[cr1895]

Some thoughts:

Yes, the marine environment is harsh. Corrosion is an issue. Maintenance is challenging. But these are not new problems: these are solvable (and solved) engineering challenges. The O&G industry has considerable overlap with offshore wind; foundation design, transportation and installation, etc., all well-understood and in practice for literally decades.

I haven't read the report you cited, but it is already 5 years old (much has changed in the past decade). The wind farm performance degredation they speak of in Denmark and the UK might have a lot to do with outdated technology of these older turbines. The first offshore farm in Denmark was built in 1991. Technologies since even 2010 have greatly improved.