Hokksund, Buskerud, Norway, located at latitude 59.7678° North and longitude 9.8724° East in the Northern Temperate Zone, presents distinct seasonal variations for solar PV energy generation throughout the year. The location experiences significant differences in electricity production across the four meteorological seasons.

Seasonal Solar Production

Solar energy generation in Hokksund follows a predictable seasonal pattern. During summer, panels produce an impressive 5.67 kWh per day for each kilowatt installed, making this the prime season for solar energy. Spring follows as the second most productive season with 4.22 kWh/day per installed kilowatt.

Production drops considerably during autumn to 1.53 kWh/day, while winter sees minimal generation at only 0.63 kWh/day per kilowatt installed. This creates a roughly 9:1 ratio between summer and winter production, highlighting the extreme seasonal variability at this northern location.

Optimal Panel Installation

For fixed solar panel installations in Hokksund, Buskerud, the ideal tilt angle to maximize year-round energy production is 50 degrees facing South. This specific angle optimizes the annual energy yield by balancing the seasonal variations in sun position throughout the year.

Environmental and Weather Considerations

Several environmental factors may impact solar production in Hokksund:

• Snow accumulation during winter months can significantly reduce already minimal winter production if panels become covered
• Frequent cloud cover in the region, particularly during autumn and winter
• Potential shading from surrounding trees and buildings in this forested region
• Dust and pollen accumulation during spring and summer

Preventative Measures

To maximize solar energy production in Hokksund despite these challenges, consider implementing these solutions:

• Install panels at steeper angles (the recommended 50 degrees helps with snow shedding)
• Implement automated snow removal systems or manual clearing procedures
• Conduct thorough shade analysis before installation to prevent tree and building shadows
• Schedule regular cleaning, especially after pollen season in spring
• Consider premium bifacial panels that can capture reflected light from snow cover

While Hokksund presents challenges for year-round solar production due to its northern latitude, proper system design focusing on maximizing summer and spring production can still result in a worthwhile renewable energy installation.

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 114 locations across Norway. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Norway by location

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

Seasonal solar PV output for Latitude: 59.7678, Longitude: 9.8724 (Hokksund, Norway), 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 50° South in Hokksund, Norway

To maximize your solar PV system's energy output in Hokksund, Norway (Lat/Long 59.7678, 9.8724) throughout the year, you should tilt your panels at an angle of 50° 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 Hokksund, Norway

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 Hokksund, Norway. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 50° South tilt angle throughout the year.

Overall Best Summer Angle	Overall Best Autumn Angle	Overall Best Winter Angle	Overall Best Spring Angle
43° South in Summer	62° South in Autumn	72° South in Winter	52° 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 Hokksund, Norway

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 Hokksund, Norway.

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 Hokksund, Norway

Hokksund is a town in Øvre Eiker municipality, located in southeastern Norway's Viken county. The topography around Hokksund is characterized by a river valley setting, with the town situated where the Drammenselva river flows through a relatively flat valley floor. The surrounding landscape features gentle hills that gradually rise into more pronounced elevations, creating a varied topographical profile typical of this region of Norway. The Drammenselva river is a dominant feature in Hokksund's landscape, flowing southward through the town on its journey from Lake Tyrifjorden to the Drammensfjord. This waterway has historically shaped both the natural environment and human settlement patterns in the area. The valley floor around Hokksund is relatively wide and flat, providing some of the region's most accessible terrain.

Surrounding Elevations

Moving outward from the river valley, the terrain begins to rise into rolling hills. To the east and west of Hokksund, these hills become more pronounced, eventually transitioning into forested areas with moderate elevation changes. The landscape is not mountainous by Norwegian standards, but rather consists of undulating terrain with scattered higher points. The western side of Hokksund gradually rises toward the Finnemarka forest area, while the eastern side slopes upward toward the hills separating the Drammen valley from neighboring valleys. This varied topography creates numerous south-facing slopes throughout the region, which is relevant when considering solar energy potential.

Solar PV Suitability

For large-scale solar PV installations, several areas near Hokksund show promising characteristics. The most suitable locations would be found on south-facing slopes in the surrounding hills, particularly those that receive minimal shadowing from adjacent terrain features. These inclined surfaces can optimize solar exposure throughout the day and across seasons. The relatively open agricultural areas to the south of Hokksund, extending toward Mjøndalen, offer flat terrain that could accommodate large solar arrays with minimal site preparation. These locations benefit from fewer obstructions and good exposure to the southern sky. Some of the gently sloping hillsides to the east of Hokksund also present favorable conditions for solar installations. These areas combine reasonable accessibility with advantageous orientation toward the sun's path. The more elevated positions also tend to experience less fog than the river valley floor, which can occasionally experience morning mist that would temporarily reduce solar efficiency. Areas to avoid would include the steeper, north-facing slopes, heavily forested sections that would require significant clearing, and the immediate flood plain of the Drammenselva river, which could present flooding risks to infrastructure. The region's mixed agricultural and forested landscape provides multiple options for solar development, with the optimal sites being those that balance good solar exposure with reasonable access to existing electrical infrastructure, which is well-developed around Hokksund due to its established industrial heritage.

Norway solar PV Stats as a country

Norway ranks 70th in the world for cumulative solar PV capacity, with 225 total MW's of solar PV installed. This means that 0.10% of Norway's total energy as a country comes from solar PV (that's 42nd in the world). Each year Norway is generating 42 Watts from solar PV per capita (Norway ranks 55th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Norway?

Yes, there are several incentives for businesses wanting to install solar energy in Norway. The Norwegian 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 Norwegian Energy Agency provides funding for research and development projects related to renewable energy technologies. Finally, the Norwegian Power Company (Statkraft) offers discounted electricity rates for businesses that use solar power.

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