World Power Plants

Cat Arm127 MW Hydroelectric

HydroRenewable

Cat Arm is a 127 MW hydroelectric power plant located in Newfoundland and Labrador, Canada. The facility is part of the province's renewable energy infrastructure, contributing to the overall hydroelectric capacity in the region. It ranks as the 132nd largest hydro plant in Canada. With 127 MW, it represents 0.12% of Canada's total hydro capacity of 102,715 MW. Canada has 612 hydro plants with a combined capacity of 102,715 MW. Compared to the largest hydro plant, Centrale Robert-Bourassa at 5,616 MW, Cat Arm is approximately one-forty-fourth the size. Hydropower is a major component of Canada's energy mix, providing around 60% of the country's electricity generation. The geography of Newfoundland and Labrador, with its abundant water resources, supports the operation of hydroelectric facilities. The plant is located approximately 50 km from the nearest major city, Corner Brook.

Capacity
127 MW
Commissioning Year
2010

16 years old

Owner
Newfoundland and Labrador Hydro
Location
50.0258°, -56.7650°

Canada, North America

Context & rankings
  • 250. largest of 1,334 plants in Canada
  • #9,070 worldwide by installed capacity
  • #1,978 of 8,493 Hydroelectric plants worldwide
  • 0.07% of the installed capacity of Canada
Age & fleet comparison

16 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Newfoundland and Labrador Hydro operates 10 plants totalling 1,339 MW

Regional density

1 plants within 100 km, 4 MW combined

Nearest plant: Rattle Brook (16.2 km)

Data provenance

Location

Coordinates:: 50.025800, -56.765000
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Cat Arm is a hydro power plant producing approximately 445 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
Energy Source
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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