World Power Plants

Tedorigawa Daiichi250 MW Hydroelectric

HydroRenewable

Positioned as the 204th largest power generation facility in Japan, Tedorigawa Daiichi plays a significant role in the country's hydroelectric landscape, ranking 43rd among 90 hydro plants. This 250 MW facility, operated by EPDC, contributes approximately 0.07% to Japan's total energy capacity of 357,453 MW, which is predominantly fueled by nuclear energy. Tedorigawa Daiichi utilizes advanced hydroelectric technology, harnessing the kinetic energy of flowing water to generate electricity sustainably. Its strategic location near several other hydroelectric plants, including the 220 MW Nagano and the 215 MW Miboro, enhances the regional energy grid's reliability and stability, fostering a robust energy ecosystem in the area. Additionally, the presence of smaller facilities like Oshirakawa (59 MW), Iwaya Ecopower (27 MW, wind), and Komatsu (13.2 MW, solar) showcases a diverse mix of renewable sources that complement Tedorigawa's output and help meet local energy demands. In the broader context of Japan's energy profile, where nuclear power dominates, Tedorigawa's contribution underscores the importance of diversifying energy sources to enhance sustainability and reduce reliance on any single fuel type. The plant, operational since its commissioning, stands as a testament to Japan's commitment to renewable energy, especially in the face of ongoing environmental challenges. With its significant capacity and strategic location, Tedorigawa Daiichi not only aids in stabilizing the regional grid but also exemplifies the potential for hydroelectric power to play a pivotal role in Japan's future energy landscape.

Capacity
250 MW
Commissioning Year
1997

29 years old

Owner
EPDC
Location
36.2683°, 136.6483°

Japan, Asia

Context & rankings
  • 202. largest of 662 plants in Japan
  • #6,657 worldwide by installed capacity
  • #1,236 of 8,493 Hydroelectric plants worldwide
  • 0.07% of the installed capacity of Japan
Age & fleet comparison

29 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

EPDC operates 12 plants totalling 6,322 MW

Regional density

31 plants within 100 km, 18,047 MW combined

Nearest plant: Oshirakawa (21 km)

Location

Coordinates:: 36.268300, 136.648300
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Carbon Footprint

Zero Direct Emissions

Tedorigawa Daiichi is a hydro power plant producing approximately 876 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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