Investing for the next generation

Sundust specializes in the financing and operation of renewable energy and energy efficiency projects, helping companies transition to CO2-neutral and efficient energy supply.

Become a contractor partner

For contractors

Work with Sundust to offer your customers installations without financing costs.

Power Purchase Agreements

Are your customers interested in PPAs? Offer attractive energy prices instead of high investment costs.

Project financing

Do you operate your own plants? We support operators with services and customized project financing.

Become a partner

Increase your sales and receive payments faster by offering contracting and financing options for your projects.

Partnership request

For companies

We help businesses transition to carbon-neutral energy supply and reduce electricity costs by taking over the financing and operation of customized facilities at your location. We assume the operational and financial risks and offer a comprehensive package with ecological and economic added value. Installation is carried out by companies of your choice or by partner companies of Sundust.

Contribution to the energy revolution

Utilize renewable energy and energy efficiency measures to make your business more sustainable.

Lower electricity costs

Benefit from stable and predictable electricity costs below market price.

All-round carefree

We take care of everything - from planning, financing, and installation to maintenance and operation.

Request an offer

Solar energy: Investment with a future

Through close cooperation with installation companies, detailed risk assessment, legal protection and the development of a diversified portfolio, we realize stable returns for investors with a long-term and sustainable investment focus.

Impact Investment

Sundust manages equity and credit investments that generate measurable CO2 savings in addition to financial returns.

Stable returns

Our investments are characterized by stable long-term returns and low correlation with stock market movements.

Investing in the future

We are proud to contribute to the development of sustainable energy generation together with our investors and partners.

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July 3rd 2024

New office at Switzerland Innovation Park Central, Rotkreuz

We are pleased to announce Sundust's new office location at Switzerland Innovation Park Central in Rotkreuz. The Innovation Park focuses on the building and energy sector and offers a unique ecosystem for companies, universities and startups.

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April 18th, 2024

Close collaboration with solar companies

Sundust works closely with solar companies to offer project financing and PPAs for their customers. The PV installation realized with Solstis and Romande Energie for Brasserie Docteur Gab's is an example of such collaboration.

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December 22nd, 2023

Solar capacity expansion of 1.06 MWp

In 2023, Sundust increased its installed photovoltaic capacity by connecting new installations of 1.06 MWp to the grid.

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more articles


Solarplant on institution in Winterthur (63 kWp)
Solarville and Sundust have completed the realisation of a photovoltaic system for the SOMOSA model ward in Winterthur. The system with a nominal output of 63 kWp was planned by solar company Solarville and installed on the roof of the socio-educational home and adolescent psychiatric clinic.
Solarplant with ZEV on brewery in Puidoux (317 kWp)
In 2018, Sundust installed a 115 kWp PV system in western Switzerland in collaboration with Solstis. This supplies the Dr Gab's brewery in Puidoux with solar power. As brewing beer is an energy-intensive process, a large proportion of the solar power can be consumed locally. In 2023, Sundust installed an additional 202 kWp, thus utilising the entire roof area.

About us

Sundust was founded in 2017 with the aim of contributing to the development of ecologically sustainable energy generation. We help commercial real estate owners, businesses and contractors in implementing renewable energy generation and energy efficiency systems by offering long-term and innovative financing solutions and, if needed, by taking over the operation of the systems.

Sundust is a member of SWISSOLAR.


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Gero Träm
Solar business development
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