| Abbreviation | Definition |
|---|---|
| MREP | Melbourne Renewable Energy Project |
| MRES | Missouri River Energy Services |
| MRET | Mandatory Renewable Energy Target |
| MSCE | Materials Simulation for Clean Energy |
| MSEA | Mountain States Energy Alliance |
| MSEF | Michigan Safe Energy Future |
| MSEW | Mid States Energy Works |
| MSGE | Master of Science in Global Energy |
| MTEO | Multiresolution Teager Energy Operator |
| MTF | Minor Transmission Facilities |
| MTPP | Moldovan Thermal Power Plant |
| MUSE | Musicians United for Safe Energy |
| MVE | Mechanical Ventilation and Energy |
| MVG | Medium Voltage Grid |
| NABCEP | North American Board of Certified Energy Practitioners |
| NAPOCOR | National Power Corporation |
| NAPS | Narora Atomic Power Station |
| NARUC | National Association of Regulatory Utility Commissioners |
| NBE | NANNIC Beautifying Energy |
| NBEI | New Brunswick Energy Institute |