Voltiris develops solar modules for greenhouses, which can produce electricity without affecting crop yield underneath the panels. The company’s patent-pending technology uses a system of dichroic mirrors that lets light components needed for photosynthesis pass through while using the unused portion of the spectrum to generate energy by directing it towards photovoltaic (PV) cells. According to Voltiris, its spectrum filtering system does not hinder crop yield while delivering peak power at 65% of traditional solar cells.
Voltiris’ tech is claimed to be highly modular and offers multiple setups compatible with most greenhouse configurations. Users can pay upfront and own the modules directly or buy back the energy produced at a fixed price over a set period and become owners of the modules at the end of the period.
As of January 2024, Voltiris had carried out 12 pilot projects on crops such as tomatoes, cucumbers, peppers, and basil. These have taken place in Switzerland, the Netherlands, France, Spain and the US. Looking forward, the company aims to scale its projects to hectare level.
Key customers and partnerships
In March 2021, Voltiris began an agronomical study at Agroscope in partnership with InnoSuisse. In February 2023, Voltiris commenced a one year agronomical study with the University of Wageningen. In May 2023, Voltiris partnered with Royal Van Zanten to test the use of agrisolar panels with Alstroemeria crops in the Netherlands. In November 2023, the company scaled up its Serre des Marais project in partnership with Romande Energie.
Funding and financials
The company's most recent funding round was in October 2023, when the company received USD 98,609 in grant funding from Biopôle. Prior to this, in December 2022, the company raised CHF 1.4 million (~USD 1.6 million) in a pre-seed funding round, with investments coming in from Serpentine Ventures, Business Angels Switzerland, SICTIC, the Swiss Climate Foundation, and the Fondation pour l’Innovation et la Technologie (FIT). The funding was directed toward commercial pilots in order to expedite the development and commercialization of its solar technology.
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