| Symbol | Name | Country | Exchange |
|---|---|---|---|
| NGG | National Grid Transco, PLC | US | NYSE |
| NGGTF | National Grid Transc | US | OTC |
| SSEZF | SSE plc | US | OTC |
| SSEZY | SSE plc | US | OTC |
| SSE | SSE Plc | UK | LSE |
| NNGF | National Grid PLC | DE | F |
| STSB | StavropolEnergoSbyt | RU | MCX |
| PWC | Pinnacle West Capital Corporation | DE | F |
| SCT | SSE plc | DE | F |
| SCTA | SSE PLC ADR LS-50 1 | DE | F |