Each floating windmill would be 70-100 metres high and produce 10-15 megawatts.
Environmentalists are demanding tighter restrictions in the Bay of Soller to protect the ecosystem.
Environmental groups call for global demonstration on Friday.
- Change of location for Palma Christmas ball because it was too big
- From Hollywood to Mallorca love still in the air for Michael Douglas and Catherine Zeta-Jones
- Penguins land in Mallorca
- "It is a grave error not to listen to our foreign residents," said Mayor of Andratx
- Mallorca club owner busted for drug trafficking and possession of prohibited weapons