Wasphead in action

             This show the Wasphead island complex in the full range of its capacities.

The silos at the margins of the island are dual purpose. The lower half houses a large partially submerged drum turbine - that is it's a drum with turbine blades on it's perimeter. It is located on a central spindle such that it can rotate in the tide and simultaneously lift and sink from the action of the waves. Both the rotating and lifting actions activate pumps which deliver sea water to the  adjacent silos inwards of this marginal silo. This thus contributes to the general water head and thus to action of the central hydro-electric generator.
It is worth mentioning that the used water or overspill from the central generator is higher than the sea level and thus contributes to the tidal effect on the drum turbine.
The top half of this marginal silo is storage for fresh water or at least potable water draining from over the slats of photo electric cells. All this silo storage is interconnected and can be drained or pumped to shore or to awaiting tankers for delivery to shore.