| Name | English Name | Operator | Output | Source | Method | Wikidata |
|---|---|---|---|---|---|---|
| Fljótsdalsstöð | 690 MW | hydro | water-storage | Q692897 | ||
| Hellisheiðarvirkjun | 300 MW | geothermal | Q2508514 | |||
| Búrfellsstöð | 270 MW | hydro | Q1020268 | |||
| Hrauneyjavirkun | Hrauneyjafoss Hydropower Station | Landsvirkjun | 210 MW | hydro | ||
| Blönduvirkjun | Landsvirkjun | 150 MW | hydro | Q568034 | ||
| Sigölduvirkjun | 150 MW | hydro | ||||
| Nesjavellir | Orkuveita Reykjavíkur | 120 MW | geothermal | Q693330 | ||
| Sultartangastöð | Sultartangi Power Station | 120 MW | hydro | |||
| Reykjanesvirkjun | 100 MW | geothermal | ||||
| Búðarhálsvirkjun | Landsvirkjun | 95 MW | hydro | |||
| Vatnsfellsvirkjun | Vatnsfell Power Station | Landsvirkjun | 90 MW | hydro | water-storage | Q953982 |
| Svartsengisvirkjun | Svartsengi Power Station | HS Orka HF | 75 MW | geothermal | Q2944551 | |
| Kröflustöð | Landsvirkjun | 60 MW | geothermal | Q1494458 | ||
| Írafossvirkjun | 47.70 MW | hydro | ||||
| Mjólkárvirkjun | 10.55 MW | hydro | ||||
| Andakílsvirkjun | 8.46 MW | hydro | ||||
| Gönguskarðsvirkjun | 1.12 MW | |||||
| [unnamed] | hydro | |||||
| [unnamed] | hydro | |||||
| [unnamed] |