Such experience curves reflect the learning in choosing sites for wind power, tailoring the turbines to the site, maintenance, power management, etc, which all are new activities. (thinkprogress.org)
Neij, L., P. Andersen, and M. Durstewitz, 2003b: The use of experience curves for assessing energy policy programmes. (ipcc.ch)
«Use of experience curves to analyse the prospects for diffusion and adoption of renewable energy technology.» (mpra.ub.uni-muenchen.de)