| Name | English Name | Operator | Output | Method | Wikidata |
|---|---|---|---|---|---|
| Fljótsdalsstöð | Landsvirkjun | 690 MW | water-storage | Q692897 | |
| Búrfellsstöð | Landsvirkjun | 270 MW | run-of-the-river | Q1020268 | |
| Hrauneyjavirkun | Hrauneyjafoss Hydropower Station | Landsvirkjun | 210 MW | water-storage | Q2944556 |
| Blönduvirkjun | Landsvirkjun | 150 MW | Q568034 | ||
| Sigölduvirkjun | 150 MW | Q2944563 | |||
| Sultartangastöð | Sultartangi Power Station | Landsvirkjun | 125 MW | water-storage | |
| Búrfell II power station | Landsvirkjun | 100 MW | run-of-the-river | ||
| Búðarhálsvirkjun | Landsvirkjun | 95 MW | water-storage | Q16422352 | |
| Vatnsfellsvirkjun | Vatnsfell Power Station | Landsvirkjun | 90 MW | water-storage | Q953982 |
| Írafossvirkjun | Írafossstod Power Station | Landsvirkjun | 47.70 MW | run-of-the-river | |
| Lagarfossvirkjun | Orkusalan | 27.20 MW | run-of-the-river | ||
| Steingrímsstöð | Landsvirkjun | 27.00 MW | water-storage | ||
| Ljósafossvirkjun | Landsvirkjun | 16.00 MW | run-of-the-river | ||
| Laxá Power Station III | Landsvirkjun | 13.50 MW | water-storage | ||
| Mjólkárvirkjun | 10.55 MW | ||||
| Laxá Power Station II | Landsvirkjun | 9.00 MW | water-storage | ||
| Andakílsvirkjun | ON Power | 8.46 MW | run-of-the-river | Q2114075 | |
| Laxá Power Station I | Landsvirkjun | 5.00 MW | run-of-the-river | ||
| Glerárvirkjun 2 | Fallorka | 3.30 MW | water-storage | ||
| Skeiðsfossvirkjun I | Orkusalan | 3.20 MW | run-of-the-river | ||
| Grímsárvirkjun | Orkusalan | 2.80 MW | run-of-the-river | ||
| Köldukvíslarvirkjun | Íslandsvirkjun | 2.80 MW | water-storage | ||
| Djúpadalsvirkjun 1 | Fallorka | 1.80 MW | run-of-the-river | ||
| Skeiðsfossvirkjun II | Orkusalan | 1.70 MW | run-of-the-river | ||
| Smyrlabjargaárvirkjun | Orkusalan | 1.30 MW | water-storage | ||
| Gönguskarðsvirkjun | 1.12 MW | ||||
| Djúpadalsvirkjun 2 | Fallorka | 910 kW | run-of-the-river | ||
| Rjúkandavirkjun | Rafmagnsveitur ríkisins | 840 kW | water-storage | Q16424373 | |
| Tungudalsvirkjun | Orkubú Vestfjarða | 700 kW | run-of-the-river | ||
| Reiðhjallavirkjun | Orkubú Vestfjarða | 520 kW | water-storage | ||
| Glerárvirkjun I | Fallorka | 290 kW | run-of-the-river | ||
| Fjarðarselsvirkjun | 160 kW | water-storage | |||
| [unnamed] | |||||
| [unnamed] | run-of-the-river | ||||
| [unnamed] | |||||
| [unnamed] | run-of-the-river | ||||
| [unnamed] |