Enns, Upper Austria, Austria presents a moderately suitable location for solar PV energy generation, though with significant seasonal variations typical of its Northern Temperate Zone position. The location experiences its peak solar production during summer months at 5.90kWh per day per kW of installed capacity, making this the ideal time for solar energy generation.

Seasonal Solar Performance

Spring offers the second-best performance at 4.36kWh/day per kW, while autumn drops considerably to 2.78kWh/day per kW. Winter presents the most challenging conditions with only 1.35kWh/day per kW, representing less than a quarter of summer production levels. For optimal year-round energy capture, solar panels should be installed at a fixed tilt angle of 41 degrees facing south. This angle maximizes total annual production by accounting for the sun's varying position throughout the year and weighting for the solar irradiance potential at different times.

Environmental and Weather Challenges

Several local factors could significantly impact solar production in Enns:

• Snow accumulation during winter months can completely block solar panels
• Alpine weather patterns may bring frequent cloud cover and precipitation
• Temperature variations can affect panel efficiency
• Potential for hail damage during severe weather events

Preventative Installation Measures

To maximize energy production despite these challenges, several installation strategies prove effective. Panels should be mounted with sufficient tilt to encourage natural snow shedding, while ensuring easy access for manual snow removal when necessary. Anti-reflective coatings and quality panel selection help maintain efficiency during cloudy conditions. Installing panels with adequate ventilation underneath prevents overheating during warmer months, while choosing impact-resistant panels and protective mounting systems guards against hail damage. Regular maintenance scheduling becomes particularly important during autumn and winter months to address debris accumulation and weather-related issues that could further reduce the already limited solar production during these seasons.

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

Link: Solar PV potential in Austria by location

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

Seasonal solar PV output for Latitude: 48.2124, Longitude: 14.4856 (Enns, Austria), 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 Enns, Austria

To maximize your solar PV system's energy output in Enns, Austria (Lat/Long 48.2124, 14.4856) 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 Enns, Austria

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 Enns, Austria. 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	62° 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 Enns, Austria

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 Enns, Austria.

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 Enns, Austria

Topographical Features Around Enns

Enns sits in the heart of Upper Austria within the Danube Valley, positioned at a strategic confluence where the Enns River meets the mighty Danube. The landscape here represents a transitional zone between the flat Danube plains to the north and the gradually rising foothills of the Austrian Alps to the south. The immediate terrain around the historic town is relatively gentle, with rolling hills and broad river terraces that have been carved by millennia of river activity.

The elevation around Enns varies from approximately 280 meters above sea level near the river confluence to around 400-500 meters on the surrounding hillsides. This moderate topographical variation creates a landscape of gentle slopes and plateaus, interspersed with fertile agricultural valleys. The Danube Valley itself forms a natural corridor running east-west, while the Enns Valley extends southward into the Alpine foothills.

To the north of Enns, the landscape flattens considerably as it extends toward the Mühlviertel region, characterized by broad agricultural plains and gentle undulations. Southward, the terrain becomes more varied as it approaches the northern edges of the Limestone Alps, with steeper gradients and more pronounced valleys. The western and eastern approaches maintain the characteristic rolling hill country typical of this part of the Austrian lowlands.

Optimal Areas for Large-Scale Solar Development

The most promising locations for extensive solar photovoltaic installations lie on the elevated plateaus and gentle south-facing slopes that surround Enns to the north and northwest. These areas benefit from relatively flat to gently sloping terrain that requires minimal grading for solar panel installation while avoiding the valuable agricultural bottomlands along the rivers.

The broad terraces above the Danube Valley, particularly those extending toward Steyr and beyond, offer excellent potential for solar farms. These elevated areas typically feature less intensive agricultural use compared to the prime riverside farmland, making them more available for alternative land uses. The consistent elevation and gentle topography of these plateaus also simplify construction logistics and reduce infrastructure costs.

South-facing slopes in the hills surrounding Enns present another category of suitable terrain, particularly those with gradients between 5-15 degrees. These natural slopes can optimize solar panel orientation without requiring extensive racking systems, though care must be taken to avoid areas with excessive steepness that would complicate maintenance access or increase erosion risks.

Areas to the northeast, extending toward the Mühlviertel plateau, offer perhaps the most extensive opportunities for large-scale development. This region features broad, gently rolling terrain with good accessibility via existing road networks, while being sufficiently removed from the most intensively cultivated river valley floors. The relatively uniform topography across these upland areas allows for standardized installation approaches across large sites.

Less suitable areas include the immediate floodplains of both rivers, which serve crucial agricultural and ecological functions, as well as the steeper slopes approaching the Alpine foothills to the south, where installation costs would be prohibitive and environmental impacts more significant.

Austria solar PV Stats as a country

Austria ranks 28th in the world for cumulative solar PV capacity, with 2,692 total MW's of solar PV installed. This means that 3.40% of Austria's total energy as a country comes from solar PV (that's 25th in the world). Each year Austria is generating 302 Watts from solar PV per capita (Austria ranks 14th in the world for solar PV Watts generated per capita). [source]

Are there incentives for businesses to install solar in Austria?

Yes, there are several incentives for businesses wanting to install solar energy in Austria. The Austrian government offers a range of financial support measures, including grants and loans, as well as tax breaks and other incentives. Additionally, the Austrian Energy Agency (AEA) provides information on funding opportunities for renewable energy projects. Furthermore, businesses can benefit from the Feed-in Tariff (FiT), which guarantees a fixed price for electricity generated from renewable sources such as solar energy.

Do you have more up to date information than this on incentives towards solar PV projects in Austria? Please reach out to us and help us keep this information current. Thanks!

Citation Guide

Article Details for Citation

Tell Us About Your Work

We love seeing how our research helps others! If you've cited this article in your work, we'd be delighted to hear about it. Drop us a line via our Contact Us page or on X, to share where you've used our information - we may feature a link to your work on our site. This helps create a network of valuable resources for others in the solar energy community and helps us understand how our research is contributing to the field. Plus, we occasionally highlight exceptional works that reference our research on our social media channels.

Feeling generous?

Share this with your friends!

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.