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Chubu — power plant portfolio

Chubu operates 21 power plants across 1 country, with a combined installed capacity of 30,553 MW. Its plants with asset-level emissions data total 322,880 t CO₂/yr.

21power plants
30,553MW total capacity
1countries
322,880t CO₂/yr (source-labelled)

Fleet by fuel

Hydro: 8 plants8HydroOil: 5 plants5OilGas: 4 plants4GasWind: 2 plants2WindNuclear: 1 plants1NuclearCoal: 1 plants1Coal

Fleet interpretation

Chubu is represented here as an asset portfolio, not just a company label. The visible fleet spans 1 country; the largest concentration is Japan (21).

The fuel mix by asset count is hydro (8), oil (5), gas (4), wind (2). The largest listed asset is Kawagoe in Japan (4,802 MW), and the mean listed unit size is about 1,447 MW across units with capacity data.

CO₂ coverage is source-labelled: 1 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 21 plants

PlantFuelCountryMWt CO₂/yr
KawagoeGasJapan4,802
Hekinan power stationCoalJapan4,100
ChitaOilJapan3,966
HamaokaNuclearJapan3,504
Shin NagoyaGasJapan3,058
AtsumiOilJapan1,900
Chita DainiGasJapan1,708
OkuminoHydroJapan1,500
YokkaichiGasJapan1,245322,880
Nishi NagoyaOilJapan1,190
TaketoyoOilJapan1,070
Owase MitaOilJapan875
Okuyahagi DainiHydroJapan780
Mazegawa DaiichiHydroJapan288
Hatanagi No.2HydroJapan86
YokoyamaHydroJapan70
Mazegawa No.2HydroJapan66
IkawaHydroJapan62
Yahagi No.1HydroJapan61
KasadoriWindJapan38
Aoyama KogenWindJapan15

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 Chubu operate?

Chubu operates 21 power plants across 1 country, with about 30,553 MW of total capacity.

What is Chubu's largest power plant?

Kawagoe in Japan is its largest at about 4,802 MW.

What types of power plants does Chubu run?

Its fleet is mostly hydro (8), oil (5), gas (4).

How much CO₂ do Chubu's plants emit?

Its reporting plants emit about 322,880 tonnes of CO₂ per year in this dataset.

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