Don’t two of those say it is immoral to charge interest?

One way or another you need grid-scale turbines to maintain grid frequency. Solar power can’t set frequency and wind power is too variable, so power grids use some sort of turbine to do it.

Nuclear reactors are also necessary to generate things like medical isotopes and tritium for industrial processes, and fusion research. Someone, somewhere on Earth needs to keep their fission reactors going.

Just about every major advance in technology like this enhanced the power of the capitalists who owned it and took power away from the workers who were displaced.