There is no smoke coming out of it anywhere. This is going to be a power plant gaining energy from the fusion power core, which works like this.
This is already better than the power plants used in Red Alert 1, and also produces more power than the tesla reactors, that the Soviets use. However, as it is still early in development, it can't produce more power than the Soviet's superior Nuclear Reactor just yet. And won't do either in the entire world of the awesome game called RA2 or it's FPS version, AR either