Steel is incredibly energy intensive. It's not unusual for casting plants to have their own dedicated power stations. Traditionally you'd use coke to melt thing

Steel is incredibly energy intensive. It's not unusual for casting plants to have their own dedicated power stations. Traditionally you'd use coke to melt things (well, smelt iron ore), nowadays with induction/arc furnaces you can in theory use green energy, but it's still a huge amount of power.