Thermal Generating Stations
Because they burn fossil fuels, thermal power plants cost more to operate and emit more pollutants in comparison to hydroelectric generating stations.
While these facilities represent only a small portion of Hydro-Québec's overall generating capacity–about 3% in 2002–they play a vital role in meeting Québec's baseload and peak energy requirements. They're also useful in supplying power to remote, off-grid regions such as the Îles-de-la-Madeleine.
The role of thermal generation at Hydro-Québec
Some thermal power stations operate continuously to meet baseload energy needs; for instance, diesel generating stations. Others, such as gas-fired facilities, operate only when demand is high and hydroelectric facilities are working at maximum capacity.
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For more information on how thermal generating stations work
| Name | Type | Installed capacity (MW) | Number of units | Commissioning date | Tours |
|---|---|---|---|---|---|
| Bécancour | Gas-fired turbines | 411 | 4 | 1992– 1993 |
No |
| 24 plants* | Diesel | 130 | n/a | n/a | No |
*Hydro-Québec operates diesel-powered facilities to supply its off-grid systems. The diesel-powered facilities are the responsibility of Hydro-Québec Distribution.
