Enron's crime wasn't speculation, it was fraud. By buying low and selling high, the consequence to everyone else is that the price of power is more consistent.

Enron's crime wasn't speculation, it was fraud. By buying low and selling high, the consequence to everyone else is that the price of power is more consistent. The least consistent power producers are some of the greenest, like solar and wind plants. Since this is Australia, I'd hazard a guess that the peaker plants that this is competing against are likely coal. So greener energy and more predictable prices, what's not to like?