World Power Plants

Mazegawa No.266 MW Hydroelectric

HydroRenewable

Mazegawa No.2 is a 66 MW hydroelectric power plant in Japan, operated by Chubu since its commissioning. Ranked #60 of 90 hydro plants in Japan, it accounts for 0.16% of Japan's total hydro capacity of 40,101 MW. The largest hydro plant in Japan is Okutataragi at 1,932 MW, making Mazegawa No.2 29.2 times smaller. Nearby plants include Mazegawa Daiichi (288 MW, Hydro), Miboro (215 MW, Hydro), and Kani Mill (70 MW, Oil). The facility is located in Gifu Prefecture, approximately 50 km from Nagoya.

Capacity
66 MW
Commissioning Year
1994

32 years old

Owner
Chubu
Location
35.7329°, 137.1396°

Japan, Asia

Context & rankings
  • 250. largest of 662 plants in Japan
  • #11,954 worldwide by installed capacity
  • #2,828 of 8,493 Hydroelectric plants worldwide
  • 0.02% of the installed capacity of Japan
Age & fleet comparison

32 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Chubu operates 18 plants totalling 26,400 MW

Regional density

44 plants within 100 km, 41,260 MW combined

Nearest plant: Kani Mill (36.3 km)

Data provenance

Location

Coordinates:: 35.732900, 137.139600
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Mazegawa No.2 is a hydro power plant producing approximately 231 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
Japan
Continent
Asia
Data Source
Global Power Plant Database

JapanEnergy Profile

662
Total Plants
342.8 GW
Total Capacity
GasNuclearCoalOil
Top Fuels

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