| # | Plant | Fuel | Country | MW |
|---|---|---|---|---|
| 1 | Graben nuclear power plant | Nuclear | Switzerland | 1,140 |
| 2 | Kernkraftwerk Mühleberg | Nuclear | Switzerland | 390 |
| 3 | Handeck 1 | Hydro | Switzerland | 100 |
| 4 | Innertkirchen 2 | Hydro | Switzerland | 62 |
| 5 | Handeck 3 (Isogyre) | Hydro | Switzerland | 55 |
| 6 | Bannwil | Hydro | Switzerland | 27 |
| 7 | Kandergrund | Hydro | Switzerland | 19 |
| 8 | Spiez | Hydro | Switzerland | 19 |
| 9 | Aarberg | Hydro | Switzerland | 15 |
| 10 | Niederried | Hydro | Switzerland | 15 |
| 11 | Hagneck 1 (M3 M4 u. M5) | Hydro | Switzerland | 13 |
| 12 | Wynau | Hydro | Switzerland | 12 |
| 13 | Felsenau | Hydro | Switzerland | 11 |
| 14 | Kallnach | Hydro | Switzerland | 8 |
| 15 | La Goule | Hydro | Switzerland | 6 |
| 16 | Stechelberg | Hydro | Switzerland | 4 |
| 17 | Kandersteg (Zilfuri) | Hydro | Switzerland | 2 |
| 18 | Klusi | Hydro | Switzerland | 1 |
| 19 | Matte | Hydro | Switzerland | 1 |
| 20 | Kandersteg (Dorf) | Hydro | Switzerland | 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.
Graben nuclear power plant (Switzerland) ranks #1 with 1,140 mw.
This ranking covers 20 power plants in in Bern, Switzerland.
1. Graben nuclear power plant (1,140); 2. Kernkraftwerk Mühleberg (390); 3. Handeck 1 (100).