$11.79
−2.40%Price chart
Aug 13Aug 18Aug 21Aug 26Aug 31Sep 3Sep 9Sep 14
Key dataSep 14, 2026
Open$11.98
From 52W high−33.50%
Volume1.13M
Market cap$3.73B
P/E (TTM)—
P/S (TTM)2.3x
Div yield1.26%
Key dataSep 14, 2026
Open
$11.98
From 52W high
−33.50%
Volume
1.13M
Market cap
$3.73B
ValuationView details →
P/E (Fwd)
42.5x
EV/EBITDA
12.3x
P/E (TTM)
—
RSI (14)
39.2
MomentumView details →
1D Return
−2.40%
YTD Return
−6.84%
SummaryUpdated Jun 1, 2026
TransAlta Corporation (TSX:TAC) is a Canadian independent power producer founded in 1909 and headquartered in Calgary, Alberta. The company has evolved from a regional utility into a diversified electricity generation company operating across Canada, the United States, and Australia. TransAlta owns and operates a fleet of power generation assets totaling approximately 3,000 megawatts of capacity, spanning hydroelectric, wind, solar, natural gas, and coal-fired facilities. The company has been publicly traded since 2001 and has undergone significant transformation in recent years, transitioning away from coal-fired generation toward cleaner energy sources while maintaining a balanced portfolio approach to power generation.
Similar companies
Latest newsMore news →
Energy Secretary Chris Wright announced a new emergency order to keep the TransAlta-operated coal plant in Centralia, Washington online past its scheduled end-2025 shutdown.18h agoThe U.S. Department of Energy issued an order requiring TransAlta's Centralia Unit 2 in Washington State to remain available for operation for 90 days, until December 12, 2026.1d agoInsider Michael Politeski acquired 10,000 shares of TransAlta at C$17.77 per share on August 4, 2026.34d ago