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Tohoku — power plant portfolio

Tohoku operates 15 power plants across 1 country, with a combined installed capacity of 15,642 MW. Its plants with asset-level emissions data total 31,192,110 t CO₂/yr.

15power plants
15,642MW total capacity
1countries
31,192,110t CO₂/yr (source-labelled)

Fleet by fuel

Geothermal: 4 plants4GeothermalCoal: 2 plants2CoalGas: 2 plants2GasNuclear: 2 plants2NuclearOil: 1 plants1OilHydro: 1 plants1Hydro

Fleet interpretation

Tohoku is represented here as an asset portfolio, not just a company label. The visible fleet spans 1 country; the largest concentration is Japan (15).

The fuel mix by asset count is geothermal (4), coal (2), gas (2), nuclear (2). The largest listed asset is Higashi Niigata in Japan (4,810 MW), and the mean listed unit size is about 1,083 MW across units with capacity data.

CO₂ coverage is source-labelled: 7 plants have a reported or modelled CO₂ value in the dataset, including 0 measured records. Missing values remain blank rather than inferred as company totals.

Method: plant-level records are grouped by owner/operator label, then aggregated by country, fuel, capacity and CO₂ provenance.

All 15 plants

PlantFuelCountryMWt CO₂/yr
Higashi NiigataGasJapan4,8106,455,600
OnagawaNuclearJapan2,174
Haramachi power stationCoalJapan2,00011,118,700
Noshiro power stationCoalJapan1,80010,006,400
AkitaOilJapan1,300
Higashi-DoriNuclearJapan1,100
Shin Sendai thermal power stationGasJapan1,0461,555,800
Joetsu power stationGasJapan572850,790
Sendai Tohoku power stationGasJapan468696,080
Daini NumazawaHydroJapan460
Hachinohe thermal power stationGasJapan394508,740
MoriGeothermalJapan50
YamagawaGeothermalJapan30
Matsukawa GeothermalGeothermalJapan24
OnikobeGeothermalJapan15

Ownership & capacity: WRI Global Power Plant Database (CC BY 4.0). CO₂ is measured for EPA/EU ETS records and modelled for Climate TRACE records.

Frequently asked questions

How many power plants does Tohoku operate?

Tohoku operates 15 power plants across 1 country, with about 15,642 MW of total capacity.

What is Tohoku's largest power plant?

Higashi Niigata in Japan is its largest at about 4,810 MW.

What types of power plants does Tohoku run?

Its fleet is mostly geothermal (4), coal (2), gas (2).

How much CO₂ do Tohoku's plants emit?

Its reporting plants emit about 31,192,110 tonnes of CO₂ per year in this dataset.

By Dmytro Aheiev, Inzonex Research · ORCID 0009-0001-5512-0291 · data sources and methodology