| Abbreviation | Definition |
|---|---|
| AREC | Atlantic Renewable Energy Corp |
| ARED | African Renewable Energy Distribution |
| ARED | African Renewable Energy Distributor |
| ARED | African Renewable Energy Distributors |
| AREE | Atlantic Region Energy Expo |
| AREED | African Rural Energy Enterprise Development |
| AREED | African Rural Energy Entreprise Development |
| AREG | Aberdeen Renewable Energy Group |
| AREM | Alliance for Retail Energy Markets |
| ARES | Advanced Rail Energy Storage |
| ARGO | Auto-Regulating Gas-Operating |
| ARIES | Alternative Renewable Innovative Energy Solutions |
| ASDSO | Association of State Dam Safety Officials |
| ASES | American Solar Energy Societys |
| ASFE | Absorbed Specific Fracture Energy |
| ASFE | Amateurs Systems Free Energy |
| ASFE | Assistant Secretary for Fossil Energy |
| ASPG | Azerbaijan Society of Petroleum Geologists |
| ASRE | Atmospheric Science for Renewable Energy |
| ATEE | Association Technique Energy Environment |