World Power Plants

Naie power station350 MW Coal

Coal

The Naie power station is a prominent coal-fired power generation facility located in Japan, holding a capacity of 350 MW. Commissioned in 1969, this power plant demonstrates the long-standing reliance on coal as a crucial energy source within Japan's energy mix. Operated by Hokkaido Electric Power Co Inc, the Naie power station employs traditional subcritical coal technology, which has been a mainstay in energy generation for decades. Situated at coordinates 43.4220, 141.8439, the plant is strategically located to support the local energy grid on Hokkaido Island, where energy demand remains high due to industrial and residential consumption. While Japan has been actively working towards diversifying its energy sources and increasing the share of renewables in its energy portfolio, coal-fired power plants like Naie continue to play an essential role in ensuring a stable and reliable energy supply. The Naie power station underscores the transitional phase in Japan's energy policy, which seeks to balance the need for energy security with environmental concerns. Despite the global shift towards cleaner energy, the Naie power station remains significant in providing necessary baseload power, reflecting the challenges faced by Japan in meeting its energy needs while also addressing climate change commitments. This facility today represents both a historical aspect of Japan's energy generation and a continuing element of the country’s complex energy landscape.

Capacity
350 MW
Commissioning Year
1969

57 years old

Owner
Hokkaido Electric Power Co Inc
Location
43.4220°, 141.8439°

Japan, Asia

Context & rankings
  • 186. largest of 662 plants in Japan
  • #5,633 worldwide by installed capacity
  • #1,777 of 2,793 Coal plants worldwide
  • 0.1% of the installed capacity of Japan
Age & fleet comparison

57 years in operation

Coal fleet average: 29.2 years

Operator portfolio

Hokkaido Electric Power Co Inc operates 3 plants totalling 2,250 MW

Regional density

25 plants within 100 km, 2,683 MW combined

Nearest plant: Sunagawa Daini power station (6 km)

Data provenance

Source: GCPT

Location

Coordinates:: 43.422000, 141.843900
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Carbon Footprint820 g CO₂/kWh
Annual CO₂
1.38 Mt
1686 GWh/year × 820 g/kWh
Cumulative CO₂
78.82 Mt
Over 57 years of operation
Past Retirement
2009
17 years past expected retirement
Annual emissions equivalent to
300.6K
cars per year
184.4K
homes per year
62.9M
trees to offset

Estimates based on Coal emission factor (820 g CO₂/kWh) and capacity factor (55%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Coal
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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