The margin calls are estimated to be over $1.5 trillion. This is causing energy prices to soar even higher. The energy companies may be 'too big to fail' because winter will bring real consequences: people will die if there is no fuel to heat their homes. The importance of a balanced mix, with nuclear, hydro, gas and renewables is more evident every day.

Summary by JW Williams

Energy companies that hedge their sales in futures markets are facing margin calls as increasing energy prices have sent collateral requirements soaring. The margin calls are estimated to be over $1.5 trillion. This is causing energy prices to soar even higher.