World Power Plants

Mazegawa Daiichi288 MW Hydroelectric

HydroRenewable

Mazegawa Daiichi is a vital hydroelectric power generation facility located in Japan, with a capacity of 288 MW. This power plant utilizes the principles of hydroelectric technology, which involves harnessing the kinetic energy of flowing water to generate electricity. Situated at coordinates 35.7329, 137.1396, the Mazegawa Daiichi plant is positioned strategically to take advantage of the region's water resources, thereby contributing significantly to Japan’s energy supply. Operated by Chubu, one of the leading utility companies in Japan, this hydro power plant plays a critical role in the country’s energy mix, particularly in the wake of increasing focus on renewable energy sources. The significance of Mazegawa Daiichi extends beyond its immediate output; it supports the local grid and enhances energy security by providing a stable and reliable source of electricity. As Japan continues to recover and transition from its dependence on nuclear power following past crises, facilities like Mazegawa Daiichi are integral to the nation's efforts to achieve a sustainable and resilient energy future. With its emphasis on hydroelectric power, the plant not only aids in reducing greenhouse gas emissions but also supports local economic development through the provision of clean energy.

Capacity
288 MW
Commissioning Year
1996

30 years old

Owner
Chubu
Location
35.7329°, 137.1396°

Japan, Asia

Context & rankings
  • 198. largest of 662 plants in Japan
  • #6,269 worldwide by installed capacity
  • #1,150 of 8,493 Hydroelectric plants worldwide
  • 0.08% of the installed capacity of Japan
Age & fleet comparison

30 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, 41,038 MW combined

Nearest plant: Kani Mill (36.3 km)

Location

Coordinates:: 35.732900, 137.139600
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Carbon Footprint

Zero Direct Emissions

Mazegawa Daiichi is a hydro power plant producing approximately 1009 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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