Emissions

ESTIMATE

Derived from the Ontario fuel mix · gCO₂/kWh

Carbon intensity (est.)

134 g

gCO₂/kWh

Renewable share

25%

hydro + wind + solar

Non-emitting share

73%

incl. nuclear

Carbon intensity is an estimate derived from the current Ontario fuel mix using standard per-fuel emission factors (gas ≈ 490 gCO₂/kWh; nuclear, hydro, wind, solar, and storage ≈ 0). It is not a metered figure.

Ontario generation mix behind the intensity estimate
Fuel	Output (MW)	Share
Nuclear	8,511	48.1%
Gas	4,858	27.4%
Hydro	3,306	18.7%
Wind	1,036	5.8%
Solar	0	0.0%
Other	0	0.0%