| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Onagawa | Nuclear | Japan | 2,174 |
| 2 | Shinchi power station | Coal | Japan | 2,000 |
| 3 | Soma Port Gas power station | Gas | Japan | 1,180 |
| 4 | Shin Sendai thermal power station | Gas | Japan | 1,046 |
| 5 | Sendai Tohoku power station | Gas | Japan | 468 |
| 6 | SENDAI REFINERY | Other | Japan | 119 |
| 7 | Kansai Sendai power station | Coal | Japan | 112 |
| 8 | Soma Coal-Biomass power station | Coal | Japan | 112 |
| 9 | Sendai Gamo power station | Biomass | Japan | 75 |
| 10 | Renatosu Soma | Solar | Japan | 44 |
| 11 | Nebio Kakuda power station | Other | Japan | 43 |
| 12 | Furukawa | Solar | Japan | 40 |
| 13 | Iwanuma - Marubeni Solar Power Plant | Solar | Japan | 28 |
| 14 | Taiwa | Solar | Japan | 28 |
| 15 | Onikobe | Geothermal | Japan | 15 |
| 16 | Soma A | Solar | Japan | 15 |
| 17 | Ishinomaki | Solar | Japan | 14 |
| 18 | Tenmyo Solar Power Plant | Solar | Japan | 14 |
| 19 | Kizuna Solar Power Plant | Solar | Japan | 4 |
| 20 | Sendai Solar Power Plant | Solar | Japan | 2 |
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.
Onagawa (Japan) ranks #1 with 2,174 mw.
This ranking covers 20 power plants in in Miyagi, Japan.
1. Onagawa (2,174); 2. Shinchi power station (2,000); 3. Soma Port Gas power station (1,180).