| Generation Facilities | Owned | Generation Facilities | Owned | Generation Facilities | Owned |
| Coal-fired plants | 4,092 MW | Gas-fired plants | 1,843 MW | Geothermal plants | 164 MW |
| Coal-fired plants (in development) |
286 MW | Wind-powered plants | 1,064MW | Corporate offices | |
| Hydro plants | 893 MW | Wind-powered plants (in development) | 66 MW | Energy marketing offices | |
| Hydro plants (in development) |
19 MW | Biomass plants | 25 MW |
© 2009 TransAlta.