TransAlta (TSX: TA) reported quarterly earnings of $0.06 per share which beat the analyst consensus estimate of $(0.01) by 700 percent. This is a 40 percent decrease over earnings of $0.10 per share from the same period last year. The company reported $565.000 million in sales this quarter. This is a 25.46 percent decrease over sales of $758.000 million the same period last year.