World Power Plants

Sakuma350 MW Hydroelectric

HydroRenewable

The Sakuma power plant, located in Japan, represents a significant asset in the country’s energy generation landscape. With a capacity of 350 MW, this hydroelectric power station plays a crucial role in Japan's pursuit of renewable energy sources. The plant utilizes dam-based hydro technology, harnessing the natural flow of water to generate electricity sustainably. This approach not only contributes to Japan’s energy mix but also aligns with national policies aimed at increasing the share of renewable energy in the wake of past energy crises. Positioned at coordinates 35.0908, 137.8047, the Sakuma power plant is situated in a region that is rich in water resources, providing an ideal environment for hydroelectric generation. As operated by EPDC, the facility emphasizes the importance of renewable energy within Japan's broader energy strategy, particularly following the Fukushima disaster, which prompted a nationwide reevaluation of energy sources. The significance of the Sakuma power plant extends beyond its immediate power output, as it also serves to stabilize the local grid and reduce greenhouse gas emissions, reflecting Japan's commitment to environmental sustainability. With ongoing efforts to enhance energy efficiency and promote clean energy technologies, the Sakuma power plant stands as a testament to Japan's dedication to innovative solutions in energy generation, making it a pivotal component of the country's energy infrastructure.

Capacity
350 MW
Commissioning Year
1994

32 years old

Owner
EPDC
Location
35.0908°, 137.8047°

Japan, Asia

Context & rankings
  • 186. largest of 662 plants in Japan
  • #5,630 worldwide by installed capacity
  • #987 of 8,493 Hydroelectric plants worldwide
  • 0.1% of the installed capacity of Japan
Age & fleet comparison

32 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

EPDC operates 12 plants totalling 6,322 MW

Regional density

52 plants within 100 km, 42,546 MW combined

Nearest plant: Shin Toyone (5.6 km)

Location

Coordinates:: 35.090800, 137.804700
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Carbon Footprint

Zero Direct Emissions

Sakuma is a hydro power plant producing approximately 1226 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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