| AAPG | American Association of Petroleum Geologists |
| BLM | Bureau of Land Management |
| BOEM | Bureau of Ocean Energy management |
| CAES | compressed air energy storage |
| CERSC | Central Energy Resources Science Center |
| CFR | Coal Federal Regulations |
| CH4 | methane |
| CO2-EOR | Carbon dioxide for enhanced oil recovery |
| COALQUAL | USGS coal quality database |
| CORE | Committee on Resource Evaluation |
| DOE | Department of Energy |
| DOI | Department of the Interior |
| Doi | digital object identifier |
| EERSC | Eastern Energy Resources Science Center |
| EGS | enhanced (or engineered) geothermal systems |
| EIA | Energy Information Administration |
| EISA | Energy Independence and Security Act |
| EOR | enhanced oil recovery |
| EPA | Environmental Protection Agency |
| ERP | Energy Resources Program |
| EUR | estimated ultimate recoverie |
| FORGE | Frontier Observatory for Research in Geothermal Energy |
| FTE | full-time equivalent |
| GHG | Greenhouse Gas |
| GIS | geographic information system(s) |
| GTO | Geothermal Technologies Office |
| IUREAP | Integrated Uranium Resource and Environmental Assessment Project |
| MMS | Minerals Management Service |
| NAS | National Academy of Sciences |
| NCRDS | National Coal Resources Data System |
| NETL | National Energy Technology Laboratory |
| NPR-A | National Petroleum Reserve-Alaska |
| OECD | Organisation for Economic Co-operation and Development |
| PRMS | Petroleum Resources Management System |
| PSH | pumped-storage hydroelectricity |
| PVT | pressure, volume, and temperature |
| QA/QC | quality assurance and control |
| QMS | Quality Management System |
| ROZ | residual oil zone |
| STAR | Science to Achieve Results |
| UIC | Underground Injection Control |
| USGS | U.S. Geological Survey |
| WLCI | Wyoming Landscape Conservation Initiative |