Co-generation of power and heat. The SunOyster achieves high efficiency from a small area.

The SunOyster is a concentrating solar technology for the co-generation of power and heat. The heat can be economically converted into cold with thermal chillers.

The heart of the SunOyster is a hybrid receiver which is protected by a borosilicate glass tube filled with nitrogen. Inside the tube, special glass lenses concentrate the light a second time to reach 500 times the power of the sun. Highly efficient (44%) solar cells developed for spacecraft convert this directly into electricity. The cells are liquid cooled but remain operational at temperatures up to 170°C.

Because it produces high grade heat (up to 170°C), the SunOyster can supply a broad variety of heat applications: from warm water, room heating, desalination, process heat, ORC machines, high-temperature storage and preheating of steam power plants. In particular, the SunOyster can be used for solar cooling. With this ”Tri-generation“ from electricity over heat to cold the SunOyster can provide the complete energy demand – and this at lower costs than the electricity grid or fossil energies.


The SunOyster tracks the sun automatically all day from East to West. It allows online monitoring of the SunOyster, so that the customer can admire the energy generation via their mobile phone.

In case of storm the SunOyster mirrors close into a secure flat position, like an oyster. This allows to build the system light and cheap and it can be easy installed also on roofs.


In sunny regions the SunOyster shall produce the cheapest solar energy wherever heat or cold are needed.



News 07/2020

Hamburg, 8 July 2020

Webseminar (German) „Trigeneration mit der SunOyster - Strom, Wärme und Kälte von der Sonne"

News 05/2020

Hamburg, 18 May 2020

The SunOyster will be sent to the Cape Verde Islands to produce there the energy for ice production.

News 12/2019

Neu im Tiergarten: Solartechnologie


Nürnberg, 6. Dezember 2019

Tiergartendirektor Dr. Dag Encke begrüßte den innovativen Neuzugang: „Die SunOyster ist die erste Anlage dieser Art in Süddeutschland und passt hervorragend in unsere Strategie CO2-neutraler Tiergarten 2030“.

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