TransAlta - 25 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 February 10, 2026 is 13.25.
  • The all-time high TransAlta stock closing price was 18.63 on July 21, 2008.
  • The TransAlta 52-week high stock price is 17.88, which is 34.9% above the current share price.
  • The TransAlta 52-week low stock price is 7.82, which is 41% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 12.03.
TransAlta Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 12.7826 13.0200 13.9400 12.1000 13.2500 4.83%
2025 11.9014 13.8576 17.6733 8.0644 12.6400 -9.24%
2024 8.2326 7.9672 14.1037 5.8755 13.9265 73.96%
2023 8.5795 8.4184 9.9084 7.0170 8.0057 -5.64%
2022 9.5039 10.9188 11.0096 7.3351 8.4846 -18.03%
2021 9.1159 7.0200 10.7478 7.0200 10.3510 48.81%
2020 5.7754 6.3114 7.6420 3.4305 6.9559 8.06%
2019 5.6308 3.6889 6.6416 3.6889 6.4373 77.05%
2018 4.6927 5.1326 5.1937 3.6183 3.6359 -29.16%
2017 5.0000 4.6432 5.5912 4.3301 5.1326 10.54%
2016 3.8359 2.8802 4.8120 2.1396 4.6432 59.39%
2015 5.4084 6.8601 7.8267 2.4687 2.9131 -57.25%
2014 8.2383 8.9810 9.6838 6.3185 6.8149 -24.30%
2013 9.5799 10.1883 11.1664 8.4411 9.0023 -10.02%
2012 10.7282 12.9678 13.1164 9.1587 10.0045 -20.87%
2011 12.7798 12.4397 13.9379 11.7612 12.6429 2.64%
2010 11.7958 12.4106 12.7240 10.4483 12.3178 0.59%
2009 9.9606 10.7587 12.4051 7.3908 12.2456 17.63%
2008 14.9898 16.7085 18.6310 8.3397 10.4101 -37.21%
2007 13.1206 11.0252 18.0578 9.7054 16.5797 52.30%
2006 9.8626 10.5147 11.0060 8.7179 10.8865 8.66%
2005 7.8417 6.5915 10.3770 6.3670 10.0190 52.00%
2004 5.5670 5.8658 6.6133 4.9250 6.5915 14.11%
2003 5.0422 4.2020 5.8617 3.9913 5.7764 40.87%
2002 4.6553 4.7174 5.4141 4.0088 4.1004 -14.91%
Sector Industry Market Cap Revenue
Utilities Utility - Electric Power Distribution $3.786B $2.076B
TransAlta is Canada's largest non-regulated electric generation and marketing company.
Stock Name Country Market Cap PE Ratio
NextEra Energy (NEE) United States $179.792B 23.27
Iberdrola S.A (IBDRY) Spain $149.927B 24.86
Southern (SO) United States $97.106B 20.80
Duke Energy (DUK) United States $92.923B 18.44
ENGIE - (ENGIY) France $71.987B 0.00
American Electric Power (AEP) United States $63.199B 19.69
Vistra (VST) United States $52.267B 35.38
Dominion Energy (D) United States $51.266B 18.08
Exelon (EXC) United States $44.362B 15.63
Xcel Energy (XEL) United States $44.070B 20.47
Entergy (ETR) United States $42.646B 23.52
Public Service Enterprise Group (PEG) United States $40.087B 19.26
Consolidated Edison Inc (ED) United States $38.050B 18.18
WEC Energy (WEC) United States $35.730B 20.76
Pacific Gas & Electric (PCG) United States $33.144B 10.40
NRG Energy (NRG) United States $28.575B 17.40
Ameren (AEE) United States $27.699B 20.40
DTE Energy (DTE) United States $27.607B 18.41
FirstEnergy (FE) United States $27.145B 17.47
Fortis (FTS) Canada $26.742B 21.69
PPL (PPL) United States $26.497B 20.59
CenterPoint Energy (CNP) United States $25.710B 22.90
Eversource Energy (ES) United States $25.479B 14.57
CLP Holdings (CLPHY) Hong Kong, SAR China $23.976B 0.00
AXIA Energia (AXIA) Brazil $23.857B 16.06
Hydro One (HRNNF) Canada $23.589B 0.00
Edison (EIX) United States $23.376B 10.60
CMS Energy (CMS) United States $21.470B 19.99
NiSource (NI) United States $21.011B 23.42
Evergy (EVRG) United States $17.487B 20.31
Power Assets Holdings (HGKGY) Hong Kong, SAR China $17.177B 0.00
Alliant Energy (LNT) United States $16.737B 19.55
China Resources Power Holdings (CRPJY) Hong Kong, SAR China $12.235B 0.00
Pinnacle West Capital (PNW) United States $10.976B 18.83
AES (AES) United States $10.490B 7.12
Brookfield Renewable Partners (BEP) Bermuda $9.140B 0.00
OGE Energy (OGE) United States $8.679B 17.30
Companhia Paranaense De Energia - Copel (ELPC) $7.458B 20.45
IDACORP (IDA) United States $7.089B 22.54
Portland General Electric (POR) United States $5.637B 17.22
Companhia Paranaense De Energia (COPEL) (ELP) Brazil $5.520B 84.27
Black Hills (BKH) United States $5.279B 17.80
Algonquin Power & Utilities (AQN) Canada $5.002B 19.73
NorthWestern (NWE) United States $4.155B 19.11
Allete (ALE) United States $3.945B 23.02
Kenon Holdings (KEN) Singapore $3.735B 0.00
Otter Tail (OTTR) United States $3.693B 13.29
Avista (AVA) United States $3.370B 17.62
MGE Energy (MGEE) United States $2.888B 21.42
Centuri Holdings (CTRI) United States $2.770B 67.85
Hawaiian Electric Industries (HE) United States $2.622B 18.52
Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) Argentina $1.364B 7.20
Unitil (UTL) United States $0.905B 16.68
Ballard Power Systems (BLDP) Canada $0.695B 0.00
Genie Energy (GNE) United States $0.363B 0.00
Polar Power (POLA) United States $0.004B 0.00
Korea Electric Power (KEP) South Korea $0.000B 4.39
Pampa Energia S.A (PAM) Argentina $0.000B 14.64
Great Plains Energy Inc (GXP) United States $0.000B 0.00
Eletrobras (EBR.B) Brazil $0.000B 0.00
Enel Chile S.A (ENIC) Chile $0.000B 72.33
Comp En De Mn Cemig ADS (CIG) Brazil $0.000B 7.37