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# Alpine PV competence

A project to support implementation partners by the Swiss universities of applied sciences

## Sitemaps

- [XML Sitemap](https://alpine-pv.ch/sitemap.xml): Contains all public & indexable URLs for this website.

## Beiträge

- [Gondosolar](https://alpine-pv.ch/gondosolar-2/) - Project Website https://www.gondosolar.ch/
- [SufersSolar](https://alpine-pv.ch/suferssolar/)
- [Solarfarm Bergbahnen Lenk (Hahnenmoosbärgli)](https://alpine-pv.ch/solarfarm-bergbahnen-lenk/)
- [Solaranlage Gries](https://alpine-pv.ch/solaranlage-gries/)
- [Gletschersolar Matterhorn](https://alpine-pv.ch/gletschersolar-matterhorn/)
- [Madrisasolar](https://alpine-pv.ch/madrisasolar/) - Governmental Announcement Grisons Municipality Klosters Report https://www.gr.ch/DE/Medien/Mitteilungen/MMStaka/2024/Seiten/2024081501.aspx https://www.gemeindeklosters.ch/_docn/4679080/02_Bericht_Photovoltaik_PV-Grossanlage_Z%C3%BCg.pdf
- [Sedrun Solar](https://alpine-pv.ch/sedrun-solar/) - primeo energie Media Release https://www.primeo-energie.ch/ueber-uns/news/SedrunSolar.html
- [Alpe di Laveggia](https://alpine-pv.ch/alpe-di-laveggia/)
- [Alpine Photovoltaikanlage Sidenplangg](https://alpine-pv.ch/alpine-photovoltaikanlage-sidenplangg/) - Initial Press Release EWA-energieUri Press Release EWA-energieUri Article Pilatus Today https://www.energieuri.ch/ewa-energieuri-prueft-die-machbarkeit-einer-alpinen-photovoltaikanlage-im-schaechental/ https://www.energieuri.ch/die-gemeinde-spiringen-sagt-ja-zum-projekt-alpine-photovoltaikanlage-sidenplangg/ https://www.pilatustoday.ch/zentralschweiz/uri/urner-landwirt-zur-alpinen-solaranlage-landschaftsbild-wird-kaputt-gemacht-158485885
- [SimmeSolar](https://alpine-pv.ch/simmesolar/)
- [SafientalSolar Alp Falätscha](https://alpine-pv.ch/safientalsolar-alp-falaetscha/)
- [SafientalSolar Alp Tenna](https://alpine-pv.ch/safientalsolar-alp-tenna/)
- [Heinzenberg](https://alpine-pv.ch/heinzenberg/)
- [BelalpSolar](https://alpine-pv.ch/belalpsolar/)
- [Schattenhalb Tschingel Ost](https://alpine-pv.ch/schattenhalb-tschingel-ost/)
- [Solarkraftwerk Alp Hintisberg](https://alpine-pv.ch/solarkraftwerk-alp-hintisberg/)
- [MontSol](https://alpine-pv.ch/montsol/)
- [Ovra Solara Magriel](https://alpine-pv.ch/ovra-solara-magriel/) - Basler & Hofmann Media Release axpo Technical Report https://www.baslerhofmann.ch/referenz/gesamtleitung-fuer-die-alpine-pv-anlage-ovra-solara-magriel https://www.disentis.ch/fileadmin/user_upload/PDF/mess_202124/me2341_Annexa_Rapport_tecnic_Axpo.pdf
- [Rosswald Solar](https://alpine-pv.ch/rosswald-solar/)
- [Lac de l'Hongrin](https://alpine-pv.ch/lac-de-lhongrin/)
- [Solaranlage Schwandfäl](https://alpine-pv.ch/solaranlage-schwandfael/)
- [Schattenhalb Tschingel West (Grindelfeld)](https://alpine-pv.ch/schattenhalb-tschingel-west/)
- [Splügen-Tambo](https://alpine-pv.ch/spluegen-tambo/)
- [PVA Hohsaas](https://alpine-pv.ch/solaranlage-hohsaas/)
- [Parc Solaire des Grands Plans](https://alpine-pv.ch/parc-solaire-des-grands-plans/)
- [Bernina Solar](https://alpine-pv.ch/bernina-solar/)
- [Lac des Toules](https://alpine-pv.ch/lac-des-toules/) - Wiki https://alpine-pv.ch/wiki/research-systems/floating-demonstration-parc-lac-des-toules/
- [NalpSolar](https://alpine-pv.ch/nalpsolar/) - Basler & Hofmann Media Release https://www.baslerhofmann.ch/referenz/gesamtleitung-fuer-die-alpine-pv-anlage-nalpsolar
- [Solaranlage Vorab](https://alpine-pv.ch/solaranlage-vorab/)
- [PVA Punt dal Gall](https://alpine-pv.ch/pva-punt-dal-gall/) - EKW initial Media Release EKW Media Release solpic Infopage Winter Yield SoliTek Media Release https://www.ekwstrom.ch/news/alpine-photovoltaikanlage-bei-der-stauanlage-punt-dal-gall-zur-winterstromproduktion https://www.ekwstrom.ch/news/ekw-nimmt-neue-solarstromanlage-punt-dal-gall-betrieb https://solpic.ch/projekte/winterstromproduktion-punt-dal-gall/# https://www.solitek.eu/de/naujienos/solitek-arbeitet-mit-schweizer-unternehmen-fur-alpine-solarprojekte-zusammen
- [Nandro Solar](https://alpine-pv.ch/nandro-solar/) - Watson Article PV Magazine Article https://www.watson.ch/schweiz/energie/271641238-surses-gr-erteilt-solarprojekt-der-stadt-zuerich-zweite-abfuhr https://www.pv-magazine.de/2024/01/30/schweizer-gemeinde-lehnt-bau-von-hochalpiner-photovoltaik-anlage-ab/
- [PV Alpin Parsenn](https://alpine-pv.ch/pv-alpin-parsenn/) - Formal Annoucnement PV Alpin Parsenn https://www.gemeindedavos.ch/aktuellesinformationen/2067259
- [Caischavedra](https://alpine-pv.ch/caischavedra/)
- [Albigna Solar](https://alpine-pv.ch/albigna-solar/) - BFE-Projekt https://www.aramis.admin.ch/Texte/?ProjectID=47370
- [z’Opmisch Hubil](https://alpine-pv.ch/zopmisch-hubil/)
- [Vispertal Solar Wysse-Bode/Sattel](https://alpine-pv.ch/vispertal-solar-wysse-bode-sattel/)
- [Vispertal Solar Mattwald](https://alpine-pv.ch/vispertal-solar-mattwald/)
- [Vispertal Solar Mäsweide](https://alpine-pv.ch/vispertal-solar-maesweide-rieberg/)
- [Vispertal Solar Galmen](https://alpine-pv.ch/vispertal-solar-galmen/)
- [Varneralp Solar](https://alpine-pv.ch/varneralp-solar/)
- [SolSarine Vorderi Schneit](https://alpine-pv.ch/solsarine-ii/)
- [SolSarine Hornberg](https://alpine-pv.ch/solsarine-i/)
- [Solarprojekt Morgeten](https://alpine-pv.ch/solarprojekt-morgeten-2/) - SRF Article https://www.srf.ch/news/schweiz/alp-morgeten-erste-alpine-gross-solaranlage-in-der-schweiz-bewilligt
- [Solarkraftwerk Samedan](https://alpine-pv.ch/engadin-solar/)
- [Solaranlage Melchsee-Frutt](https://alpine-pv.ch/solaranlage-melchsee-frutt/)
- [Solar Alpin Käserstatt](https://alpine-pv.ch/solar-alpin-kaeserstatt/)
- [Solar Alpin Disentis](https://alpine-pv.ch/solar-alpin-disentis/)
- [Scuol Solar](https://alpine-pv.ch/scuol-solar/)
- [SchiltSolar](https://alpine-pv.ch/schiltgrat/)
- [Räterichsboden Stausee](https://alpine-pv.ch/raeterichsboden-stausee/)
- [PV Schafberg](https://alpine-pv.ch/pv-schafberg/)
- [Prafleuri](https://alpine-pv.ch/prafleuri/)
- [Parco Solare Alpino Duragno](https://alpine-pv.ch/pv-alpine-duragno/)
- [Parc Solaire de Chargerat](https://alpine-pv.ch/parc-solaire-de-chargerat/)
- [Ovronnaz Solar](https://alpine-pv.ch/1135-2/)
- [Ovra Solara Rueun](https://alpine-pv.ch/ovra-solara-rueun/)
- [Ovra Solara Camplauns](https://alpine-pv.ch/ovra-solara-camplauns/)
- [Oberaar Staumauer](https://alpine-pv.ch/oberaar-staumauer/)
- [Lago di Lei](https://alpine-pv.ch/lago-di-lei/)
- [Grindelwald Oberjoch](https://alpine-pv.ch/grindelwald-oberjoch/)
- [Grindelwald Gemschberg](https://alpine-pv.ch/grindelwald-gemschberg/)
- [Grengiols Solar](https://alpine-pv.ch/grengiols-solar/)
- [Glarus Süd Solar](https://alpine-pv.ch/glarus-sued-solar/)
- [Gibidum Solar](https://alpine-pv.ch/gibidum-solar/)
- [AlpinSolar](https://alpine-pv.ch/alpinsolar/)
- [Alpin Solar Ybrig](https://alpine-pv.ch/alpin-solar-ybrig/)

## Seiten

- [Home](https://alpine-pv.ch/) - Alpine PV Competence means Knowledge & Information about Alpine Photovoltaics, as part of the Alience Project involving ZHAW, BFH, SUPSI and OST
- [Statistics](https://alpine-pv.ch/statistics/) - Statistical analyses of the plants on alpine-pv.ch. It offers the possibility to compare the installations with each other.
- [Legal Notice](https://alpine-pv.ch/legal-notice/) - Legal notice of the alpine-pv.ch
- [Knowledge](https://alpine-pv.ch/wiki/) - Knowledge part of the Alpine PV website with a lot of wiki entries
- [Map](https://alpine-pv.ch/map/) - Map showing all planned, realised, deferred and discarded Alpine PV plants. Filterable by Project Status, Location, Technical & Legal Factors
- [About](https://alpine-pv.ch/about/) - This website is the result of a collaboration between four universities of applied sciences in Switzerland as part of the Alience Project.

## LocateAndFilter

- [Alpine PVA](https://alpine-pv.ch/locateandfilterMap/alpine-pva/)
- [Research PVA](https://alpine-pv.ch/locateandfilterMap/research-pva/)

## Knowledge Base

- [Static Mechanical Load Test Sequence](https://alpine-pv.ch/wiki/module-testing/static-mechanical-load-test-sequence/) - Gassner et al. [1] and the IEA PVPS Task 13 report [2] highlight mechanical load testing as a critical reliability assessment for PV modules deployed in Alpine environments. Both studies emphasise the effect of low temperatures, especially under mechanical load, which causes encapsulant materials to stiffen, reducing their ability to protect fragile solar cells under
- [UV Stress Test Sequence](https://alpine-pv.ch/wiki/module-testing/uv-stress-test/) - PV modules installed in Alpine environments are exposed to significantly higher ultraviolet (UV) radiation due to increased solar irradiance and strong UV reflection from snow. At the same time, several new silicon solar cell technologies show increased UV sensitivity [1]. To investigate the impact of these conditions, we performed an indoor UV stress test sequence
- [Sölden (AT)](https://alpine-pv.ch/wiki/additional-projects/soelden-at/) - Alpine PV system in the ski resort of Sölden, Austria, installing Helioplant's "solar trees" at nearly 3000 m.a.s.l. (under construction): PV plant in the ski resorts of Sölden, Austria 2850-3000 m.a.s.l. Around 800 "solar trees" from Helioplant Optimizers and inverters from SolarEdge 6.3 MWp Annual energy yield (forecast): around 9 GWh Start of construction: 2025
- [Irradiation at high altitudes for alpine photovoltaic systems](https://alpine-pv.ch/wiki/irradiation/irradiation-at-high-altitudes-for-alpine-photovoltaic-systems/) - In alpine regions, maximum solar radiation is much higher than in lower-lying regions. This raises the question of the correct dimensioning of the system, both in normal conditions and in the event of a fault.
- [Insights from the first construction season](https://alpine-pv.ch/wiki/planning/insights-from-the-first-construction-season/) - According to the initial regulations of the “Solarexpress”, 10 % of the planned PV-installation must be connected to the grid by the end of this year (2025)1. Therefore, the constructions had to begin this summer. So far, 4 sites are under construction and partially connected to the grid: Madrisasolar Sedrun Solar Nalp Solar Sidenplangg Based
- [Hail Damages](https://alpine-pv.ch/wiki/typical-module-damages/hail-damages/) - Although hail events are relatively infrequent, they pose a significant risk when they occur, as they can directly impact the mechanical stability of PV modules, including the glass and solar cells. The likelihood and severity of hail damage depend on location, with Alpine foothills identified as higher-risk areas (see Alpine PV Stressors). Hailstones can vary
- [Low-Temperature and Thermal-Cycling-Induced Damages](https://alpine-pv.ch/wiki/typical-module-damages/low-temperature-and-thermal-cycling-induced-damages/) - Photovoltaic modules installed in cold climates or at high altitudes are exposed to extreme mechanical and thermo-mechanical stresses. Low temperatures and rapid temperature fluctuations influence solar cells, polymeric materials – encapsulant and backsheet – and also electrical interconnections, cable insulation, and connectors. While low ambient temperatures generally slow chemical ageing processes [1], they significantly increase
- [Snow and Wind Load Damages](https://alpine-pv.ch/wiki/typical-module-damages/snow-and-wind-load-damages/) - PV modules installed in cold, snowy, and high-altitude environments are exposed to significant mechanical stresses from snow accumulation, ice formation, and wind loading as highlighted in Alpine PV Stressors. Heavy or uneven snow buildup increases bending forces on the module surface, while strong winds introduce both static and cyclic mechanical loads across the laminate. At
- [Partial Shading Damages](https://alpine-pv.ch/wiki/typical-module-damages/partial-shading-damages/) - Shading on photovoltaic (PV) modules directly reduces the electrical output of the module by reducing the amount of sunlight reaching the solar cells. This can be caused by a variety of objects such as trees, buildings, snow accumulation, soiling or even self-shading (Figure 1 and Figure 2). When a cell is shaded, it produces less
- [UV-Induced Degradation and Damages](https://alpine-pv.ch/wiki/typical-module-damages/uv-induced-degradation-and-damages/) - Photovoltaic (PV) modules are exposed to various environmental stressors throughout their lifetime, as highlighted in Alpine PV Stressors, among which ultraviolet (UV) radiation is one of the most critical. High levels of both total irradiance and UV irradiance are typical at elevated altitudes. With increasing altitude, not only does the overall irradiance rise, but the
- [Typical Degradation Rates in Alpine Climates](https://alpine-pv.ch/wiki/alpine-environment-and-its-impact-on-modules/typical-degradation-rates-of-pv-systems-in-cold-and-snowy-climates/) - Photovoltaic systems deployed in cold climates, as present at high-altitudes and high- latitudes, exhibit compared to other climatic zones some of the lowest degradation rates. This is primarily due to the low operating temperatures which slow down thermally driven degradation mechanisms as chemical (polymer) degradation, while mechanical, thermo-mechanical and UV stressors become dominant. Global climate-specific
- [Videos](https://alpine-pv.ch/wiki/online-workshop/videos/) - With the presenters’ consent, four presentations from the online workshop are made available here and are freely accessible. PV Module Design for Alpine Conditions by Ebrar Özkalay (SUPSI) Requirements for Inverters in Alpine Installations Part 1Results from the Alpine Testsite Tschingel by Stefan Müller Duss (BKW) Requirements For Inverters In Alpine PV Installations by Prof.
- [Presentation slides](https://alpine-pv.ch/wiki/online-workshop/presentation-slides/) - The following slides were kindly provided by the presenters. They are the same slides that were used during the online workshop presentations and can also be seen in the corresponding videos. PV Module Design for Alpine Conditions by Ebrar Özkalay (SUPSI) PV Module Design for Alpine Conditions_Ebrar Özkalay_SUPSIDownload Requirements for Inverters in Alpine InstallationsPart 1:
- [Content of the Workshop](https://alpine-pv.ch/wiki/online-workshop/content-of-the-workshop/) - The realisation of alpine PV plants faces a special challenge compared to plants on the Swiss Plateau. In the Alps, wind loads are higher, snow drifts occur, temperature cycles are faster and temperature amplitudes are larger, and at the same time the irradiation of energy-rich UV light is increased. This results in additional requirements for
- [Interactive Tool for Yield Assessment](https://alpine-pv.ch/wiki/energy-yield-winter-yield/interactive-tool-for-yield-assessment/) - In the following, the simulation data from the parametric study can be considered individually. An alignment and a substrate inclination can be set. If required, the selected ground cover ratio (GCR) can be restricted. The first line of the graphs shows the specific yield in kWh/kWp, the second the area-specific yield in kWh/m² and the
- [29.10.2025 Online Workshop](https://alpine-pv.ch/wiki/uncategorized/29-10-2025-online-workshop/) - Workshop «Technical Requirements of Components for Alpine PV Systems» The realisation of alpine PV plants faces specific challenges compared to plants on the Swiss Plateau. In the Alps, wind loads are higher, snow drifts occur, temperature cycles are faster and more extreme, and irradiation of energy-rich UV light is increased. These conditions result in additional
- [Mounting Systems for Alpine PV Installations](https://alpine-pv.ch/wiki/mounting-system/mounting-systems-for-alpine-pv-installations/) - Photovoltaic (PV) systems installed in alpine regions are generally exposed to greater wind and snow loads compared to installations at lower altitudes, depeding on the specific location. The mounting system must withstand these loads throughout the lifespan of the system. Consequently, local conditions must be carefully evaluated. Several different prototypes and PV installations already exist
- [Guides](https://alpine-pv.ch/wiki/further-informations/guides/) - On this page, a collection of links to published guides relevant to the field of alpine PV is being created. Leitfaden zu PV-Kraftwerken in den Alpen Link: https://www.swissolar.ch/01_wissen/fachwissen/photovoltaik/leitfaeden/250211_leitfaden_alpine-pv-kraftwerke.pdf This guide, published by Swissolar, offers a broad overview of the opportunities and challenges of alpine PV. Its goal is to support planers, investors and authorities throughout
- [Weather station](https://alpine-pv.ch/wiki/monitoring-data-evaluation/weather-station/) - Description: Real-time monitoring and logging of weather data, such as irradiance (global, direct, in-plane), ambient temperature, module temperature, wind speed, precipitation, relative humidity, air pressure, soiling, snow depth and cloud cover. Adding a webcam for remote visual inspection of the local conditions and the PV plant provides further valuable information. In addition, vibration and deformation
- [Operation and maintenance of alpine PV-plants](https://alpine-pv.ch/wiki/operation-maintenance/operation-and-maintenance-of-alpine-pv-plants/) - Monitoring, and regular inspection of PV power plants is fundamental to ensure optimal electricity production. There exist many reports on best practices for operation and maintenance, such as [1–7], for example. Hereafter, we want to set a special focus on the implementation of such methods in alpine regions, highlighting additional challenges or benefits in this
- [Actors in Alpine PV](https://alpine-pv.ch/wiki/further-informations/actors-in-alpine-pv/) - The following list provides an overview of associations, companies, and project stakeholders—in short, all key actors in the field of alpine PV in Switzerland. It is not a definitive collection but will be updated continuously as new information becomes available or as the field evolves. Associations and interest groups IG Solalpine (Swiss Interest Group for
- [Alpine PV Module Testing ](https://alpine-pv.ch/wiki/alpine-environment-and-its-impact-on-modules/alpine-pv-module-testing/) - The article “Alpine PV Stressors” explains the particularly challenging environment of the Alps. Factors such as low temperatures, ice formation, snow accumulation, strong winds, high irradiance and high ultraviolet (UV) radiation may lead to the need for “alpine PV module design”. Furthermore, these specific challenges may require reliability tests that go beyond the requirements of
- [Monitoring of pilot projects](https://alpine-pv.ch/wiki/monitoring-data-evaluation/monitoring-of-pilot-projects/) - During the planning phase, an off-grid pilot project is often implemented, to test the chosen solutions in real conditions and gather further information on the building site. Hence, compared to the monitoring of an operational power plant, where optimization of production is the main focus, the monitoring of such pilot plants has a more experimental
- [Alpine PV and Winter Power](https://alpine-pv.ch/wiki/further-informations/alpine-pv-and-winter-power/) - PV systems on rooftops in the Central Plateau produce the most when the sun is shining. This means in the summer months around midday. Without seasonal storage options, this energy cannot be used directly in winter. As a result, there is usually an oversupply of PV electricity in summer and an undersupply in winter, when
- [Field experiences so far](https://alpine-pv.ch/wiki/operation-maintenance/field-experiences-so-far/) - The interviews conducted with various actors in alpine PV indicated that, so far, most interventions required on PV power plants in the Alps were due to mechanical damages. Snow drift turns out to be the biggest challenge, since it is hard to predict and can lead to huge forces. Indeed, not only does it lead
- [Individual measurement of PV-modules in a mobile laboratory](https://alpine-pv.ch/wiki/outdoor-measurement/individual-measurement-of-pv-modules-in-a-mobile-laboratory/) - Description: Detailed measurements of individual PV modules, typically in a mobile laboratory. Equipment: Mobile laboratory, typically including: I-V curve measurement, EL, IR imaging, insulation testing. Requirements: Road access to the site, electricity access 230V/10A or a generator. Gained insights: As described in the sections I-V curve measurement, EL, and IR imaging (e.g. active and inactive
- [Cleaning of alpine PV installations](https://alpine-pv.ch/wiki/cleaning-of-systems/cleaning-of-alpine-pv-installations/) - Typically, regular cleaning of the PV modules is important to minimize the losses due to soiling. Since PV-modules in alpine regions are mounted steeper than in the lowlands, and the typical dirt sources (roads, industries, pollen, …) are absent, soiling is less of an issue. So far, the experience acquired on existing alpine PV installations
- [UV Fluorenscence (UV-F)](https://alpine-pv.ch/wiki/outdoor-measurement/uv-fluorenscence-uv-f/) - Description: UV-F detects the luminophores generated when EVA degrades under UV radiation. Oxygen diffusing into the EVA reacts with the luminophores and deactivates them (photobleaching). Therefore, moisture ingress and cell cracks are visible as darker regions in the fluorescence image [1]. Equipment: UV-light source to excite the luminophores, camera to record fluorenscence. Requirements: Measurements to
- [Photoluminescence (PL)](https://alpine-pv.ch/wiki/outdoor-measurement/photoluminescence-pl/) - Description: Light emission from cells is measured, like for EL, but using light (instead of current) as excitation source. Lock-in amplification is used to filter out the sunlight, modulating the signal with a high power LED array [1–3]. As for EL, regions with high signal are intact, whereas damaged areas will remain dark, allowing for
- [Electroluminescence (EL)](https://alpine-pv.ch/wiki/outdoor-measurement/electroluminescence-el/) - Description: A DC current is applied to the PV modules, which causes the cells to emit light, which is detected by a charged silicon camera. Regions with high signal are intact, whereas damaged areas will remain dark, allowing for defect localization [1]. Equipment: DC current source, charged silicon camera with high resolution and a high
- [Illuminated Thermography (IR)](https://alpine-pv.ch/wiki/outdoor-measurement/illuminated-thermography-ir/) - Description: Heat in the PV modules is detected using an infrared (IR) camera [1]. The later can be hand-held, or mounted on a drone, allowing for fast measurements of large areas. Equipment: IR-Camera, preferably mounted on a drone. Requirements: Stable sunny conditions for illumination, low wind conditions for drone flight. Gained insights: detection of hot
- [Isolation measurement](https://alpine-pv.ch/wiki/outdoor-measurement/isolation-measurement/) - Description: Measurement of the electrical resistance between the connectors and the earth (leakage current), as well as the continuity of the protective conductors. Equipment: Dedicated hardware, mostly included in IV-curve tracers. Most inverters monitor the leakage currents too. Requirements: Access to the electrical connectors of the individual strings. Wet weather represents the worst-case conditions for
- [I-V curve measurement](https://alpine-pv.ch/wiki/outdoor-measurement/i-v-curve-measurement/) - Description: Measurement of the variation of current and voltage from the open-circuit to short-circuit condition by applying a variable load [1]. Equipment: Dedicated hardware (IV-curve tracer) with sensors for onsite measurement (like pyranometer or sunlight irradiance sensor and thermometer). Some inverters can do this remotely. Requirements: Stable sunny conditions. Gained insights: Evaluation of power generation
- [Visual inspection](https://alpine-pv.ch/wiki/outdoor-measurement/visual-inspection/) - Description: Visual inspection of the PV plant. A rough overview can be gained remotely via webcams. However, a detailed inspection requires on-site human intervention. In some cases, a drone can be used for faster inspection. Equipment: Camera. Optionally webcams and/or drone. Requirements: Access to the PV plant for human inspection. Low wind condition for drone
- [Output monitoring](https://alpine-pv.ch/wiki/monitoring-data-evaluation/output-monitoring/) - Description: Remote access and real-time monitoring and logging of the inverter’s input and output values, including power, voltage, current. Equipment: Data logger. Requirements: On-site data connection. Gained insights: Indicates if the system is running as expected, or if there are issues to be inspected. Depending on the evolution of power, voltage and current, some further information
- [Software](https://alpine-pv.ch/wiki/software/software/) - PV simulation software: 3E Archelios DDSCad PV GlintSolar Greenius Hive (food4rhino) IDA ICE LuciSun Meteonorm MoBiDiG: Présentation PowerPoint (npv-workshop.com) NREL: Photovoltaic Bifacial Irradiance and Performance Modeling Toolkit | Photovoltaic Research | NREL Polysun PVFarm PVcase PVscout PVSol PVSyst RatedPower RETScreen Solar-Plaint Solarius PV Solextron VIRTO
- [Boosting Winter Electricity with Alpine Roofs](https://alpine-pv.ch/wiki/energy-yield-winter-yield/increasing-the-proportion-of-winter-electricity-through-design-optimization-of-photovoltaic-roof-systems/) - This article is an adaptation of a confrence contribution at the EUPVSEC 2024 in Vienna.Created by the Photovoltaics Research Group at ZHAW, Winterthur. At higher latitudes, one half of the year delivers a significantly lower energy yield due to the seasons. As a result, expensive seasonal storage systems are built up to close this energy
- [Experimental Plant in Davos Totalp](https://alpine-pv.ch/wiki/research-projects/experimental-plant-in-davos-totalp/) - Since 2017, EKZ and ZHAW Wädenswil have been operating an alpine photovoltaic pilot plant in the Davos-Parsenn area at 2,500 meters above sea level, in which individual modules are mounted at different tilt angles. The system was later expanded with a flexible miniaturized system. Alpine Pilot Plant The pilot system set up at Davos Totalp
- [Yield determination according to Art. 71a EnG](https://alpine-pv.ch/wiki/energy-yield-winter-yield/yield-determination-according-to-art-71a-eng/) - In order to qualify for federal support in accordance with Article 71a, the planned installation must comply with the requirements set out in this Act. This necessitates the submission of a yield simulation of the system. The specific requirements for this are outlined in the Swiss federeal office of environment's (SFOE's) guidelines. This article provides
- [Floating PV](https://alpine-pv.ch/wiki/legal-aspects/floating-pv/) - Report Tagesanzeiger 25.11.2024.
- [Floating Demonstration-Parc Lac des Toules](https://alpine-pv.ch/wiki/research-projects/floating-demonstration-parc-lac-des-toules/) - Facts *Two tilt angles, as the structure floats from mid-June to mid-December and remains on a platform at the bottom of the reservoir for the other half of the year, which has its own tilt angle Links
- [Alpine Module Design](https://alpine-pv.ch/wiki/module-design-aspects/alpine-module-design/) - When designing Alpine PV modules, it is essential to consider the specific environmental challenges posed by the alpine environment. This includes cold temperatures, heavy snow loads, high wind speeds, large temperature variations, UV exposure, and potential mechanical stresses. Below are key considerations for the design of Alpine PV modules, which are also summarized in Figure
- [Parametric study on a swiss location for alpine PV systems](https://alpine-pv.ch/wiki/energy-yield-winter-yield/parametric-study-on-a-swiss-location-for-alpine-pv-systems/) - Structure of the simulationsSimulation resultsAnnual specific yieldWinter specific yieldAnnual area specific yieldImpact of the horizonReliability of the simulation resultsConclusionHorizonSpecific yield and area specific yieldModule tilt and orientationAzimuth of -90°/90°Azimuth of -45°/45°Azimuth of 0°Winter shareAdaption to other locationsReferences This page gives an overview about different simulation results about bifacial PV systems carried out for an alpine
- [Birg](https://alpine-pv.ch/wiki/research-projects/birg/) - The Bern University of Applied Sciences has operated a PV system at the middle station of the Schilthorn cable car since 1993. It was taken out of operation in 2023 as the cable car was renewed. Facts Specific yield over years
- [Greenhouse Gas Footprint of Alpine PV Plants](https://alpine-pv.ch/wiki/environmental-impact/greenhouse-gas-footprint-of-alpine-pv-plants/) - How much greenhouse gas is produced during the construction, production and end-of-life phases of an Alpine PV system? Solalpin and Amstein + Walther have answered this question in a Life Cycle Analysis (LCA). This was carried out on an exemplary 30 MWp system, so the results still need to be consolidated with real and realized
- [Jungfraujoch](https://alpine-pv.ch/wiki/research-projects/jungfraujoch/) - A PV system consisting of two arrays is operated on the Jungfraujoch. These two fields are connected in parallel to one MPPT. It is used to analyse different effects of pv systems in alpine areas. Facts Reports Activity_Report_BFH_2023 Activity_Report_BFH_2022 Activity_Report_BFH_2021 Link High Altitude Research Stations Jungfraujoch and Gornergrat In 1993, the highest grid connected PV plant in the World was built at Jungfraujoch (3454 meters above sea level).
- [Birds and Alpine solar installations](https://alpine-pv.ch/wiki/research-projects/birds-and-alpine-solar-installations/) - The Swiss Ornithological Institute is conducting a before-and-after study on the effects of solar installations on biodiversity at various Alpine sites in Switzerland. Link The Swiss Ornithological Institute is conducting a before-and-after study on the effects of solar installations on biodiversity at various sites in Switzerland.
- [Manual bifacial vertical](https://alpine-pv.ch/wiki/energy-yield-winter-yield/bifacial-vertical/) - Vertically installed bifacial PV systems boost winter energy yield, especially in alpine areas. A new handbook offers dimensioning graphs, analyzing yield by location, row spacing, and curtailment losses.
- [PVDETECT](https://alpine-pv.ch/wiki/research-projects/pv-detect/) - Time frame Start date: 01.11.2022 End date: 31.10.2025 Partners OFI Österr. Forschungsinstitut für Chemie und Technik - Material Analytics and Environmental Simulation Sonnenkraft GmbH Abstract In the mountainous countries of Switzerland and Austria, the availability of open spaces for ground-based PV systems is limited, which is why PV systems also have to be installed as
- [Wildkogel](https://alpine-pv.ch/wiki/additional-projects/alpine-projects-outside-switzerland/) - Open-air pv plant near the mountain station of the Wildkogel ski area 2'100 m.a.s.l. Built in 2011 Annual energy yield: around 1'400'000 kWh Nominal power: 987 kWp Number of modules: 462 Weblinks Link to Wildkogel
- [Test Plant SedrunSolar](https://alpine-pv.ch/wiki/research-projects/test-plant-sedrunsolar/) - Three tables in a row, eight modules per table Measuring system from Gantner Instruments I-V curves are measured every minute Weather and PV data are measured every second Static constructions are equipped with vibration sensors Off-grid system with an autonomy of several days Webcam live streams and event detection to monitor the activity of animals
- [EnG 71a](https://alpine-pv.ch/wiki/legal-aspects/eng-71a/) - This article gives an overview of the main facts about Article EnG 71a, summarises the most important information and refers to further resources.
- [Interesting links for more information](https://alpine-pv.ch/wiki/further-informations/interesting-links/) - If the information required about alpine PV has not been found on this website, the links below may be able to help. Solalpine - Schweizerische Interessensgemeinschaft für Winterstrom aus den Alpen Solalpine is the Swiss interest group for winter electricity from the Alps (German: Schweizerische Interessensgemeinschaft für Winterstrom aus den Alpen). It works as a
- [Planning Applications](https://alpine-pv.ch/wiki/legal-aspects/planning-applications/) - This article contains information about planning applications, how to submit and how to find them, in regards to alpine PV installations.
- [Air Transport Material Delivery](https://alpine-pv.ch/wiki/site-assessment/material-delivery-air-transport/) - This article compares different material delivery methods to provide an overview of their feasibility and suitability, with a focus on air transport methods
- [Alpine PV Stressors](https://alpine-pv.ch/wiki/alpine-environment-and-its-impact-on-modules/alpine-pv-stressors/) - Photovoltaic (PV) panels are a popular choice for generating renewable energy in various conditions, including alpine environments (above 1500 meters above sea level (MASL)). The use of PV panels in alpine conditions offers several advantages and unique challenges. One advantage of using PV panels in alpine conditions is the abundance of sunlight. Due to the
- [Pitztal Glacier](https://alpine-pv.ch/wiki/additional-projects/pitztal-glacier/) - PV plant on the Pitztal Glacier 2'900 m.a.s.l. Built in 2015 Annual energy yield: around 1'450'000 kWh Nominal power: 1 MWp Number of modules: 3504 Power of module: 275 Wp Static load module: 8'000 Pa Number of optimizer: 1'752 Number of inverter: 57 with 17 kW Length of rows: 1'500 m Module fields: 73 Weblinks

## sci-posts

- [Testanlage Prafleuri](https://alpine-pv.ch/sci-post-type/testanlage-prafleuri/) - Research Objective Acquire field data, validate the collected information and test a wooden mounting system. To do so, two test installations were built. In the beginning of 2023, 2 times 800 W of modules have been installed (on a steel mounting system) at different tilt angles, measuring power and production, as well as a weather
- [Testanlage Gries](https://alpine-pv.ch/sci-post-type/testanlage-gries/) - Research Objective The focus of this pilot project is to test the planned mounting system and modules in real conditions. This is particularly relevant, as this site regularly experiences heavy snowfalls. Plant Details Related Wiki Article Additional Links Project description Project presentation https://gemeinde.obergoms.ch/energie/solaranlage-gries/ https://gemeinde.obergoms.ch/media/files/2FMV_20240822_PVAGries_Informationsanlass.pdf
- [Testanlage Mattwald](https://alpine-pv.ch/sci-post-type/testanlage-mattwald/) - Research Objective The 3 rows of modules are a fully functional model of the planned PV installation. The data provided by it will help to assess local specificities, adjust the yield predictions and finalize the planning. Plant Details Related Wiki Article Additional Links
- [Solaranlage Lawinenverbauung Bellwald](https://alpine-pv.ch/sci-post-type/solaranlage-lawinenverbauung-bellwald/) - Research Objective Test the concept of PV on avalanche protection infrastructure. The advantage being the ability to use already built infrastructure as part of the mounting system. Moreover, such installations are usually built in populated areas, providing access to roads and the electric grid. Plant Details Related Wiki Article Additional Links Project description https://www.enalpin.ch/modal-photovoltaik/lawinenverbauung-bellwald
- [Testanlage Gondosolar](https://alpine-pv.ch/sci-post-type/testanlage-gondosolar/) - Research Objective A test facility was set up on the Alpjerung to provide valuable insights into the solar tree design and the location. Plant Details Related Wiki Article Additional Links Project Website https://www.gondosolar.ch/
- [Testanlage Turn2Watt](https://alpine-pv.ch/sci-post-type/testanlage-turn2watt/) - Research Objective Acquire field data on the energy yield and test the mechanical robustness of the innovative mounting structure, designed to avoid snow covering thanks to the creation of a vortex around the structure in windy conditions. The location of the plant is yet undisclosed (the marker on the map being set arbitrarily at the
- [Testanlage Solartanne Motta Naluns](https://alpine-pv.ch/sci-post-type/testanlage-solartanne-motta-naluns/) - Research Objective Test, in the harsh alpine environment, an innovative, robust and low-cost mounting structure, designed to enhance winter yield in snowy terrain. Plant Details Related Wiki Article Additional Links Projektbeschreibung Linkedin Post SPF Institute for Solar Technology https://www.ost.ch/spf/solartanne https://www.linkedin.com/posts/spf-institut-f-r-solartechnik_solarenergie-innovation-nachhaltigkeit-activity-7274713422179565569-rS7D
- [Testanlage NalpSolar](https://alpine-pv.ch/sci-post-type/testanlage-nalpsolar/) - Research Objective A test facility has been set up to provide valuable insights into the design of the tables and the radiation. Plant Details Related Wiki Article Additional Links schweiz.biz News Article showing image of plant https://www.schweiz.biz/2023/11/24/axpo-plant-alpine-solaranlage-in-glarus-sued/
- [Alpine Modellanlage Totalp](https://alpine-pv.ch/sci-post-type/alpine-modellanlage-totalp/) - Research Objective In order to be able to estimate yields and optimise alpine solar installations, measurements on a real installation are necessary. The Renewable Energies research group is therefore realising an alpine model photovoltaic system above Davos on the Totalp, with which the solar power yields can be determined by varying various setting parameters such
- [Versuchsanlage Totalp](https://alpine-pv.ch/sci-post-type/versuchsanlage-totalp/) - Research Objective The photovoltaic test facility is being used to investigate the influence of the Alpine region on the electricity yield. Thanks to the reflection on the snow surface, the low air temperature and less fog compared to the Central Plateau, high yields can be achieved in winter, particularly with bifacial photovoltaic module. Plant Details
- [Birg](https://alpine-pv.ch/sci-post-type/birg/) - A PV system was in operation in Birg from 1993 to 2023. This plant was used to test the reliability and performance of solar modules/systems.
- [Jungfraujoch](https://alpine-pv.ch/sci-post-type/jungfraujoch/) - Since 1993, a PV system has been operating on the Jungfraujoch to analyze the reliability and performance of solar modules in alpine conditions.
- [Testanlage Tschingel West](https://alpine-pv.ch/sci-post-type/testanlage-tschingel-west/) - Research Objective The test plant is intended to help to better estimate the assembly processes and the costs for the entire system. In addition, it also serves as a first impression to the public. Plant Details Related Wiki Article Additional Links Linkedin Post BKW AG SRF Video Report Article Berner Oberlaender https://www.linkedin.com/posts/bkwag_solar-solarexpress-activity-7231210814114824193-eYlJ?utm_source=share&utm_medium=member_desktop https://www.srf.ch/play/tv/10-vor-10/video/foerderprogramm-solarexpress-stockt---moegliche-gruende?urn=urn:srf:video:ba83608f-831c-4e02-b1a4-6f454014cd58 https://www.berneroberlaender.ch/schattenhalb-misstrauen-wegen-geplanter-solar-testanlage-190008655838
- [Testanlage Tschers Nandro-Solar](https://alpine-pv.ch/sci-post-type/testanlage-tschers-nandro-solar/) - Research Objective 46 panels will provide valuable information on wind conditions, air temperature and solar radiation, among other things. The findings will be incorporated into the final design of the PV system for Nandro-Solar. Plant Details Related Wiki Article Additional Links Consortium Zendra Infopage Messsystem https://zendra.ch/tschers-radons-surses/ https://www.gantner-instruments.com/de/blog/innovation-in-alpine-solar-winterliche-energieherausforderungen-meistern/
- [Testanlage Grengiols-Solar](https://alpine-pv.ch/sci-post-type/testanlage-grengiols-solar/) - Research Objective The test system installed at an altitude of 2,500 metres at the end of November 2022 will be in operation until winter 2023/24. The electrical solar yield is measured for each of the six photovoltaic modules with different tilt angles - in all weathers and throughout the year. Cameras monitor the influence of
- [SolSarine Pilotanlage](https://alpine-pv.ch/sci-post-type/solsarine-pilotanlage/) - Research Objective The SolSarine pilot plant was put into operation on the Hornberg on 31 August 2023. The pilot plant is a fully functional model of the planned SolSarine plants and the first grid-connected and officially approved plant for use in the canton of Bern. The pilot plant will supply data for the project over
- [Testanlage Tujetsch SedrunSolar](https://alpine-pv.ch/sci-post-type/testanlage-sedrunsolar/) - Research Objective The test installation with PV modules in the field, which went into operation on 28 March 2023, aims to gain insights into the construction and operation as well as the further development of power yield modelling with rows of modules in a row over the coming summer and winter months. The planned installation

## Kategorien

- [in planning](https://alpine-pv.ch/category/in-planning/)
- [connected to grid](https://alpine-pv.ch/category/connected-to-grid/)
- [under construction](https://alpine-pv.ch/category/under-construction/)
- [discarded](https://alpine-pv.ch/category/discarded/)
- [deferred](https://alpine-pv.ch/category/deferred/)

## Knowledge Base categories

- [Knowledge](https://alpine-pv.ch/wiki/knowledge/) - This is the description for the Demo Content. Go to Knowledge Base > Manage KBs to change it.
- [Mounting system](https://alpine-pv.ch/wiki/products/mounting-system/) - This is the description for the section. Go to Knowledge Base->Sections to change it.
- [Module](https://alpine-pv.ch/wiki/products/module/)
- [Planning](https://alpine-pv.ch/wiki/planning/)
- [Operation & Maintenance](https://alpine-pv.ch/wiki/operation-maintenance/)
- [Products](https://alpine-pv.ch/wiki/products/)
- [Site assessment](https://alpine-pv.ch/wiki/planning/site-assessment/)
- [Energy yield / Winter yield](https://alpine-pv.ch/wiki/planning/energy-yield-winter-yield/)
- [Environmental impact](https://alpine-pv.ch/wiki/planning/environmental-impact/)
- [Legal aspects](https://alpine-pv.ch/wiki/planning/legal-aspects/)
- [Software](https://alpine-pv.ch/wiki/planning/software/)
- [Monitoring & Data evaluation](https://alpine-pv.ch/wiki/operation-maintenance/monitoring-data-evaluation/)
- [Outdoor measurement](https://alpine-pv.ch/wiki/operation-maintenance/outdoor-measurement/)
- [Cleaning of systems](https://alpine-pv.ch/wiki/operation-maintenance/cleaning-of-systems/)
- [Research](https://alpine-pv.ch/wiki/projects/)
- [Projects outside Switzerland](https://alpine-pv.ch/wiki/projects/additional-projects/)
- [Research projects](https://alpine-pv.ch/wiki/projects/research-projects/)
- [Alpine environment and its impact on modules](https://alpine-pv.ch/wiki/products/module/alpine-environment-and-its-impact-on-modules/)
- [Module design aspects](https://alpine-pv.ch/wiki/products/module/module-design-aspects/)
- [Further Information](https://alpine-pv.ch/wiki/further-informations/)
- [Online Workshop «Technical Requirements of Components for Alpine PV Systems»](https://alpine-pv.ch/wiki/online-workshop/)
- [Typical Module Damages](https://alpine-pv.ch/wiki/products/module/typical-module-damages/)
- [Irradiation](https://alpine-pv.ch/wiki/planning/irradiation/)
- [Module testing](https://alpine-pv.ch/wiki/products/module/module-testing/)