| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Kainan | Oil | Japan | 2,100 |
| 2 | Gobo | Oil | Japan | 1,800 |
| 3 | Okuyoshino | Hydro | Japan | 1,206 |
| 4 | Tanagawa Daini | Oil | Japan | 1,200 |
| 5 | Wakayama | Gas | Japan | 147 |
| 6 | Miyami A | Solar | Japan | 25 |
| 7 | Wakayama | Solar | Japan | 24 |
| 8 | Hirokawa-Hidakagawa | Wind | Japan | 20 |
| 9 | Misaki Solar Power Plant | Solar | Japan | 10 |
| 10 | Minabe 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.
Kainan (Japan) ranks #1 with 2,100 mw.
This ranking covers 10 power plants in in Wakayama, Japan.
1. Kainan (2,100); 2. Gobo (1,800); 3. Okuyoshino (1,206).