Wauwatosa, Wisconsin, located in the Northern Temperate Zone, offers a moderately favorable environment for solar energy generation throughout the year. The city's geographical position at latitude 43.0804 and longitude -88.0224 provides varying levels of solar potential across different seasons.

Seasonal Solar Performance

Solar energy production in Wauwatosa fluctuates significantly between seasons. Summer proves to be the most productive period, with an average daily output of 6.38 kWh per kW of installed solar capacity. Spring follows as the second-most productive season, generating 5.25 kWh/day. Autumn sees a considerable decrease in production, dropping to 3.27 kWh/day. Winter experiences the lowest output, with only 2.19 kWh/day.

Optimal Installation Angle

To maximize year-round solar energy production in Wauwatosa, 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, considering the city's latitude and seasonal sun positions.

Environmental and Weather Factors

Several environmental and weather factors can impact solar energy production in Wauwatosa:

• Snowfall: Wisconsin experiences significant snowfall during winter months, which can cover solar panels and reduce efficiency.
• Cloud cover: The region is known for frequent cloud cover, particularly during fall and winter, which can diminish solar output.

To mitigate these challenges, consider implementing the following preventative measures:

• Install panels at a steeper angle to promote snow sliding off more easily.
• Use high-efficiency panels that perform better in low-light conditions.
• Implement a regular cleaning and maintenance schedule to remove snow and debris.

Conclusion

While Wauwatosa's location presents some challenges for year-round solar energy production, particularly during winter months, the city still offers substantial potential for solar power generation. With proper installation techniques and maintenance practices, residents can effectively harness solar energy to offset their electricity consumption and contribute to a more sustainable energy future.

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 Wauwatosa

Seasonal solar PV output for Latitude: 43.0804, Longitude: -88.0224 (Wauwatosa, 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:

 

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

To maximize your solar PV system's energy output in Wauwatosa, United States (Lat/Long 43.0804, -88.0224) 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.

Seasonally adjusted solar panel tilt angles for Wauwatosa, 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 Wauwatosa, 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

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 Wauwatosa, 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 Wauwatosa, 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.

Topography for solar PV around Wauwatosa, United States

Wauwatosa, located in southeastern Wisconsin, is situated in an area with relatively gentle topography. The landscape around this suburban city is characterized by gently rolling hills and shallow valleys, typical of the glaciated terrain found in much of the Midwest. The elevation in and around Wauwatosa ranges from about 600 to 800 feet above sea level, with subtle changes in elevation throughout the area. The city is nestled within the Eastern Ridges and Lowlands region of Wisconsin, which was shaped by glacial activity during the last ice age. This glacial history has left behind a mix of features, including drumlins (elongated hills), moraines (ridges of glacial debris), and kettle lakes (depressions formed by melting ice blocks). The Menomonee River valley cuts through the area, providing a natural corridor and some of the lower elevations in the vicinity.

Solar PV Potential in the Region

When considering areas nearby that would be most suited to large-scale solar PV installations, several factors come into play. The relatively flat to gently rolling terrain in the region surrounding Wauwatosa is generally favorable for solar development, as it minimizes the need for extensive land grading. Areas to the west and southwest of Wauwatosa, extending into Waukesha County, might offer better opportunities for large-scale solar PV installations. These areas tend to have more open, rural landscapes with fewer obstructions from urban development. The slightly higher elevations in these directions could also provide advantages in terms of solar exposure. However, it's important to note that the region's climate, characterized by frequent cloud cover and significant snowfall in winter, may pose challenges for solar energy production. Despite this, advancements in solar technology have made it increasingly viable in less sunny climates. Ideal locations for solar farms would be on expansive, south-facing slopes with minimal shading from trees or structures. Former agricultural lands or brownfield sites in the surrounding counties could be prime candidates for solar development, offering large, contiguous areas without conflicting with dense urban uses. While the immediate vicinity of Wauwatosa is largely urbanized, moving outward into the surrounding counties reveals more potential for utility-scale solar projects. These areas would need to balance solar development with existing land uses, environmental considerations, and grid connection capabilities to be truly suitable for large-scale solar PV implementation.

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!

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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.

Helping you assess viability of solar PV for your site

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.