| Abbreviation |
Description |
| PC |
Protected Class |
| PCI |
Potomac Capital Investment Corporation |
| PDF |
Portable Document Format |
| Pepco |
Potomac Electric Power Company |
| PES |
Pepco Energy Services |
| PGC |
Purchased Gas Charge |
| PHI |
Pepco Holdings, Inc. |
| PIDR |
Proprietary Information Designation Request |
| PIP |
Productivity Improvement Plan |
| PIWG |
Productivity Improvement Working Group |