TransAlta - Stock Price History | TAC

Historical daily share price chart and data for TransAlta since 2022 adjusted for splits. The latest closing stock price for TransAlta as of December 01, 2022 is 9.51.
  • The all-time high TransAlta stock closing price was 19.68 on July 21, 2008.
  • The TransAlta 52-week high stock price is 12.13, which is 27.5% above the current share price.
  • The TransAlta 52-week low stock price is 7.55, which is 20.6% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 10.26.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
TransAlta Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2021 9.6394 7.4226 11.3648 7.4226 10.9460 48.83%
2020 6.1065 6.6726 8.0794 3.6274 7.3547 8.07%
2019 5.9534 3.9001 7.0233 3.9001 6.8057 77.04%
2018 4.9616 5.4278 5.4915 3.8255 3.8441 -29.18%
2017 5.2879 4.9113 5.9133 4.5799 5.4278 10.52%
2016 4.0576 3.0471 5.0899 2.2636 4.9113 59.36%
2015 5.7257 7.2615 8.2876 2.6118 3.0819 -57.28%
2014 8.7223 9.5102 10.2545 6.6883 7.2138 -24.33%
2013 9.9440 10.5524 11.5655 8.7464 9.5327 -8.00%
2012 11.1067 13.4220 13.5751 9.4846 10.3620 -20.81%
2011 13.2328 12.8865 14.4289 12.1777 13.0857 2.55%
2010 12.2265 12.8625 13.1873 10.8288 12.7602 0.54%
2009 10.3163 11.1486 12.8568 7.6537 12.6915 17.65%
2008 15.7964 17.6539 19.6847 8.7482 10.7874 -38.42%
2007 13.8650 11.6455 19.0825 10.2581 17.5178 52.34%
2006 10.4164 11.1057 11.6253 9.2080 11.4990 8.66%
2005 8.2943 6.9864 10.9603 6.7493 10.5822 51.47%
2004 5.8850 6.1745 7.0095 5.2268 6.9864 14.90%
2003 5.3591 4.5219 6.1702 4.2952 6.0804 37.80%
2002 5.0198 5.1131 5.8684 4.2884 4.4126 -15.52%
2001 5.4902 5.9795 6.1544 4.9229 5.2232 0.00%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $2.523B $2.171B
TransAlta is Canada's largest non-regulated electric generation and marketing company.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $168.313B 30.14
Duke Energy (DUK) United States $76.952B 19.37
Southern (SO) United States $73.638B 18.23
Dominion Energy (D) United States $50.921B 15.43
National Grid Transco (NGG) United Kingdom $48.098B 0.00
Pacific Gas & Electric (PCG) United States $38.707B 14.02
Consolidated Edison Inc (ED) United States $34.791B 20.68
WEC Energy (WEC) United States $31.272B 22.69
Public Service Enterprise Group (PEG) United States $30.211B 17.20
Eversource Energy (ES) United States $28.861B 20.31
Edison (EIX) United States $25.456B 14.34
Entergy (ETR) United States $23.659B 17.35
FirstEnergy (FE) United States $23.579B 16.97
Ameren (AEE) United States $23.091B 22.39
DTE Energy (DTE) United States $22.476B 19.86
PPL (PPL) United States $21.736B 22.03
CenterPoint Energy (CNP) United States $19.585B 21.31
Fortis (FTS) Canada $19.352B 19.19
AES (AES) United States $19.317B 17.74
CMS Energy (CMS) United States $17.726B 22.13
Avangrid (AGR) United States $16.536B 18.05
Eletrobras (EBR.B) Brazil $14.811B 0.00
Centrais El¿tricas Brasileiras SA (EBR) Brazil $14.058B 0.00
NiSource (NI) United States $11.347B 20.54
Korea Electric Power (KEP) South Korea $10.374B 0.00
NRG Energy (NRG) United States $9.780B 0.00
Vistra (VST) United States $9.682B 5.55
Pinnacle West Capital (PNW) United States $8.861B 16.59
OGE Energy (OGE) United States $8.100B 12.15
Brookfield Renewable Partners (BEP) Bermuda $7.788B 0.00
IDACORP (IDA) United States $5.589B 22.42
Algonquin Power & Utilities (AQN) Canada $5.118B 10.94
Comp En De Mn Cemig ADS (CIG) Brazil $4.821B 10.02
Black Hills (BKH) United States $4.662B 17.95
Hawaiian Electric Industries (HE) United States $4.497B 18.84
Portland General Electric (POR) United States $4.395B 17.77
PNM Resources (PNM) United States $4.206B 17.88
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $4.138B 31.50
Allete (ALE) United States $3.784B 17.99
Avista (AVA) United States $3.045B 23.19
Enersis Chile S.A (ENIC) Chile $3.016B 14.53
Kenon Holdings (KEN) Singapore $1.935B 1.25
Pampa Energia S.A (PAM) Argentina $1.586B 4.14
Unitil (UTL) United States $0.879B 21.00
Genie Energy (GNE) United States $0.258B 3.40
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $0.000B 0.00