Why do windmills have a lifespan instead of being repairable/upgradeable?
In: Engineering
You could think of them like computers and cars. They are built to be serviceable and repairable. At a certain point though, it costs more to fix them than replace them. If they’re designed right, they live their lives with minimal repair costs and pay for themselves. Once they’ve reached the end of life, they are retired and replaced.
Fortunately all the infrastructure is in place already, so replacement is quicker than original install.
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