The loss from continuing operations was $US3.41 a share, compared with net income of $US286 million, or 85c per share in the corresponding period last year, the company said in a statement. Revenue fell 25% to $US1.71 billion from $US2.3 billion.

Dynegy put the loss down to the $US1.75 billion in expenses, including a $US908 million bill to quit trading and to write down the value of power plants amid a decline in electricity prices.