CALGARY, Alberta, May 07, 2025 (GLOBE NEWSWIRE) -- TransAlta Corporation (TransAlta or the Company) (TSX: TA) (NYSE: TAC) today reported its financial results for the first quarter ended March 31, 2025. "Our business delivered strong operational performance across the fleet during the first quarter. While the Company's merchant portfolio in Alberta was partially impacted by softer power prices, our hedging strategy and active asset optimization continued to generate realized prices well above spot prices," ...