Solar Energy Potential in Sala, Västmanland County, Sweden

The location of Sala, Västmanland County, Sweden, situated at latitude 59.9222 and longitude 16.6006, presents both opportunities and challenges for solar energy production. This northern temperate zone location experiences significant seasonal variations in solar output throughout the year. Summer months offer the most promising conditions for solar energy generation in Sala. With an average daily output of 5.76 kWh per kW of installed solar capacity, this season provides ample sunlight for efficient energy production. The long daylight hours characteristic of Scandinavian summers contribute to this peak performance. Spring follows as the second most productive season, yielding an average of 4.03 kWh per day for each kW of installed capacity. As days lengthen and temperatures rise, solar panels can capture increasing amounts of sunlight, making this a favorable time for energy generation.

Challenges in Autumn and Winter

Autumn sees a significant drop in solar output, with daily production averaging 1.53 kWh per kW installed. This decline is due to shorter days and increased cloud cover typical of the season in this region. Winter presents the greatest challenge for solar energy production in Sala. With a mere 0.55 kWh per day per kW installed, the combination of extremely short days, low sun angle, and potential snow cover severely limits solar panel efficiency during these months.

Optimizing Solar Panel Installation

To maximize year-round solar energy production in Sala, Västmanland County, it's recommended to install fixed panels at a tilt angle of 50 degrees facing south. This angle optimizes the capture of available sunlight throughout the year, balancing the needs of different seasons.

Environmental Factors and Mitigation Strategies

Several environmental factors can impact solar production in Sala: 1. Snow accumulation in winter can significantly reduce panel efficiency. Regular snow removal or the installation of panels at a steeper angle can help mitigate this issue. 2. The region's high latitude results in very low sun angles during winter, leading to extended periods of shade. Careful placement of panels to avoid obstructions and using bifacial panels can help maximize limited winter sunlight. 3. Potential for overcast conditions, especially in autumn and winter, can reduce solar output. Employing high-efficiency panels and considering a slightly oversized system can help compensate for these periods of reduced sunlight. By addressing these challenges through thoughtful system design and regular maintenance, solar energy can still be a viable option for supplementing electricity needs in Sala, Västmanland County, particularly during the more productive spring and 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 174 locations across Sweden. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.

Link: Solar PV potential in Sweden by location

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

Seasonal solar PV output for Latitude: 59.9222, Longitude: 16.6006 (Sala, Sweden), 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 Sala, Sweden

To maximize your solar PV system's energy output in Sala, Sweden (Lat/Long 59.9222, 16.6006) 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 Sala, Sweden

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 Sala, Sweden. 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 Sala, Sweden

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 Sala, Sweden.

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 Sala, Sweden

The landscape around Sala, Sweden, located at approximately 59.9222°N latitude and 16.6006°E longitude, is characterized by a mix of gently rolling terrain and relatively flat areas. This region, situated in the county of Västmanland, is part of the larger Mälardalen area, which is known for its diverse topography. The immediate vicinity of Sala features a combination of open fields, scattered woodlands, and numerous small lakes and ponds. The terrain is generally low-lying, with elevations typically ranging from 50 to 100 meters above sea level. This area was shaped by glacial activity during the last ice age, resulting in a landscape dotted with glacial deposits and features such as eskers and drumlins. To the north and west of Sala, the terrain becomes slightly more undulating, with modest hills and valleys creating a picturesque rural setting. These areas are often interspersed with agricultural lands and patches of coniferous and mixed forests. The southern and eastern parts of the region tend to be flatter, with more expansive open areas that transition into the Mälaren lake basin.

Potential for Large-Scale Solar PV

When considering areas near Sala that would be most suited for large-scale solar photovoltaic (PV) installations, several factors come into play. The ideal locations would combine favorable topography with minimal environmental and social impacts. The relatively flat, open areas to the south and east of Sala present the most promising opportunities for solar PV development. These locations offer several advantages: 1. They have fewer obstructions that could cast shadows on solar panels, maximizing exposure to sunlight throughout the day. 2. The flat terrain simplifies construction and reduces costs associated with land preparation. 3. Many of these areas are already used for agriculture, potentially allowing for dual-use scenarios where solar installations coexist with certain types of farming. Additionally, some of the gently sloping hillsides to the north and west of Sala could be suitable for solar PV installations, particularly those facing south. These slight inclines can actually improve the efficiency of solar panels by optimizing their angle relative to the sun's path. However, it's important to note that while the topography around Sala offers potential for solar PV development, other factors such as grid connectivity, local regulations, and environmental considerations would need to be carefully evaluated before embarking on any large-scale solar projects in the region.

Sweden solar PV Stats as a country

Sweden ranks 36th in the world for cumulative solar PV capacity, with 1,577 total MW's of solar PV installed. This means that 0.70% of Sweden's total energy as a country comes from solar PV (that's 39th in the world). Each year Sweden is generating 152 Watts from solar PV per capita (Sweden ranks 34th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Sweden?

Yes, there are several incentives for businesses wanting to install solar energy in Sweden. The Swedish Energy Agency offers a number of grants and subsidies for businesses that want to invest in renewable energy sources such as solar power. Additionally, the government has implemented a feed-in tariff system which guarantees a fixed price for electricity generated from renewable sources such as solar. This helps to make investing in solar more attractive and financially viable for businesses.

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