| Abbreviation | Definition |
|---|---|
| ETBA | Energy Trace and Barrier Analysis |
| ETBA | Energy Trace Barrier Analysis |
| ETBC | Electronics Take Back Coalition |
| ETC | Energy Talent and Commitment |
| ETD | Energy Taxation Directive |
| ETDE | Energy Technology Data Exchange |
| ETDL | Energy Transfer Dye Laser |
| ETE | Energy |
| ETE | Energy Tran Eqt |
| ETE | Energy Transfer Equity |
| ETEC | Energy Technology Engineering Center |
| ETES | Electric Thermal Energy Storage |
| ETF | Energy Time And Frequency |
| ETIP | Energy Tariff Incentive Program |
| ETIP | Energy Transition Impact Project |
| ETM | Energy Transition Mechanisms |
| ETM | Energy Transportation and Metals |
| ETML | Energy Trust Marketing Ltd |
| ETOT | Energy Trading Operations Technology |
| ETP | Energy Technology Perspectives |