This is about a coal shipping port. The impacts are weeks removed from actual power plant use. All this does is hurt the bottom line of these fossils fuel companies.

This is their low energy season. It's cool enough to have all the windows open and leave the air controls off, which is the major driver of energy usage and energy interruption related deaths. So they actually picked a good time to do it.

If two people doing little more than breaking a fence and climbing into a machine can seriously damage your nation's essential infrastructure, that's more on the government than on those two people. Any actual sabotage and there might not have been an infrastructure left to save.

The electrical grid should be able to handle any one power plant shutting down unexpectedly. Ideally it should be able to handle severed power lines and multiple simultaneous failures, with emergency generators for anything essential. Not even because of sabotage, just because power plants are complex machines that can just unexpectedly fail.

I think disruption in the temporary justifies the means of stopping the planet from wiping all life out with the exception of the rich of course