TransAlta - 15 Year Stock Price History | TAC
Historical daily share price chart and data for TransAlta since 2011 adjusted for splits and dividends. The latest closing stock price for TransAlta as of June 09, 2026 is 12.46.
- The all-time high TransAlta stock closing price was 17.54 on October 29, 2025.
- The TransAlta 52-week high stock price is 17.88, which is 43.5% above the current share price.
- The TransAlta 52-week low stock price is 10.28, which is 17.5% below the current share price.
- The average TransAlta stock price for the last 52 weeks is 13.20.
| TransAlta Historical Annual Stock Price Data | ||||||
|---|---|---|---|---|---|---|
| Year | Average Stock Price | Year Open | Year High | Year Low | Year Close | Annual % Change |
| 2026 | 12.9212 | 12.9253 | 14.4600 | 11.7376 | 12.4600 | -0.70% |
| 2025 | 11.8148 | 13.7568 | 17.5448 | 8.0057 | 12.5481 | -9.24% |
| 2024 | 8.1727 | 7.9092 | 14.0011 | 5.8328 | 13.8252 | 73.96% |
| 2023 | 8.5171 | 8.3572 | 9.8364 | 6.9660 | 7.9475 | -5.64% |
| 2022 | 9.4348 | 10.8394 | 10.9295 | 7.2818 | 8.4229 | -18.03% |
| 2021 | 9.0497 | 6.9690 | 10.6696 | 6.9690 | 10.2757 | 48.81% |
| 2020 | 5.7334 | 6.2655 | 7.5864 | 3.4056 | 6.9053 | 8.06% |
| 2019 | 5.5899 | 3.6621 | 6.5933 | 3.6621 | 6.3904 | 77.04% |
| 2018 | 4.6586 | 5.0953 | 5.1560 | 3.5920 | 3.6095 | -29.16% |
| 2017 | 4.9636 | 4.6094 | 5.5506 | 4.2987 | 5.0953 | 10.54% |
| 2016 | 3.8080 | 2.8593 | 4.7771 | 2.1240 | 4.6094 | 59.39% |
| 2015 | 5.3691 | 6.8102 | 7.7698 | 2.4508 | 2.8919 | -57.25% |
| 2014 | 8.1784 | 8.9157 | 9.6134 | 6.2726 | 6.7654 | -24.30% |
| 2013 | 9.5103 | 10.1142 | 11.0852 | 8.3797 | 8.9368 | -10.02% |
| 2012 | 10.6502 | 12.8735 | 13.0210 | 9.0921 | 9.9317 | -20.87% |
| Sector | Industry | Market Cap | Revenue |
|---|---|---|---|
| Utilities | Utility - Electric Power Distribution | $4.161B | $1.721B |
| TransAlta is Canada's largest non-regulated electric generation and marketing company. | |||
| Stock Name | Country | Market Cap | PE Ratio |
|---|---|---|---|
| NextEra Energy (NEE) | United States | $196.185B | 25.36 |
| Iberdrola S.A (IBDRY) | Spain | $161.115B | 22.76 |
| Enel SpA (ENLAY) | Italy | $117.323B | 17.22 |
| Southern (SO) | United States | $109.616B | 22.65 |
| Duke Energy (DUK) | United States | $102.548B | 20.85 |
| ENGIE - (ENGIY) | France | $87.078B | 0.00 |
| American Electric Power (AEP) | United States | $74.088B | 22.87 |
| E.ON SE (EONGY) | Germany | $60.416B | 17.92 |
| Dominion Energy (D) | United States | $56.456B | 18.78 |
| Entergy (ETR) | United States | $53.320B | 29.79 |
| Vistra (VST) | United States | $52.384B | 28.65 |
| Xcel Energy (XEL) | United States | $51.418B | 21.74 |
| RWE AG (RWEOY) | Germany | $50.325B | 24.67 |
| Exelon (EXC) | United States | $49.696B | 17.60 |
| Consolidated Edison Inc (ED) | United States | $41.838B | 19.89 |
| Public Service Enterprise Group (PEG) | United States | $41.460B | 20.53 |
| Pacific Gas & Electric (PCG) | United States | $40.750B | 12.36 |
| WEC Energy (WEC) | United States | $38.283B | 22.26 |
| NRG Energy (NRG) | United States | $35.202B | 20.31 |
| Ameren (AEE) | United States | $31.386B | 22.56 |
| DTE Energy (DTE) | United States | $31.138B | 20.34 |
| PPL (PPL) | United States | $29.823B | 21.91 |
| FirstEnergy (FE) | United States | $29.747B | 20.17 |
| Fortis (FTS) | Canada | $29.326B | 23.13 |
| AXIA Energia (AXIA) | Brazil | $29.326B | 19.74 |
| Edison (EIX) | United States | $29.145B | 11.56 |
| CenterPoint Energy (CNP) | United States | $28.384B | 24.51 |
| Eversource Energy (ES) | United States | $26.298B | 14.67 |
| Hydro One (HRNNF) | Canada | $25.785B | 0.00 |
| CMS Energy (CMS) | United States | $24.449B | 21.99 |
| Terna Rete Elettrica Nazionale SpA (TEZNY) | Italy | $24.308B | 0.00 |
| CLP Holdings (CLPHY) | Hong Kong, SAR China | $24.304B | 0.00 |
| NiSource (NI) | United States | $23.033B | 25.29 |
| Evergy (EVRG) | United States | $19.247B | 21.94 |
| Korea Electric Power (KEP) | South Korea | $19.002B | 3.15 |
| Alliant Energy (LNT) | United States | $18.880B | 22.63 |
| Power Assets Holdings (HGKGY) | Hong Kong, SAR China | $17.467B | 0.00 |
| United Utilities Group (UUGRY) | United Kingdom | $12.792B | 0.00 |
| Pinnacle West Capital (PNW) | United States | $12.537B | 20.47 |
| China Resources Power Holdings (CRPJY) | Hong Kong, SAR China | $12.216B | 0.00 |
| Brookfield Renewable Partners (BEP) | Bermuda | $10.512B | 0.00 |
| AES (AES) | United States | $10.261B | 6.15 |
| OGE Energy (OGE) | United States | $10.205B | 21.41 |
| Companhia Paranaense De Energia - Copel (ELPC) | $9.929B | 28.38 | |
| ENGIE BRASL EGA (EGIEY) | Brazil | $8.282B | 17.20 |
| IDACORP (IDA) | United States | $8.108B | 25.00 |
| Comp En De Mn Cemig ADS (CIG) | Brazil | $7.813B | 0.00 |
| Portland General Electric (POR) | United States | $6.215B | 17.66 |
| Enel Chile S.A (ENIC) | Chile | $6.128B | 11.07 |
| Black Hills (BKH) | United States | $5.613B | 17.96 |
| Companhia Paranaense De Energia (COPEL) (ELP) | Brazil | $5.520B | 84.27 |
| Algonquin Power & Utilities (AQN) | Canada | $4.912B | 19.36 |
| Pampa Energia S.A (PAM) | Argentina | $4.748B | 12.60 |
| Kenon Holdings (KEN) | Singapore | $4.594B | 0.00 |
| NorthWestern (NWE) | United States | $4.342B | 19.72 |
| Allete (ALE) | United States | $3.945B | 23.02 |
| Otter Tail (OTTR) | United States | $3.788B | 13.76 |
| Avista (AVA) | United States | $3.456B | 17.52 |
| Centuri Holdings (CTRI) | United States | $3.397B | 93.58 |
| MGE Energy (MGEE) | United States | $2.968B | 21.71 |
| Hawaiian Electric Industries (HE) | United States | $2.710B | 18.26 |
| Empresa Distribuidora Y Comercializadora Norte S.A (Edenor) (EDN) | Argentina | $1.307B | 6.74 |
| Unitil (UTL) | United States | $0.982B | 17.11 |
| Ballard Power Systems (BLDP) | Canada | $0.847B | 0.00 |
| Genie Energy (GNE) | United States | $0.381B | 0.00 |
| Polar Power (POLA) | United States | $0.005B | 0.00 |
| Great Plains Energy Inc (GXP) | United States | $0.000B | 0.00 |
| Eletrobras (EBR.B) | Brazil | $0.000B | 0.00 |