And then will mothball them all in a few years when they become unable to produce at a competitive cost. They will produce a lot of kWh and displace a lot of C

And then will mothball them all in a few years when they become unable to produce at a competitive cost. They will produce a lot of kWh and displace a lot of CO2 in the meantime. But nowhere near what the same money spent on solar and wind would have.