Atco acquired the right to purchase the Pioneer Pipeline through an option agreement with TC Energy's Nova Gas Transmission Ltd.

TransAlta earned a profit of $27 million in its latest quarter compared with a loss a year ago, helped by strong earnings from its U.S. coal operations and its wind and solar business.

TransAlta has acquired a cogeneration facility in Michigan from two private companies for approximately US$27 million.

TransAlta and its partner Tidewater Midstream and Infrastructure have signed a deal to sell the Pioneer Pipeline to a subsidiary of TC Energy for $255 million.

On Friday, two major companies, with support from the province, launched a new natural gas pipeline.

TransAlta Corp. says it is partnering with SemCAMS Midstream ULC to build a $105-million power-and-steam cogeneration facility at a natural gas processing plant near Fox Creek in northern Alberta.

All 12 recommended directors were endorsed by shareholders.

The chairman of TransAlta Corp. says a lawsuit launched by an American activist investor on Tuesday is a "frivolous tactic" and the power utility intends to defend itself vigorously.

U.S. activist investors trying to force operational and board of directors changes at TransAlta Corp. are asking regulators to call a hearing into its upcoming annual general meeting.

Power utility TransAlta Corp. thoroughly investigated other options before signing a $750-million investment deal with Brookfield Renewable Partners and there is no reason to seek to cancel it, says CEO Dawn Farrell.