About a week ago, Andrew Montford published a short but interesting piece in Net Zero Watch about the deterioration of wind turbines. Worth a look.
Big wind turbines wearing out faster
Windfarms deteriorate over their lifetimes, and capacity factors fall.
It’s therefore interesting to look at the analysis below. This divides the offshore fleet into cohorts by turbine size and then looks at how the capacity factor for each cohort changes over time. The pattern is striking. Small turbines – the longer traces – start low, but deteriorate slowly, if at all. Then, for each step up of turbine size, you get a higher starting point, but a faster rate of deterioration.