Hydro-Gen (Hydro-Gen) is engaged in generation of power through tidal energy (Ocean waves). Hydro-Gen is a marine current turbine, a kind of marine mill which is a machine powered by marine currents and output electric power which brought onshore to the grid. It is a renewable energy project which is a innovating cost effective. Hydro-Gen uses the old principle of paddle wheels while updating it by cutting edge technologies. The company is the most advanced among the French projects and, the only one to operate a prototype at sea, and the first to have already produced power from marine currents, experimentally. Further, the company is also engaged in a first 1 MW marine current turbine establishment which is entirely an offshore project. The company is headquartered in Landeda, France.