| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Reihoku power station | Coal | Japan | 1,400 |
| 2 | Ohira | Hydro | Japan | 500 |
| 3 | Yatsushiro power station | Biomass | Japan | 75 |
| 4 | Ozu A | Solar | Japan | 45 |
| 5 | Mashiki | Solar | Japan | 40 |
| 6 | Ozu B | Solar | Japan | 30 |
| 7 | Ashikita Solar Power Plant | Solar | Japan | 22 |
| 8 | Ozu | Solar | Japan | 19 |
| 9 | Nishiki - Sojitz Solar Power Plant | Solar | Japan | 13 |
| 10 | Uchida | Solar | Japan | 11 |
| 11 | Hagio A | Solar | Japan | 6 |
| 12 | Meshima | Solar | Japan | 6 |
| 13 | Urakawachi A | Solar | Japan | 4 |
| 14 | Nakakuma Solar Power Plant | Solar | Japan | 2 |
| 15 | Meishihama Solar Power Plant | Solar | Japan | 2 |
| 16 | Ozu Solar Power Plant | Solar | Japan | 1 |
Method: ranked from open data — capacity & fuel from WRI Global Power Plant Database (CC BY 4.0); CO₂ measured for US EPA GHGRP / EU ETS records and modelled for Climate TRACE records. Sorted server-side; click any column to re-sort. Company-level data only.
Reihoku power station (Japan) ranks #1 with 1,400 mw.
This ranking covers 16 power plants in in Kumamoto, Japan.
1. Reihoku power station (1,400); 2. Ohira (500); 3. Yatsushiro power station (75).