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  3. Solar Design Tools Solar Design Tools

Solar Design Tools

Solar Design Tools provide tools for architects and building owners to design more solar systems on visible pitched roofs and façades in a desired colour and with predictable energy efficiency.

Brief information

School:

Design, Film and Art​

Status:

Ongoing

Period:

01.02.2023 - 30.06.2025

Overview

The implementation of Energy Strategy 2050 will change cityscapes and landscapes. To drive the transformation of the building stock to the necessary extent, we will have to increase the acceptance of solar technology in building renovations, particularly in design and visual aspects. In its 2019 status report on the state of the building stock, the International Energy Agency refers to a "diffusion gap", i.e. the discrepancy between highly developed technology and the low level of implementation (IEA 2019)*. According to the IEA, there is a need for systemic and collaborative innovation and knowledge transfer to contribute to the active dissemination of technologies.  

It is, therefore, essential to exploit as much of the realisable potential of photovoltaics on building envelopes as possible. This includes offices, infrastructure, industrial buildings, and buildings in city centres, often situated in sensitive environments. However, the usual black solar modules rarely fulfil the requirements of townscape or landscape protection. They appear technoid and uniform in shape and colour, creating an unwelcome contrast to their surroundings and are rarely accepted. One way out of this dilemma is translucent ceramic printing on the cover glass of solar modules, which can be colour-matched to the surroundings. However, printing is accompanied by electricity efficiency losses and higher production costs because the current processes for colour determination in the construction process could be more suitable and involve many iteration stages to date. 

The Solar Design Tools project offers a solution to this, as the design strategy of optical colour mixing is promising in the context of ceramic printing on photovoltaic cover glass: a planning and design tool is being developed with which the sampling time can be significantly reduced, and statements can be made about the aesthetics and the expected energy efficiency. As a further design method, modular principles offer customised and time-saving adaptations to existing buildings. Modular, repeatable surface concepts for visible solar installations are being developed with the application partners, allowing them to adapt and implement customised form and colour concepts to the surroundings, optimise them in terms of time and costs and test them for acceptance. Dyeable rock wool insulation materials, combined with solar modules, is also being tested.  

* see also IEA (December 2019): Global Status Report for Buildings and Construction 2019. Towards a zero-emissions, efficient and resilient buildings and construction sector. www.iea.org/reports/global-status-report-for-buildings-and-construction-2019 [accessed January 30, 2023] 

Entwurf für modulare Anwendungen in einer Altstadt-Schutzzone auf Steildach mit bauzeitlichen Ziegeln, 2023, © HSLU CC Produkt und Textil und Plan-E AG
Entwurf für modulare Anwendungen in einer Altstadt-Schutzzone auf Steildach mit bauzeitlichen Ziegeln, 2023, © HSLU CC Produkt und Textil und Plan-E AG
Auswertung Farbbibliothek mit Stakeholdergruppen, 2023, © HSLU, CC Produkt und Textil
Testprints mit 74% relativer Effizienz, 2024, © HSLU, CC Produkt und Textil
Probedrucke für Demowall, 2024, © HSLU, CC Produkt und Textil
Probedrucke für Demowall, 2024, © HSLU, CC Produkt und Textil
Probedrucke für Demowall, 2024, © HSLU, CC Produkt und Textil
Probedrucke für Demowall, 2024, © HSLU, CC Produkt und Textil
Abgleich Farbdrucke mit NCS-Farbfächer, 2024, © HSLU, CC Produkt und Textil
Demowall mit 78 farbigen Photovoltaik-Modulen im Viscosiareal, Emmenbrücke, 2024, © Tim Meier HSLU
Demowall mit 78 farbigen Photovoltaik-Modulen im Viscosiareal, Emmenbrücke, 2024, © Tim Meier HSLU
Forschungsteam bei SUPSI PVLab, Mendrisio, 2023, © HSLU, CC Produkt und Textil
Optische Farbmischung zu Materialfarbigkeit, 2023, © HSLU, CC Produkt und Textil
Probedrucke für Demowall, 2024, © HSLU, CC Produkt und Textil
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Facts

Type of project

Forschung

Internal organisations involved
  • Design, Film and Art​
  • CC Products Textiles
External project partner
  • SUPSI Scuola Universitaria
  • BE Netz AG
  • Sunage AG
  • Hotel Drei Könige
  • Flumroc AG
  • Verkehrshaus der Schweiz
  • Plan-E AG
Funding
  • Innosuisse - HSLU als Hauptforschungspartnerin (Main Research Partner)
  • ITC Raum und Gesellschaft
UN Sustainable Development Goals
Among other things, this project contributes to the attainment of the following UN Sustainable Development Goals (SDGs):
  • SDG 9: Industry, Innovation and Infrastructure
    Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
  • SDG 13: Climate Action
    Take urgent action to combat climate change and its impacts
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Persons involved: internal

Project manager
  • Brigitt Antonia Egloff
Project Co-Head
  • Tina Moor
Member of project team
  • Carola Bachmann Helbling
  • Cornelia Gassler
  • Martina Häusermann
  • Martin Huwiler
  • Isabel Rosa Müggler Zumstein
  • Cajetana Oechslin
  • Florence Schöb
  • Clara Sollberger
  • Andrea Weber-Hansen
  • Benjamin Willi

Brief information

School:

Design, Film and Art​

Status:

Ongoing

Period:

02/01/2023 - 06/30/2025

Project Head

Prof. Brigitt Antonia Egloff

Lecturer

+41 41 248 61 40

Show email

Project Co-Head

Prof. Tina Moor

Lecturer

+41 41 248 61 60

Show email

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info@hslu.ch

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