| Symbol | Name | Country | Exchange |
|---|---|---|---|
| NGG | National Grid Transco, PLC | US | NYSE |
| PAM | Pampa Energia S.A. | US | NYSE |
| NNGF | National Grid PLC | DE | F |
| RN4 | Ren Redes Energeticas Nacionais SGPS SA | DE | F |
| 08M | ADMIE IPTO HLDG EO 212 | DE | F |
| NNGD | National Grid plc | DE | F |
| 0KBT | Ren Redes Energeticas Nacionais SGPS SA | GB | LSE |
| RENE | REN - Redes Energéticas Nacionais SGPS S.A | PT | LS |