Built in Germany, tested in the Baltic 🌊
Field work

Already in the water.

In the water Planned
© OpenStreetMap contributors
Diver connecting the mooring strut to its line in the water, Kiel Green buoy body floating upright, held by a shackle and a mooring line
Installed 14 Mar 2024

First mooring

Kiel, Baltic Sea

Our team connects the mooring strut to its line: the first HYDRA installation.

Underwater: white test plates clipped to a line above a seabed covered in seaweed Hand holding a laser-cut wooden plate with a sponge strip and brown, jelly-like growth on it
2023

Material tests

Kiel, Baltic Sea

Test plates on a line in open water, plus samples in the lab: which materials suit algae cultivation.

Cultivation frame full of sugar kelp, lifted out of the water next to a boat, Kiel Two people on a jetty beside a frame hanging from a rope, covered in kelp
2025

Proof of concept

Kiel, Baltic Sea

Sugar kelp on the frame, lifted out of the water by our team.

Positions are approximate.

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