| Abbreviation | Definition |
|---|---|
| CELEBRATE | City Employees Lowering Energy By Recycling And Tracking Efficiency |
| CELI | Clean Energy Leadership Institute |
| CELICA | Clean Energy for Low Income Communities Accelerator |
| CELN | Canadian Energy Literacy Network |
| CELP | Community Energy Loan Program |
| CELT | Constrained Energy Lapped Transform |
| CEM | Clean Energy Ministerial |
| CEM | Cylindrical Energy Module |
| CEMA | Connecticut Energy Marketers Association |
| CEMAC | Clean Energy Manufacturing Analysis Center |
| CEMF | Clean Energy Manufacturing Fund |
| CEMT | Contracting Energy Manpower and Training |
| CENE | Center of Excellence in Nanotechnology for Energy |
| CENR | Center for Energy and Natural Resources |
| CEOO | Combined Energy Options Ontario |
| CEP | Certified Energy Procurement |
| CEP | Clean Energy Prize |
| CEP | Communications Energy And Paperworkers |
| CEP | Comprehensive Energy Plan |
| CEP | Constellation Energy Partners |