Concrete is becoming a relevant part on the Offshore LCOE cost reduction. See:
Renews.biz, June 22 2016
Cleantechnica.com, June 23 2016
“Siemens aims for €0.08/kWh: Next generation turbines and foundations key to cutting costs offshore” (ReNews),(CleanTechnica) …and concrete is going to take a relevant part too (HWS).