| Abbreviation | Definition |
|---|---|
| LCEP | Lanarkshire Community Energy Partnership |
| LCEP | Latino Community Energy Partnership |
| LCES | life cycle energy saving |
| LCT | Lquefied Carbon Dioxide Transportation |
| LDE | Lebanese Diaspora Energy |
| LE | Light Energy |
| LEACH | Lower Energy Adaptive Clustering Hierarchy |
| LEAP | Local Energy Alliance Program |
| LEAP | Love Energy Audacity and Proof |
| LEAP | Low income Energy Assistance Program |
| LEAR | Low Energy Antiproton Ring |
| LEB | Low Energy Booster |
| LEBA | London Energy Brokers Association |
| LEBIT | Low Energy Beam and Ion Trap |
| LEBM | Latitudinal Energy Balance Model |
| LECE | Lighting Energy Consumption Efficiency |
| LECM | Low Energy Community Meeting |
| LED | A Light Energy Deductor |
| LEE | Latent Energy Environments |
| LEED | A Latent Energy Efficiency Determination |