World Power Plants

Hatanagi-I Dam86 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Hatanagi-I Dam is an 86 MW hydroelectric power plant in Japan, operated by Chubu Electric Power and commissioned in 1957. Ranked #56 of 90 hydro plants in Japan, Hatanagi-I Dam's 86 MW represents 0.21% of Japan's total hydro capacity of 40,101 MW. The largest hydro plant in Japan is Okutataragi at 1,932 MW, making Hatanagi-I Dam 22.5 times smaller. Nearby plants within 50 km include Shin Toyone (1,125 MW, Hydro), 佐久間発電所 (350 MW, Hydro), and Sakuma (350 MW, Hydro). The facility is located in Aichi Prefecture, approximately 100 km from Nagoya.

Capacity
86 MW
Commissioning Year
1957

69 years old

Owner
Chubu Electric Power
Location
35.3217°, 138.1833°

Japan, Asia

Context & rankings
  • 240. largest of 662 plants in Japan
  • #10,882 worldwide by installed capacity
  • #2,497 of 8,493 Hydroelectric plants worldwide
  • 0.03% of the installed capacity of Japan
Age & fleet comparison

69 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Chubu Electric Power operates 7 plants totalling 16,543 MW

Regional density

38 plants within 100 km, 14,571 MW combined

Nearest plant: Ikawa (12.7 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 35.321667, 138.183333
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Hatanagi-I Dam is a hydro power plant producing approximately 301 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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