This one goes in the water.
If it is in the water, it could interact with the ecology and require a maintenance schedule for cleaning, grilles to keep large objects and animals out, and a way to keep plants from clogging it, but what do I know, I guess they have considered all of these needs. Fine with me, good use of 'free'power
Another tidal unit running on air and using wave action was built into a concrete bunker, and as the vaves rose and fell, the hydraulic pressure forced the air through an axial fan, one way then in reverse, generating power. It seemed very noisy, but this annoyance could be solved by locating as many of them as possible adjacent to the sparsely-opulated wealthy people's properties, thereby reducing the number of citizens annoyed in more densely populated sections of coast. (yes it is humor)
