Energy in Ontario – by the Numbers

By Erin Polka
Communications Officer
Canadian Nuclear Association

Curious how much nuclear power is being generated in Ontario on any given day? What about any given hour?

If so, you may want to check out the CNA’s new ‘Energy in Ontario’ web app, which shows daily and hourly energy generation by selected fuels – and related lifecycle pollution emissions.

Energy in Ontario - Table 1

Energy in Ontario - Table 2

You can see how much power was generated from nuclear, gas and wind, as well as how many tons of carbon dioxide (CO2), and kilograms of particulate matter (PM), oxides of nitrogen (NOx), and oxides of sulfur (SOx) each source emitted.

A nifty feature also shows you what the environmental impact would have been had a combination of wind and gas replaced the power that nuclear generated. On average, carbon emissions would have been five to eight times higher than what they actually were.

What’s important to note about the CNA’s emission data, and is different from some of the other data out there, is that we’ve considered lifecycle factors, such as construction, transportation, operation and decommissioning. This is why nuclear, for example, appears to be generating emissions on a regular basis.

What’s next?

We’re working on adding all of Ontario’s current fuel types, including hydro, solar, and biofuel, as well as distinguishing between simple and rankine cycle gas.

We’re also developing a historical overview, showing yearly energy output and emissions, by fuel type, dating back to 2008.

All of this information is important in trying to show the effect that nuclear power has in curbing air pollution in Ontario. If not for the significant ramp-up in nuclear output, the province would be facing much more serious health and environmental problems.

Check out the live data on the CNA website, under ‘Resources,’ or click here.

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