G
- G&T—Generation and transmission utility cooperative (electricity)
- GAL—gallon (measurement)
- GAO—Government Accountability Office (General Accounting Office) (US) (government)
- GATT—General Agreement on Tariffs and Trade (government)
- GDP—gross domestic product (economics)
- GEF—Global Environmental Facility (environment)
- Genco—Any company doing electricity generation (US) (electricity)
- GFN—Global Footprint Network
- GFSE—Global Forum on Sustainable Energy (organization)
- GHC—Gross Inland (energy) Consumption (EU) (energy)
- GHG—Greenhouse gas (climate)
- GIC—Gas Inventory Charge (natural gas)
- GISB—Gas Industry Standards Board (now NAESB) (US) (natural gas)
- GLDF—Generator to Load Distribution Factor. See Load balancing (electricity)
- Gm3—Billion cubic metres (measurement – gas)
- GMO—Genetically modified organism
- GMP—Green Mountain Power (US) (electricity)
- GNP—gross national product (economics)
- GNSED— Global Network for Sustainable Energy Development
- GRI—Gas Research Institute (US) (natural gas)
- GridCo—Any company running a transmission grid (electricity). Also known as a TransCo (US) (electricity)
- GSF—Generator to Load Distribution Factor. See Load balancing (electricity)
- GSR—Gas Supply Realignment (natural gas)
- Gt—Gigaton (1 billion tons) (measurement)
- GTCC—Gas Turbine Combined Cycle (electricity)
- GTI—Gas Technology Institute (US)
- Gtoe—One billion tons of oil equivalent(EU) (measurement- oil)
- GVEP—Global Village Energy Partnership (organization)
- GVW—gross vehicle weight (transportation)
- GW—Gigawatt (one billion watts) (measurement- elect)
- GWE—Gigawatt of electric energy (measurement- elect)
- Gwh—Gigawatt hour (one billion watt hours) (measurement- elect)
- GWP—global warming potential (climate)
Read more about this topic: List Of Energy Abbreviations