More power only means they run out of energy quicker :)

Energy is the more informative metric here. You can easily construct a low-energy storage solution that generates huge amounts of power for a very short time.

The power column is only a result of the number of households and outage duration that the plant was designed for.

More power also means higher bids and more frequency control which is very useful too for 1st layer ancillary services.

Energy is good, but power is also very important. You can stabilize the frequency (with active power) and the voltage (with reactive power). Both are traded and needed.