On a small palm tree island, Johnny Cay, in the Caribbean a new Dutch technology to produce with one windmill both water and electricity will be installed.

This Colombian island close to the Colombian tourist island San Andrés receives 350.000 day tourist per year but water has to be transported to the island in bottles and for the restaurants ice blocks have to be brought daily to cool the fish, because there is no fresh water or electricity.

It is a small nature reserve and it was the wish of Coralina, who is responsible for the island, to produce water and electricity fully sustainable.