ensuring proper insulation of electrical components can help maintain efficiency. 4. Tree shading: Sister Bay's wooded areas may cast shadows on solar installations. Careful site selection and tree trimming, where possible, can minimize shading issues and optimize solar exposure. By addressing these factors during the planning and installation phases, solar energy systems in Sister Bay can be optimized to produce the maximum possible output throughout the year, despite the challenges posed by the local climate and environment.

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 Sister Bay

Seasonal solar PV output for Latitude: 45.1889, Longitude: -87.1101 (Sister Bay, 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 6.52kWh/day in Summer.
Autumn
Average 3.02kWh/day in Autumn.
Winter
Average 1.79kWh/day in Winter.
Spring
Average 5.09kWh/day in Spring.

 

Ideally tilt fixed solar panels 38° South in Sister Bay, United States

To maximize your solar PV system's energy output in Sister Bay, United States (Lat/Long 45.1889, -87.1101) 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: 45.1889, Longitude: -87.1101, the ideal angle to tilt panels is 38° South

Seasonally adjusted solar panel tilt angles for Sister Bay, 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 Sister Bay, 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
29° South in Summer 49° South in Autumn 59° South in Winter 38° 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 Sister Bay, United States as follows: In Summer, set the angle of your panels to 29° facing South. In Autumn, tilt panels to 49° facing South for maximum generation. During Winter, adjust your solar panels to a 59° angle towards the South for optimal energy production. Lastly, in Spring, position your panels at a 38° angle facing South to capture the most solar energy in Sister Bay, 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 Sister Bay, 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 Sister Bay, 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 Sister Bay, United States

Sister Bay, located in Door County, Wisconsin, sits on the western shore of the Green Bay arm of Lake Michigan. The topography around Sister Bay is characterized by gently rolling terrain with some modest hills and bluffs overlooking the water. The area is part of the Niagara Escarpment, a long geological formation that creates scenic limestone cliffs along parts of the shoreline. The landscape surrounding Sister Bay is a mix of forested areas, agricultural fields, and small settlements. The terrain gradually rises as you move inland from the shore, with elevations typically ranging from about 580 to 700 feet above sea level. The highest points in the vicinity are found to the east and northeast of Sister Bay, where the land reaches elevations of around 740 feet.

Solar PV Potential

When considering areas nearby that would be most suited for large-scale solar PV installations, several factors come into play. The ideal locations would be relatively flat, open spaces with good sun exposure and minimal shading from trees or buildings. Agricultural lands to the south and southeast of Sister Bay could potentially offer suitable sites for solar farms. These areas often have large, cleared fields that receive ample sunlight throughout the day. The gently sloping terrain in these directions also provides a favorable angle for solar panels to capture maximum sunlight. Additionally, the slightly higher elevations in these areas might offer an advantage in terms of reduced fog or mist that could sometimes roll in from the lake. It's important to note that while the topography around Sister Bay is generally conducive to solar energy production, other factors such as local zoning regulations, grid connectivity, and environmental considerations would also need to be taken into account when planning any large-scale solar PV projects 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 Sister Bay, United States
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Monday 9th of December 2024
Last Updated: Monday 21st of July 2025

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

"Just like the sun juicing up solar PV panels, coffee is our liquid sunshine that fuels our research and development shenanigans!" 😊
Buy me a coffee - Thanks for your support!

Share this with your friends!



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.

Worldwide Solar PV Analysis of 20,000 Locations

Helping you assess viability of solar PV for your site

profileSOLAR on YouTube

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Enhance your solar panel's performance with our in-depth guide. Determine the best tilt angle using hard data, debunk common misunderstandings, and gain insight into how your specific location affects solar energy production.

Calculate Your Optimal Solar Panel Tilt Angle