TransAlta - Stock Price History | TAC

Historical daily share price chart and data for TransAlta since 2021 adjusted for splits. The latest closing stock price for TransAlta as of January 21, 2021 is 8.84.
  • The all-time high TransAlta stock closing price was 37.06 on July 21, 2008.
  • The TransAlta 52-week high stock price is 8.88, which is 0.5% above the current share price.
  • The TransAlta 52-week low stock price is 3.63, which is 58.9% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 6.43.
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
2020 6.3674 7.0200 8.5000 3.8000 7.5900 6.01%
2019 6.3231 4.1800 7.4900 4.1800 7.1600 73.79%
2018 5.3824 5.9500 5.9500 4.1000 4.1200 -30.76%
2017 5.8607 5.5000 6.5500 5.1000 5.9500 8.18%
2016 4.6009 3.5000 5.7000 2.6000 5.5000 55.37%
2015 6.9951 9.1200 10.2500 3.0000 3.5400 -60.93%
2014 11.3154 12.6500 13.6400 8.4000 9.0600 -28.55%
2013 14.0952 15.5200 17.0100 12.3900 12.6800 -16.80%
2012 17.0173 21.1500 21.1500 14.2200 15.2400 -26.09%
2011 21.4415 21.4200 23.0400 19.6700 20.6200 -2.78%
2010 20.9172 22.5700 23.1400 18.5000 21.2100 -4.76%
2009 18.6097 20.6800 22.5600 14.0000 22.2700 11.29%
2008 29.8505 33.7400 37.0600 16.4700 20.0100 -40.23%
2007 26.9253 23.0600 36.7500 20.1000 33.4800 47.04%
2006 21.0704 22.9100 23.0200 18.8000 22.7700 4.31%
2005 17.4829 15.1100 22.6100 14.4000 21.8300 44.47%
2004 13.2250 14.4400 15.2900 11.6600 15.1100 6.26%
2003 12.8675 11.1700 14.5600 10.6100 14.2200 30.46%
2002 12.9226 13.4600 15.2700 10.8200 10.9000 -20.73%
2001 14.6089 16.0700 16.5400 13.1000 13.7500 0.00%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $2.351B $1.769B
TransAlta is Canada's largest non-regulated electric generation and marketing company.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $162.231B 36.44
Enel SpA (ENLAY) Italy $105.937B 22.17
Iberdrola S.A (IBDRY) Spain $91.330B 25.01
Duke Energy (DUK) United States $66.516B 18.08
Southern (SO) United States $64.487B 20.02
Dominion Energy (D) United States $57.891B 17.02
Electricite De France SA (ECIFY) France $46.089B 0.00
National Grid Transco (NGG) United Kingdom $45.197B 0.00
Exelon (EXC) United States $41.774B 13.02
American Electric Power (AEP) United States $40.063B 19.35
GDF Suez SA (ENGIY) France $39.939B 0.00
Xcel Energy (XEL) United States $34.002B 23.11
Eversource Energy (ES) United States $29.874B 24.55
Public Service Enterprise Group (PEG) United States $29.430B 17.01
RWE AG (RWEOY) Germany $27.916B 0.00
WEC Energy (WEC) United States $27.717B 23.12
Energias De Portugal (EDPFY) Portugal $25.717B 39.27
Pacific Gas & Electric (PCG) United States $23.874B 4.27
CLP Holdings (CLPHY) Hong Kong, SAR China $23.698B 0.00
DTE Energy (DTE) United States $23.288B 16.91
Consolidated Edison Inc (ED) United States $23.270B 16.23
Edison (EIX) United States $23.040B 14.19
E.ON SE (EONGY) Germany $23.014B 0.00
PPL (PPL) United States $21.635B 11.87
Fortis (FTS) Canada $19.147B 22.05
Entergy (ETR) United States $19.046B 16.90
AES (AES) United States $18.664B 21.42
Ameren (AEE) United States $18.044B 21.34
FirstEnergy (FE) United States $16.880B 11.87
CMS Energy (CMS) United States $16.679B 20.80
Brookfield Infrastructure Partners LP (BIP) Bermuda $15.677B 0.00
Tenaga Nasional Berhad (TNABY) $14.626B 20.20
Korea Electric Power (KEP) South Korea $14.534B 226.40
Avangrid (AGR) United States $14.054B 21.22
Brookfield Renewable Partners (BEP) Bermuda $12.879B 0.00
Alliant Energy (LNT) United States $12.396B 18.80
CenterPoint Energy (CNP) United States $11.817B 14.46
Power Assets Holdings (HGKGY) Hong Kong, SAR China $11.674B 0.00
Vistra Energy (VST) United States $10.619B 10.05
NRG Energy (NRG) United States $10.069B 12.20
Algonquin Power & Utilities (AQN) Canada $10.060B 26.75
Pinnacle West Capital (PNW) United States $8.783B 13.88
United Utilities Group (UUGRY) United Kingdom $8.686B 0.00
NiSource (NI) United States $8.607B 15.71
Eletrobras (EBR.B) Brazil $8.467B 0.00
Centrais El¿tricas Brasileiras SA (EBR) Brazil $8.386B 0.00
ENGIE BRASL EGA (EGIEY) Brazil $7.001B 11.75
OGE Energy (OGE) United States $6.219B 15.86
Huaneng Power (HNP) China $6.154B 11.70
Enersis Chile S.A (ENIC) Chile $5.699B 10.84
China Resources Power Holdings (CRPJY) Hong Kong, SAR China $5.484B 0.00
EVN AG (EVNVY) Austria $4.591B 21.27
IDACORP (IDA) United States $4.515B 18.33
Atlantica Yield (AY) United Kingdom $4.478B 74.69
PNM Resources (PNM) United States $4.172B 20.17
Innergex Renewable Energy (INGXF) Canada $4.151B 0.00
Comp En De Mn Cemig ADS (CIG) Brazil $4.070B 0.00
Black Hills (BKH) United States $3.827B 16.80
Portland General Electric (POR) United States $3.801B 14.54
Hawaiian Electric Industries (HE) United States $3.736B 18.11
Companhia Paranaense De Energia (ELPVY) Brazil $3.640B 5.38
Allete (ALE) United States $3.578B 20.43
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $3.325B 4.92
NorthWestern (NWE) United States $2.899B 17.58
Avista (AVA) United States $2.666B 21.43
MGE Energy (MGEE) United States $2.397B 25.10
Datang Power Generation (DIPGY) China $2.332B 28.00
Otter Tail (OTTR) United States $1.693B 17.17
Kenon Holdings (KEN) Singapore $1.532B 0.00
AO Mosenergo (AOMOY) Russia $1.378B 24.86
Pampa Energia S.A (PAM) Argentina $0.757B 7.69
Unitil (UTL) United States $0.637B 21.02
Spark Energy (SPKE) United States $0.391B 10.33
Ellomay Capital (ELLO) Israel $0.390B 35.42
Atlantic Power (AT) United States $0.264B 98.67
Genie Energy (GNE) United States $0.208B 15.86
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $0.167B 0.00
Polar Power (POLA) United States $0.162B 0.00