Wittenberg, Wisconsin, located in the Northern Temperate Zone at latitude 44.8243 and longitude -89.1662, presents varying conditions for solar energy generation throughout the year. The location experiences significant seasonal fluctuations in solar output, which impacts the overall efficiency of photovoltaic (PV) systems.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Wittenberg, with an impressive daily output of 6.47 kWh per kW of installed solar capacity. Spring follows as the second-best season, generating 5.16 kWh/day. Autumn sees a considerable decrease in production at 3.28 kWh/day, while winter experiences the lowest output at 2.19 kWh/day.

These figures indicate that solar energy production in Wittenberg is most effective from late spring through early fall. During this period, longer daylight hours and higher sun angles contribute to increased solar panel efficiency.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Wittenberg, fixed solar panels should be tilted at an angle of 39 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

Wittenberg's climate presents some challenges for solar energy production. The area experiences cold winters with significant snowfall, which can temporarily reduce solar panel efficiency. To mitigate this issue, panels can be installed at a steeper angle to promote snow sliding off. Additionally, regular maintenance and snow removal may be necessary during winter months.

The region also faces occasional severe weather, including thunderstorms and hail. To protect against potential damage, high-quality, impact-resistant solar panels should be selected. Installing panels with a sturdy mounting system can provide added protection against strong winds.

Tree cover in the area may cast shadows on solar arrays, reducing their efficiency. A thorough site assessment should be conducted to identify and address any shading issues before installation. Trimming or removing obstructing vegetation may be necessary to optimize solar exposure.

Despite these challenges, with proper planning and maintenance, Wittenberg can still be a viable location for solar energy production, particularly during the more favorable months of late spring through early fall.

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 Wittenberg

Seasonal solar PV output for Latitude: 44.8243, Longitude: -89.1662 (Wittenberg, 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 39° South in Wittenberg, United States

To maximize your solar PV system's energy output in Wittenberg, United States (Lat/Long 44.8243, -89.1662) throughout the year, you should tilt your panels at an angle of 39° 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 Wittenberg, 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 Wittenberg, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 39° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
28° South in Summer	49° South in Autumn	58° South in Winter	38° 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 Wittenberg, 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 Wittenberg, 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 Wittenberg, United States

The area surrounding Wittenberg, United States, located at coordinates 44.8243°N, 89.1662°W, is characterized by a gently rolling landscape typical of central Wisconsin. This region, part of the Northern Highland geographic province, features a mix of low hills, shallow valleys, and scattered wetlands. The topography is largely shaped by glacial activity from the last ice age, resulting in a terrain dotted with small lakes, streams, and forested areas. The elevation in and around Wittenberg varies slightly, with most of the land sitting between 1,100 and 1,300 feet above sea level. This modest relief creates a subtle patchwork of slopes and flat areas across the landscape. The soil composition is primarily glacial till, consisting of a mixture of sand, gravel, and clay, which influences the local vegetation and land use patterns.

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 rolling terrain in the vicinity of Wittenberg offers some advantages for solar development. Areas with slight south-facing slopes would be particularly favorable, as they can maximize sun exposure throughout the day. Open agricultural lands, which are common in this part of Wisconsin, present good opportunities for solar PV projects. These areas often have minimal shading from trees or buildings and are already cleared, reducing the need for extensive site preparation. Fields that are less productive for farming or those that landowners are willing to convert could be prime candidates for solar installations. However, developers would need to be mindful of wetland areas, which are scattered throughout the region. These environmentally sensitive zones would likely be unsuitable for large-scale solar projects due to ecological concerns and potential permitting challenges. The presence of existing electrical infrastructure, such as transmission lines and substations, would also influence the suitability of specific sites. Areas closer to this infrastructure could reduce the costs associated with connecting new solar installations to the grid. While the region around Wittenberg may not have the intense solar resources found in more southern latitudes, advancements in solar technology have made PV installations increasingly viable in northern climates. The relatively flat terrain and abundance of open space in the area provide ample opportunities for large-scale solar development, provided that careful site selection and environmental considerations are taken into account.

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.