CALGARY, Alberta (AP) _ TransAlta Corp. (TAC) on Tuesday reported third-quarter earnings of $55.2 million.

The Calgary, Alberta-based company said it had profit of 17 cents per share.

The results missed Wall Street expectations. The average estimate of three analysts surveyed by Zacks Investment Research was for earnings of 24 cents per share.

The power generation and marketing company posted revenue of $712.2 million in the period.

This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on TAC at https://www.zacks.com/ap/TAC

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