TransAlta - 24 Year Stock Price History | TAC

Historical daily share price chart and data for TransAlta since 2001 adjusted for splits and dividends. The latest closing stock price for TransAlta as of January 17, 2025 is 14.29.
  • The all-time high TransAlta stock closing price was 19.01 on July 21, 2008.
  • The TransAlta 52-week high stock price is 14.64, which is 2.4% above the current share price.
  • The TransAlta 52-week low stock price is 5.94, which is 58.4% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 8.71.
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
2025 13.5991 14.0800 14.2900 12.9600 14.2900 0.99%
2024 8.3714 8.1325 14.3300 5.9976 14.1500 73.16%
2023 8.7572 8.5925 10.1138 7.1626 8.1718 -5.64%
2022 9.7024 11.1478 11.2394 7.4880 8.6601 -18.05%
2021 9.3066 7.1667 10.9724 7.1667 10.5681 48.82%
2020 5.8959 6.4425 7.8007 3.5022 7.1012 8.07%
2019 5.7481 3.7656 6.7812 3.7656 6.5709 77.04%
2018 4.7907 5.2412 5.3025 3.6936 3.7116 -29.18%
2017 5.1065 4.7433 5.7104 4.4229 5.2412 10.50%
2016 3.9188 2.9428 4.9158 2.1861 4.7433 59.36%
2015 5.5301 7.0136 8.0043 2.5224 2.9765 -57.28%
2014 8.4245 9.1848 9.9036 6.4599 6.9675 -24.32%
2013 9.6038 10.1913 11.1698 8.4471 9.2066 -8.00%
2012 10.7267 12.9628 13.1106 9.1601 10.0075 -20.81%
2011 12.7801 12.4456 13.9353 11.7611 12.6380 2.55%
2010 11.8082 12.4224 12.7361 10.4583 12.3236 0.54%
2009 9.9633 10.7671 12.4169 7.3918 12.2573 17.65%
2008 15.2559 17.0499 19.0112 8.4489 10.4183 -38.42%
2007 13.3907 11.2471 18.4296 9.9071 16.9185 52.34%
2006 10.0600 10.7258 11.2275 8.8929 11.1056 8.66%
2005 8.0105 6.7474 10.5853 6.5184 10.2201 51.47%
2004 5.6836 5.9633 6.7697 5.0480 6.7474 14.90%
2003 5.1757 4.3672 5.9591 4.1483 5.8724 37.79%
2002 4.8481 4.9381 5.6676 4.1417 4.2617 -15.52%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $4.251B $2.485B
TransAlta is Canada's largest non-regulated electric generation and marketing company.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $145.511B 20.69
Southern (SO) United States $91.928B 20.02
Iberdrola S.A (IBDRY) Spain $87.254B 12.55
Duke Energy (DUK) United States $84.401B 19.00
National Grid Transco (NGG) United Kingdom $58.173B 0.00
Vistra (VST) United States $58.131B 28.96
American Electric Power (AEP) United States $51.749B 17.37
Dominion Energy (D) United States $46.436B 23.33
Pacific Gas & Electric (PCG) United States $44.486B 11.19
Public Service Enterprise Group (PEG) United States $43.914B 26.08
ENGIE - (ENGIY) France $40.401B 0.00
Exelon (EXC) United States $39.611B 15.96
Xcel Energy (XEL) United States $38.313B 19.06
Entergy (ETR) United States $35.159B 25.19
Consolidated Edison Inc (ED) United States $32.442B 17.28
WEC Energy (WEC) United States $31.329B 21.72
E.ON SE (EONGY) Germany $29.695B 0.00
DTE Energy (DTE) United States $25.610B 16.96
Ameren (AEE) United States $25.137B 21.31
PPL (PPL) United States $24.538B 19.11
Edison (EIX) United States $24.274B 12.20
FirstEnergy (FE) United States $22.989B 15.46
CLP Holdings (CLPHY) Hong Kong, SAR China $21.323B 0.00
CenterPoint Energy (CNP) United States $21.220B 21.14
Eversource Energy (ES) United States $21.204B 12.80
NRG Energy (NRG) United States $21.170B 19.83
Fortis (FTS) Canada $20.946B 18.00
CMS Energy (CMS) United States $20.341B 19.34
NiSource (NI) United States $17.789B 21.29
Tenaga Nasional Berhad (TNABY) $16.306B 0.00
Alliant Energy (LNT) United States $15.537B 21.47
Power Assets Holdings (HGKGY) Hong Kong, SAR China $14.875B 0.00
Evergy (EVRG) United States $14.525B 16.93
Centrais El¿tricas Brasileiras SA (EBR) Brazil $13.324B 0.00
China Resources Power Holdings (CRPJY) Hong Kong, SAR China $11.217B 0.00
Pinnacle West Capital (PNW) United States $9.851B 16.41
OGE Energy (OGE) United States $8.554B 22.06
AES (AES) United States $8.404B 5.09
Brookfield Renewable Partners (BEP) Bermuda $5.892B 0.00
IDACORP (IDA) United States $5.877B 20.47
Companhia Paranaense De Energia - Copel (ELPC) $5.810B 0.00
Comp En De Mn Cemig ADS (CIG) Brazil $4.894B 4.81
Pampa Energia S.A (PAM) Argentina $4.691B 13.23
Portland General Electric (POR) United States $4.410B 12.02
Black Hills (BKH) United States $4.264B 16.02
Enel Chile S.A (ENIC) Chile $3.998B 4.74
Allete (ALE) United States $3.800B 18.62
MGE Energy (MGEE) United States $3.396B 28.68
Algonquin Power & Utilities (AQN) Canada $3.384B 9.38
NorthWestern (NWE) United States $3.335B 14.90
Otter Tail (OTTR) United States $3.322B 10.97
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $3.306B 0.00
Avista (AVA) United States $2.946B 14.82
Centuri Holdings (CTRI) United States $1.935B 0.00
Kenon Holdings (KEN) Singapore $1.798B 30.61
Hawaiian Electric Industries (HE) United States $1.576B 4.99
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $1.495B 6.42
Innergex Renewable Energy (INGXF) Canada $1.156B 0.00
Unitil (UTL) United States $0.888B 18.59
Genie Energy (GNE) United States $0.402B 9.99
Polar Power (POLA) United States $0.008B 0.00
Great Plains Energy Inc (GXP) United States $0.000B 0.00
Korea Electric Power (KEP) South Korea $0.000B 3.31
Eletrobras (EBR.B) Brazil $0.000B 0.00