World Power Plants

Okinawa Yanbaru Seawater Pumped Storage Power Station30 MW Hydroelectric

HydroRenewableVerified: Feb 2026

Okinawa Yanbaru Seawater Pumped Storage Power Station is a hydro power plant located in Japan. It has an installed capacity of 30 MW generated from hydro energy.

Capacity
30 MW
Commissioning Year
2019

7 years old

Owner
Okinawa Electric Power Company
Location
26.6736°, 128.2656°

Japan, Asia

Context & rankings
  • 318. largest of 662 plants in Japan
  • #16,429 worldwide by installed capacity
  • #3,804 of 8,493 Hydroelectric plants worldwide
  • 0.01% of the installed capacity of Japan
Age & fleet comparison

7 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Okinawa Electric Power Company operates 6 plants totalling 716 MW

Regional density

7 plants within 100 km, 1,725 MW combined

Nearest plant: Nago Futami Solar Power Plant (27.5 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 26.673611, 128.265556
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Okinawa Yanbaru Seawater Pumped Storage Power Station is a hydro power plant producing approximately 105 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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