| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Sakaiko | Gas | Japan | 2,000 |
| 2 | Sakai Port power station | Gas | Japan | 2,000 |
| 3 | Nanko | Gas | Japan | 1,800 |
| 4 | Senboku Natural Gas power plant | Gas | Japan | 1,109 |
| 5 | OSAKA REFINERY POWER | Other | Japan | 169 |
| 6 | Funamachi power plant | Gas | Japan | 149 |
| 7 | MITSUI CHEMICALS OSAKA | Other | Japan | 108 |
| 8 | Sakai Solar Power Plant | Solar | Japan | 28 |
| 9 | Hirano Incineration Plant | Biomass | Japan | 27 |
| 10 | Izumiotsu Solar Power Plant | Solar | Japan | 20 |
| 11 | Kansai KIX | Solar | Japan | 12 |
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.
Sakaiko (Japan) ranks #1 with 2,000 mw.
This ranking covers 11 power plants in in Osaka, Japan.
1. Sakaiko (2,000); 2. Sakai Port power station (2,000); 3. Nanko (1,800).