Ask E.ON or NGC if they want to take on the job of billing energy users. Watch them squirm at the very idea.
Electricity retail is a highly regulated and also very competitive market. If you think you can make good money at it, do it. Nothing is stopping you. But be warned, the margins are nowhere near as fat as you think.
Comparing consumer prices with Libya, which provides oil basically for free to its power stations *and even then* also subsidises the bills directly, is just stupid.
Biting the hand that feeds IT
