World Power Plants

Makiminato Power Plant288 MW Natural Gas

GasVerified: Feb 2026

The Makiminato Power Plant is an integral part of Japan's energy generation framework, located on the beautiful Okinawa Island at coordinates 26.2694, 127.7193. Owned and operated by Okinawa Electric Power Company, this gas-fired facility has a capacity of 288 MW, contributing significantly to the island's electricity supply. The plant employs state-of-the-art gas generation technology, which allows for efficient and relatively clean energy production, making it a vital asset in Japan's ongoing efforts to enhance energy security and reduce dependency on imported fossil fuels. In the context of Okinawa’s unique geographical and political climate, the Makiminato Power Plant is crucial for maintaining the stability of the local grid, particularly in light of the region's susceptibility to natural disasters. The facility not only meets the energy needs of the local population but also aligns with Japan's national energy policies promoting a transition towards more sustainable sources of energy while ensuring reliable electricity supply.

Capacity
288 MW
Commissioning Year
1999

27 years old

Owner
Okinawa Electric Power Company
Location
26.2694°, 127.7193°

Japan, Asia

Context & rankings
  • 198. largest of 662 plants in Japan
  • #6,269 worldwide by installed capacity
  • #2,308 of 5,146 Natural Gas plants worldwide
  • 0.08% of the installed capacity of Japan
Age & fleet comparison

27 years in operation

Natural Gas fleet average: 26.9 years

Operator portfolio

Okinawa Electric Power Company operates 6 plants totalling 716 MW

Regional density

7 plants within 100 km, 1,467 MW combined

Nearest plant: Gushikawa power station (19.8 km)

Data provenance

Source: Wikidata

Location

Coordinates:: 26.269417, 127.719306
Open in Google Maps
Carbon Footprint490 g CO₂/kWh
Annual CO₂
556.3 Kt
1135 GWh/year × 490 g/kWh
Cumulative CO₂
15.02 Mt
Over 27 years of operation
Closing Soon
2029
3 years remaining
Annual emissions equivalent to
120.9K
cars per year
74.2K
homes per year
25.3M
trees to offset

Estimates based on Gas emission factor (490 g CO₂/kWh) and capacity factor (45%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Gas
Energy Source
Non-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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