Solar Energy Potential in Viborg, Central Jutland, Denmark

Viborg, Central Jutland, Denmark, located at 56.4394° North, 9.4096° East in the Northern Temperate Zone, offers varying potential for solar energy generation throughout the year. The location experiences significant seasonal fluctuations in solar electricity production that are important to understand for anyone considering solar PV installation. The seasonal output from solar panels in Viborg tells a clear story. Summer stands out as the most productive period, generating approximately 5.55 kWh per day for each kilowatt of installed capacity. Spring follows as the second most productive season with 4.20 kWh per day. Autumn yields considerably less at 1.73 kWh per day, while winter production drops dramatically to just 0.75 kWh per day per installed kilowatt. This seasonal pattern means that approximately 70% of the annual solar energy production in Viborg occurs during spring and summer months. The substantial difference between summer and winter production (more than seven times greater in summer) highlights the seasonal nature of solar generation at this northern European location.

Optimal Installation Considerations

For fixed solar panel installations in Viborg, Central Jutland, the ideal tilt angle to maximize year-round energy production is 47 degrees facing South. This specific angle has been calculated to optimize the annual solar harvest, accounting for the Earth's elliptical orbit and Viborg's northerly latitude.

Environmental and Weather Factors

Several environmental factors can impact solar production in Viborg:

• Frequent cloud cover, particularly during autumn and winter months, significantly reduces solar radiation reaching panels
• Snow accumulation in winter can temporarily cover panels, blocking light absorption
• Morning fog, common in this region, can delay peak production during certain seasons
• Shorter daylight hours during winter months compound the already low solar intensity

To mitigate these challenges, several preventative measures can be implemented:

• Installing panels with anti-soiling coatings to reduce snow adherence and improve self-cleaning
• Implementing automated snow removal systems for larger installations
• Using micro-inverters or power optimizers to minimize the impact of partial shading
• Regular maintenance schedule with additional cleaning during winter months
• Considering a slight adjustment to the standard tilt angle to improve snow shedding capabilities

While Viborg isn't an ideal location for year-round solar production compared to more southerly regions, proper system design with these considerations can still make solar PV a viable part of the energy mix, particularly when taking advantage of 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 130 locations across Denmark. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Denmark by location

Solar output per kW of installed solar PV by season in Viborg

Seasonal solar PV output for Latitude: 56.4394, Longitude: 9.4096 (Viborg, Denmark), 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 47° South in Viborg, Denmark

To maximize your solar PV system's energy output in Viborg, Denmark (Lat/Long 56.4394, 9.4096) throughout the year, you should tilt your panels at an angle of 47° 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 Viborg, Denmark

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 Viborg, Denmark. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 47° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
40° South in Summer	58° South in Autumn	69° South in Winter	49° 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 Viborg, Denmark

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 Viborg, Denmark.

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 Viborg, Denmark

Topography of Viborg, Denmark

Viborg is located in central Jutland, Denmark's mainland peninsula. The surrounding landscape is characterized by gentle, rolling hills and shallow valleys - a result of the last ice age when glaciers shaped much of Denmark's current topography. The area sits at a modest elevation, typically between 25 and 60 meters above sea level, with some local variations. The Viborg region features numerous small lakes, including the nearby Viborg Lakes (Nørresø and Søndersø) which flank the city itself. These water bodies are nestled in shallow depressions within the generally undulating terrain. The landscape transitions between open agricultural fields, scattered woodlands, and occasional heath areas, creating a diverse patchwork typical of central Jutland. Unlike eastern Denmark with its many islands and coastal indentations, the Viborg area is relatively inland, though still influenced by Denmark's maritime climate. The terrain is predominantly composed of moraine deposits, creating the characteristic gently rolling landscape that defines much of this region.

Optimal Areas for Solar PV Development

The gently rolling topography around Viborg presents several advantages for large-scale solar photovoltaic (PV) installations. The most suitable areas for solar development would be the open agricultural lands that feature southern-facing slopes. These natural inclines can optimize solar exposure without requiring extensive land modification. The rural areas south and southwest of Viborg offer particularly promising conditions for solar PV development. These regions combine relatively flat or gently sloping terrain with minimal shadowing from natural features. The agricultural plains extending toward towns like Bjerringbro and Karup provide expansive areas where large-scale solar installations could be developed with minimal topographical challenges. Areas to avoid would include the more densely forested regions, wetlands surrounding lakes, and locations with northern-facing slopes. The forested areas northwest of Viborg, while beautiful, would require clearing and present less optimal conditions for solar energy capture. The relatively low population density in the rural surroundings of Viborg means that large tracts of suitable land might be available without immediate proximity to residential areas. The existing agricultural use of much of this land suggests that the soil and drainage characteristics are already well-understood, which can simplify the planning process for ground-mounted solar arrays. It's worth noting that the modest elevation differences in the region generally don't present significant obstacles for solar development, as they might in more mountainous regions where deep valleys can create prolonged shadowing effects.

Denmark solar PV Stats as a country

Denmark ranks 37th in the world for cumulative solar PV capacity, with 1,540 total MW's of solar PV installed. This means that 4.10% of Denmark's total energy as a country comes from solar PV (that's 19th in the world). Each year Denmark is generating 264 Watts from solar PV per capita (Denmark ranks 18th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Denmark?

Yes, there are several incentives for businesses wanting to install solar energy in Denmark. The Danish government offers a range of financial support and tax breaks for businesses that invest in renewable energy sources such as solar power. This includes grants, loans, and tax deductions. Additionally, the Danish Energy Agency provides subsidies for businesses that install solar panels on their premises. Finally, some local authorities offer additional incentives such as reduced electricity bills or free installation of solar panels.

Do you have more up to date information than this on incentives towards solar PV projects in Denmark? 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.