Here's a prototype from 2003 for Enercon's then largest 4.5 MW turbine.

The British Study version

A vacuum is created within the bucket, which sinks itself into the seabed without hammering.  it's been used in offshore oil and gas, and there are several different types under study for varying offshore depths and conditions.  They have won the whale and dolphin "seal" of approval (though have not been tested enough yet for wind use).


"Life shrinks or expands in proportion to one's courage." - Anaïs Nin