If you're interested in seeing just how volatile the energy markets can be, I recommend checking out http://www.wattclarity.com.au/ http://www.wattclarity.com.a

If you're interested in seeing just how volatile the energy markets can be, I recommend checking out http://www.wattclarity.com.au/ http://www.wattclarity.com.au/ They have a program that allows wholesale purchasers of electricity in Australia track the real time prices (which can change by $000s in minutes); when there's an interesting spike, they blog about it with some screenshots. Last week prices in one State (NSW) momentarily hit $10,000/MWh while nearby Queensland was steady at $9 (0.09% of the price).