Members GO-H
| Member |
| GodEl i Sverige AB |
| Gren Eesti AS |
| Gällivare Kommun |
| Göteborg Energi DinEl AB |
| HAFSLUND E-CO VANNKRAFT AS |
| Halmstads Kommun |
| Hartree Partners Power & Gas Company (UK) Limited |
| Haugaland Kraft Energi AS |
| Helgeland Kraft Holding AS |
| Helgeland Kraft Strøm AS |
| Helgeland Kraft Vannkraft AS |
| Helen Oy |
| HEX SAS |
| Hofor Energiproduktion A/S |
| Hydro Energi AS |