1. Introduction.- 2. Renewable Energy Wind.- 3. Models, Data and Methodology.- 4. Analysis 01: OWF Effect on the Atmosphere.- 5. Analysis 02: OWF Effect on the Ocean.- 6. Analysis 03: Future Scenario - OWF development within German EEZ.- 7. Summary, Conclusion and Outlook.- 8. Appendix I.- 9. Appendix II.