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Most of the wind farms will take over a decade to pay for themselves and the parts & componentry won't last for that length of time. The only people who win from this are the companies who win the lucrative maintenance contracts.

All of this is a huge fucking con.

We should be nuclear...

If we are taking purely in energy terms, they do pay for themselves.

If we are talking cost, then yes it's possible, but cost shouldn't be the only factor, we should be focussing on clean, safe energy where possible, both fossil fuels and nuclear have issues here.

But also, as demand increases (which it will), and supply of fossil fuels decreases, prices will go up. This will make wind farms (and other renewable energy sources) more economical, over time, and the more money is pumped into it, the longer they will last, further reducing costs.