World Power Plants

Nuclear Power Demonstration19.5 MW Nuclear

NuclearVerified: Feb 2026

Nuclear Power Demonstration is a 19.5 MW nuclear power plant in Canada, operated by Ontario Hydro. Commissioned in 1962, it is one of the few nuclear facilities in the country. Ranked #12 of 12 nuclear plants in Canada, this plant's 19.5 MW accounts for 0.07% of Canada's total nuclear capacity of 28,686 MW. The largest nuclear plant in Canada is Bruce Nuclear Generating Station at 6,478 MW, making this facility 332.5 times smaller. The nearest plant within 50 km is Des-Joachims (429 MW, Hydro). The facility is located in Ontario, approximately 150 km northeast of Ottawa.

Capacity
19.5 MW
Commissioning Year
1971

55 years old

Owner
Ontario Hydro
Location
46.1867°, -77.6578°

Canada, North America

Context & rankings
  • 607. largest of 1,334 plants in Canada
  • #19,981 worldwide by installed capacity
  • #423 of 514 Nuclear plants worldwide
  • 0.01% of the installed capacity of Canada
Age & fleet comparison

55 years in operation

Nuclear fleet average: 38.1 years

Operator portfolio

Ontario Hydro operates 1 plants totalling 20 MW

Regional density

6 plants within 100 km, 768 MW combined

Nearest plant: Des-Joachims (3.1 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 46.186700, -77.657800
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Nuclear Power Demonstration is a nuclear power plant producing approximately 145 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~12 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Nuclear
Energy Source
Non-Renewable
Country
Canada
Continent
North America
Data Source
Global Power Plant Database

CanadaEnergy Profile

1,334
Total Plants
193.2 GW
Total Capacity
HydroGasNuclearWind
Top Fuels

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