Bemidji, Minnesota, located in the Northern Temperate Zone, presents a mixed landscape for solar PV energy generation throughout the year. With coordinates 47.5736, -94.7896, this location experiences significant seasonal variations in solar output.

Seasonal Solar Performance

Summer stands out as the most productive season for solar energy in Bemidji, with an impressive 6.70 kWh per day output for each kilowatt of installed solar capacity. Spring follows as the second-best season, generating 5.35 kWh per day. However, the colder months see a substantial drop in production, with autumn yielding 3.01 kWh per day and winter bottoming out at just 2.02 kWh per day.

Optimal Panel Placement

To maximize year-round solar energy production in Bemidji, fixed solar panels should be installed at a tilt angle of 41 degrees facing south. This angle has been calculated to capture the most sunlight throughout the year, taking into account the Earth's elliptical orbit and the location's specific latitude.

Environmental and Weather Considerations

Several factors can impact solar production in Bemidji: 1. Snow accumulation: Bemidji's winters can bring heavy snowfall, which can cover solar panels and reduce efficiency. Regular snow removal or the installation of panels at a steeper angle can help mitigate this issue. 2. Cloud cover: The region experiences significant cloud cover, particularly in autumn and winter, which can reduce solar output. Using high-efficiency panels can help maximize energy production even in less-than-ideal conditions. 3. Short winter days: Bemidji's northern latitude means significantly shorter days during winter, limiting the amount of sunlight available for energy production. This natural limitation emphasizes the importance of maximizing production during the longer, sunnier days of spring and summer.

Preventative Measures

To enhance solar production in Bemidji, consider implementing these strategies: - Use bifacial solar panels to capture reflected light from snow, potentially increasing winter energy production. - Install a solar tracking system to follow the sun's path, maximizing daily energy capture. - Regularly clean panels to remove dust, pollen, and other debris that can accumulate and reduce efficiency. - Consider a ground-mounted system for easier snow removal and maintenance access. While Bemidji's location presents challenges for year-round solar energy production, proper system design and maintenance can still make solar PV a viable renewable energy option for this Minnesota community.

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 Bemidji

Seasonal solar PV output for Latitude: 47.5736, Longitude: -94.7896 (Bemidji, 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 41° South in Bemidji, United States

To maximize your solar PV system's energy output in Bemidji, United States (Lat/Long 47.5736, -94.7896) throughout the year, you should tilt your panels at an angle of 41° 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 Bemidji, 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 Bemidji, United States. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 41° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
31° South in Summer	51° South in Autumn	61° South in Winter	40° 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 Bemidji, 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 Bemidji, 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 Bemidji, United States

The area surrounding Bemidji, Minnesota, located at approximately 47.5736° N latitude and 94.7896° W longitude, is characterized by a diverse and picturesque topography typical of northern Minnesota. This region is part of the larger Northern Minnesota Drift and Lake Plains ecoregion, which was shaped by glacial activity during the last ice age. The landscape around Bemidji features a mix of gently rolling hills, flat plains, and numerous lakes and wetlands. The city itself is situated on the southwestern shore of Lake Bemidji, a large glacial lake that significantly influences the local topography. To the north and east of the city, the terrain becomes more varied, with low hills and ridges interspersed with smaller lakes and forested areas.

Glacial Features

The topography of the Bemidji area bears the marks of its glacial history. Glacial till deposits have created a series of moraines, which are accumulations of rock and sediment left behind by retreating glaciers. These moraines contribute to the area's undulating landscape and are particularly noticeable to the east and northeast of the city.

Water Features

Water is a dominant feature of the Bemidji area's topography. In addition to Lake Bemidji, there are numerous smaller lakes, ponds, and wetlands scattered throughout the region. The Mississippi River also has its headwaters nearby, beginning its journey at Lake Itasca, located about 50 miles to the southwest of Bemidji.

Forests and Vegetation

The area around Bemidji is heavily forested, with a mix of coniferous and deciduous trees. These forests play a significant role in shaping the visual and physical landscape of the region, covering many of the hills and surrounding the various water bodies.

Potential for Solar PV Development

When considering areas near Bemidji for large-scale solar photovoltaic (PV) development, several factors must be taken into account. The most suitable locations would likely be found in areas with relatively flat terrain, good sun exposure, and minimal forest cover. The agricultural lands to the south and southwest of Bemidji could potentially be well-suited for solar PV installations. These areas tend to have more open, level ground with fewer obstructions to sunlight. Additionally, some of the cleared areas on the outskirts of the city, where urban development transitions into rural landscapes, might offer suitable locations for solar farms. However, it's important to note that while the topography around Bemidji does offer some potential for solar PV development, the region's northern latitude and frequent cloud cover may present challenges in terms of overall solar energy potential. Any large-scale solar project in this area would need to carefully consider these factors, along with local environmental and land-use regulations, to determine the most viable locations for development.

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.