| Abbreviation | Definition |
|---|---|
| GESP | Groningen Energy and Sustainability Programme |
| GESP | Groningen Energy and Sustainable Platform |
| GESP | Groningen Energy and Sustainable Programme |
| GESP | Guaranteed Energy Savings Performance |
| GESP | Guaranteed Energy Savings Program |
| GESR | Georgian Energy Sector Reform |
| GET | Glocal Energy Transfer |
| GET | Green Energy Technology |
| GETA | Green Energy Technology Academy |
| GETEA | Green Engineering Transport Energy and Agrobusiness |
| GFEA | Grand Forks Energy Alliance |
| GFES | Green Field Energy Services |
| GFSE | Global Forum on Sustainable Energy |
| GGEL | Godawari Green Energy Limited |
| GGES | Greatship Global Energy Services |
| GGTJV | Goldfields Gas Transmission Joint Venture (Perth, Australia) |
| GHEL | Green Housing and Energy Ltd |
| GIEC | Georgian International Energy Corporation |
| GIEC | Guangzhou Institute of Energy Conversion |
| GISE | Gujarat Institute of Solar Energy |