| SWX | Southwest Gas |
| NJR | New Jersey Resources |
| ELPC | Companhia Paranaense de Energia |
| PCG | Pacific Gas & Electric |
| CMS | CMS Energy Corporation 5.875% J |
| SR | Spire |
| OGS | ONE Gas |
| IDA | IDACORP |
| BIP | Brookfield Infrastructure Partners |
| BIPC | Brookfield Infrastructure Corpo |