| Abbreviation | Definition |
|---|---|
| EPL | Energy Partners, LTD. |
| EPLL | Energy Platform Living Lab |
| EPM | Energy Portfolio Management |
| EPMA | Energy Policy Modernization Act |
| EPNG | El Paso Natural Gas |
| EPP | Energy Performance Preference |
| EPP | Energy Power Perfection |
| EPPO | Energy Policy and Planning Office |
| EPR | Energy Points Ratio |
| EPR | European Pressurized Reactor |
| EPS | Energy and Power Solutions |
| EPS | Energy Panel Structures |
| EPS | Energy Performance Score |
| EPTF | Energy Policy Task Force |
| EPTI | Energy and Power Technology Initiative |
| EPU | Energy Processing Unit |
| EPWA | Energy Purchase and Wheeling Agreement |
| EQ | Energy Quantum |
| EQ | energy quotient |
| ER | Energy Release |