| gptkbp:instanceOf | gptkb:public_company 
 | 
                        
                            
                                | gptkbp:assets | CAD 10.2 billion (2022) 
 | 
                        
                            
                                | gptkbp:CEO | gptkb:John_Kousinioris 
 | 
                        
                            
                                | gptkbp:chairman | gptkb:Gordon_Giffin 
 | 
                        
                            
                                | gptkbp:country | gptkb:Canada 
 | 
                        
                            
                                | gptkbp:environmentalImpact | investment in renewables transition from coal to gas
 
 | 
                        
                            
                                | gptkbp:founded | 1911 
 | 
                        
                            
                                | gptkbp:founder | gptkb:William_Maxwell_Aitken 
 | 
                        
                            
                                | gptkbp:headquarters_location | gptkb:Calgary,_Alberta,_Canada 
 | 
                        
                            
                                | gptkbp:industry | gptkb:energy electricity generation
 
 | 
                        
                            
                                | gptkbp:ISIN | CA89346D1078 
 | 
                        
                            
                                | gptkbp:listedOn | gptkb:S&P/TSX_Composite_Index 
 | 
                        
                            
                                | gptkbp:logo | TransAlta logo.svg 
 | 
                        
                            
                                | gptkbp:member | gptkb:Canadian_Electricity_Association 
 | 
                        
                            
                                | gptkbp:netIncome | CAD 684 million (2022) 
 | 
                        
                            
                                | gptkbp:notableProject | gptkb:Summerview_Wind_Farm gptkb:Brazeau_Hydroelectric_Plant
 gptkb:Keephills_Generating_Station
 gptkb:Kent_Hills_Wind_Farm
 gptkb:Sarnia_Regional_Cogeneration_Plant
 gptkb:SunHills_Mining
 
 | 
                        
                            
                                | gptkbp:number_of_power_plants | over 70 
 | 
                        
                            
                                | gptkbp:numberOfEmployees | ~1,500 
 | 
                        
                            
                                | gptkbp:operatesIn | gptkb:Australia gptkb:Canada
 gptkb:United_States
 
 | 
                        
                            
                                | gptkbp:parentCompany | none 
 | 
                        
                            
                                | gptkbp:previousName | gptkb:Calgary_Power_Company,_Limited 
 | 
                        
                            
                                | gptkbp:product | electricity hydroelectric power
 natural gas
 renewable energy
 energy storage
 solar power
 wind power
 
 | 
                        
                            
                                | gptkbp:renamed | gptkb:TransAlta_Corporation 
 | 
                        
                            
                                | gptkbp:revenue | CAD 2.6 billion (2022) 
 | 
                        
                            
                                | gptkbp:stockExchange | gptkb:New_York_Stock_Exchange gptkb:Toronto_Stock_Exchange
 
 | 
                        
                            
                                | gptkbp:stockSymbol | gptkb:TA gptkb:TAC
 
 | 
                        
                            
                                | gptkbp:subsidiary | gptkb:TransAlta_Renewables 
 | 
                        
                            
                                | gptkbp:total_generating_capacity | ~7,500 MW 
 | 
                        
                            
                                | gptkbp:website | https://www.transalta.com/ 
 | 
                        
                            
                                | gptkbp:year_name_changed | 1981 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Richard_F._Haskayne gptkb:Dawn_Farrell
 gptkb:TransAlta_Tri_Leisure_Centre
 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | TransAlta Corporation 
 |