| BCF | billion cubic feet |
| BTC | Baku-Tbilisi-Ceyhan (pipeline) |
| BTE | Baku-Tbilisi-Erzurum (pipeline) |
| bbl | barrel(s) |
| bpd | barrels per day |
| EIA | Energy Information Administration |
| GW | gigawatt |
| IEA | International Energy Agency |
| mbpd | million barrels per day |
| OECD | Organization for Economic Cooperation and Development |
| TCF | trillion cubic feet |
| TCP | Trans-Caspian Pipeline |