Solar PV Analysis of Vaduz, Liechtenstein
Vaduz, the capital city of Liechtenstein, is a suitable location for solar photovoltaic (PV) power generation with its latitude at 47.1322 and longitude at 9.5115. Throughout the four seasons, the average kilowatt-hours (kWh) produced per day for each kilowatt (kW) of installed solar capacity varies significantly.
In summer months, Vaduz experiences peak solar energy production with an average daily yield of 5.71 kWh/kW due to longer daylight hours and higher sun position in the sky. The energy production slightly drops in spring to an average daily output of 4.85 kWh/kW as sunlight duration decreases gradually.
During autumn, as daylight hours further reduce and weather conditions become less optimal for solar power generation, you can expect an average daily yield of approximately 2.99 kWh/kW from your installed PV system.
The winter season sees the lowest productivity with only about 1.52 kWh/kW generated per day on average due to shorter days and lower sun angle coupled with potential cloud cover or snowfall that can obstruct sunlight reaching your panels.
For fixed panel installations in this region, it's recommended to tilt panels at an angle of approximately 40 degrees facing south for maximum exposure to sunlight throughout the year.
However, considering Vaduz's Northern Temperate Zone climate characterized by cold winters and moderate rainfall throughout the year; rain or snow could potentially impede solar production during colder months by blocking direct sunlight from reaching your panels or lowering their efficiency due to temperature fluctuations.
To mitigate these environmental factors that may affect your PV system's performance in Vaduz: consider installing a monitoring system that alerts you when panel efficiency drops so you can promptly remove any debris like snow or leaves; use durable materials resistant to local weather conditions; ensure proper drainage around your installation site; and regularly maintain your PV system through cleaning and inspections.
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 4 locations across Liechtenstein. This analysis provides insights into each city/location's potential for harnessing solar energy through PV installations.
Link: Solar PV potential in Liechtenstein by location
Solar output per kW of installed solar PV by season in Vaduz
Seasonal solar PV output for Latitude: 47.1322, Longitude: 9.5115 (Vaduz, Liechtenstein), 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 40° South in Vaduz, Liechtenstein
To maximize your solar PV system's energy output in Vaduz, Liechtenstein (Lat/Long 47.1322, 9.5115) throughout the year, you should tilt your panels at an angle of 40° 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 Vaduz, Liechtenstein
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 Vaduz, Liechtenstein. As mentioned earlier, for fixed-panel solar PV installations, it is optimal to maintain a 40° South tilt angle throughout the year.
| Overall Best Summer Angle | Overall Best Autumn Angle | Overall Best Winter Angle | Overall Best Spring Angle |
|---|---|---|---|
| 30° South in Summer | 50° South in Autumn | 61° South in Winter | 39° 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 Vaduz, Liechtenstein
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 Vaduz, Liechtenstein.
Our calculation method
- Solar Position:
We determine the Sun's position on the Winter solstice using the location's latitude and solar declination. - Shadow Projection:
We calculate the shadow length cast by panels using trigonometry, considering panel tilt and the Sun's elevation angle. - 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 Vaduz, Liechtenstein
The topography around Vaduz, Liechtenstein is generally mountainous and hilly. The highest point in the country is Grauspitz at 8,527 feet (2,599 meters). Areas near Vaduz that are most suitable for large-scale solar PV include the Rhine Valley to the west of Vaduz, where there are flat open areas with plenty of sunshine. Other potential sites include some of the hillsides surrounding Vaduz, as well as agricultural land in nearby villages such as Triesen and Schaan.
Citation Guide
Article Details for Citation
Author: Aaron Robinson
Publisher: profileSOLAR.com
First Published: Tuesday 1st of August 2023
Last Updated: Monday 21st of July 2025
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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.
