$12.22
−0.57%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$12.24
From 52W high−31.08%
Volume1.05M
Market cap$3.87B
P/E (TTM)—
P/S (TTM)2.4x
Div yield1.22%
Key dataSep 18, 2026
Open
$12.24
From 52W high
−31.08%
Volume
1.05M
Market cap
$3.87B
ValuationView details →
P/E (Fwd)
44.6x
EV/EBITDA
12.6x
P/E (TTM)
—
RSI (14)
49.5
MomentumView details →
1D Return
−0.57%
YTD Return
−3.28%
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.6d 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, 2026.6d agoInsider Michael Politeski acquired 10,000 shares of TransAlta at C$17.77 per share on August 4, 2026.39d ago