Hayward, Wisconsin, located in the Northern United States at coordinates 46.0126, -91.479, presents a varied landscape for solar PV energy generation throughout the year. This northern temperate location experiences significant seasonal fluctuations in solar energy production.

Seasonal Solar Production

Solar energy output in Hayward follows a predictable seasonal pattern. Summer stands out as the most productive period, generating 6.51kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 5.05kWh/day. Production decreases substantially in autumn to 2.96kWh/day, while winter sees the lowest output at just 1.77kWh/day per installed kilowatt.

The substantial difference between summer and winter production (a ratio of nearly 4:1) indicates that this location experiences dramatic seasonal variations. The most ideal periods for solar generation are from late spring through early fall, with peak production occurring during the summer months of June, July, and August.

Optimal Panel Installation

For fixed solar panel installations in Hayward, the ideal tilt angle to maximize year-round energy production is 39 degrees facing South. This specific angle optimizes the capture of available sunlight throughout the year, balancing the lower winter sun path with the higher summer sun path.

Environmental and Weather Challenges

Several significant environmental factors can impact solar production in Hayward:

• Heavy snowfall: The region experiences substantial winter snowfall that can cover panels and significantly reduce production during winter months.
• Frequent cloud cover: The Great Lakes influence creates cloudy conditions, particularly in late fall and winter.
• Cold temperatures: While cold can improve panel efficiency, extreme cold can stress system components.
• Tree coverage: The heavily forested region may create shading issues for some installations.

Preventative Measures

To maximize solar production in this challenging environment, several preventative measures are recommended:

• Install panels at steeper angles (potentially beyond the ideal 39 degrees) to promote snow shedding in winter
• Implement regular snow removal protocols during winter months
• Use high-efficiency panels rated for cold weather performance
• Consider ground-mounted systems in open areas to avoid tree shading
• Incorporate micro-inverters or power optimizers to minimize production losses from partial shading

While Hayward isn't ideal for year-round solar production due to its northern location and harsh winters, proper system design and maintenance can still make solar PV a viable renewable energy option, particularly when sized to capitalize on the highly productive summer months.

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 Hayward, Wisconsin

Seasonal solar PV output for Latitude: 46.0126, Longitude: -91.479 (Hayward, Wisconsin, 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 Hayward, Wisconsin, United States

To maximize your solar PV system's energy output in Hayward, Wisconsin, United States (Lat/Long 46.0126, -91.479) 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 Hayward, Wisconsin, 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 Hayward, Wisconsin, 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
30° South in Summer	49° South in Autumn	60° South in Winter	39° 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 Hayward, Wisconsin, 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 Hayward, Wisconsin, 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 Hayward, Wisconsin, United States

The topography around Hayward, Wisconsin presents a varied landscape characteristic of the northern Midwest region. Located in Sawyer County, Hayward sits within a transitional zone between the Northern Highland and the Lake Superior Lowland physiographic provinces. This area was heavily shaped by glacial activity during the last ice age, resulting in a gently rolling terrain punctuated by numerous lakes, streams, and wetlands. The elevation around Hayward averages approximately 1,200 feet above sea level, with modest variations throughout the surrounding area. The landscape features a mix of low hills, shallow valleys, and flat plains. The Namekagon River, a tributary of the St. Croix River, flows through the region, creating river valleys that add topographic diversity to the otherwise moderately undulating terrain.

Forest Coverage and Land Features

The Hayward area is characterized by extensive forest coverage, predominantly mixed northern hardwoods and coniferous forests. The Chequamegon-Nicolet National Forest extends into portions of the surrounding region, contributing to the woodland character of the landscape. These forested areas alternate with cleared agricultural lands, creating a patchwork pattern when viewed from above. Water features are abundant in the topography, with numerous natural lakes including the Hayward Lake chain, as well as smaller ponds and wetlands scattered throughout the region. These water bodies occupy glacial depressions formed thousands of years ago and contribute to the region's reputation as a recreational destination.

Potential Areas for Solar PV Development

For large-scale solar photovoltaic (PV) development, several areas in the vicinity of Hayward exhibit favorable topographic characteristics. The most suitable locations would be found in the cleared agricultural lands and open spaces to the south and southwest of Hayward. These areas feature relatively flat terrain with minimal shading from trees or hills, providing optimal conditions for solar array placement. The gently sloping fields that transition away from the more heavily forested northern sections offer particularly promising sites. These locations typically have south-facing aspects that maximize solar exposure throughout the day. Areas around Highway 27 and Highway 77 corridors, where human development has already created cleared spaces, present practical opportunities for solar development without requiring extensive forest clearing. Former agricultural lands that are currently underutilized would be prime candidates for solar PV installation. These sites often have established access roads, are generally well-drained, and have minimal environmental sensitivities compared to undisturbed natural areas.

Topographic Limitations

Despite the presence of suitable areas, the topography does present certain challenges for large-scale solar development. The numerous wetlands and small water bodies scattered throughout the region create fragmented land parcels that might limit the contiguous area available for larger installations. Additionally, the extensive forest coverage would necessitate clearing in many locations, which carries both economic and environmental costs. The northern Wisconsin climate also introduces considerations related to snow accumulation on panels during winter months, though this is more a climatic than topographic concern. The modest hills in the area generally don't pose significant shading problems if sites are properly selected, but detailed site-specific assessments would be necessary for any major development. In conclusion, while the Hayward area features a mixed topography with forests, wetlands, and rolling terrain, there are sufficient cleared areas, particularly in agricultural zones to the south and southwest, that could accommodate large-scale solar PV development with minimal topographic limitations.

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.