Members I-KR
| Member |
| "Ignitis Latvija" SIA |
| I SUPPLY ENERGY LIMITED |
| In Commodities A/S |
| INTER RAO Eesti OÜ |
| IPM Energy Trading Limited |
| Ishavskraft AS |
| Istad Kraft AS |
| J. Aron & Company |
| JotunKraft AS |
| Jysk Energi A/S |
| Jämtkraft AB |
| JWM Energia SP.z.o.o |
| Kemira Oyj |
| Kinect Energy AS |
| Kinect Energy Spot AS |
| Kinect Energy Sweden AB |
| Kirunabostäder AB |
| Kongsvinger Kommune |
| Kotimaan Energia Oy |
| Kotkan Energia Oy |
| Kraftanmelding AS |
| Kraftverkene i Orkla DA |
| Kraftriket AS |
| Kraftnät Åland AB |