Why would we be surprised at $Billions being ripped of power consumers by Wall Street insiders – “Wall Street On Parade” reports JPMorgan Rushed to Hire Trader Who Suggested on His Resume That He Knew How to Game Electric Markets – Note that this ripping off of electricity consumers was only detected during other Senate investigations.
This is one of the reasons many sceptics oppose carbon pricing in its various forms – that it will inevitably lead to sharp practices, illegalities and rorting of the system at the expense of mug taxpayers.