| ADCIRC | Advanced Circulation Model | |
| ADCP | acoustic Doppler current profiler | |
| BOEM | Bureau of Ocean Energy Management | |
| DOE | Department of Energy | |
| DOI | Department of the Interior | |
| EGL | energy gradeline | |
| EIA | Energy Information Administration | |
| EMEC | European Marine Energy Centre | |
| ENSO | El Niño/Southern Oscillation | |
| EPA | Environmental Protection Agency | |
| EPRI | Electric Power Research Institute | |
| FERC | Federal Energy Regulatory Commission | |
| FWS | U.S. Department of Fish and Wildlife | |
| GDEM | Generalized Digital Environment Model | |
| GIS | geographic information system | |
| HF | high frequency | |
| HGL | hydraulic gradient line | |
| HYCOM-GLOBAL | Hybrid Coordinate Ocean Model |
| HYCOM-GOM | Hybrid Coordinate Ocean Model—Gulf of Mexico | |
| IEC | International Electrotechnical Commission | |
| JPL-ROMS | Jet Propulsion Laboratory Regional Ocean Model System | |
| MHK | marine and hydrokinetic (resources) | |
| MOC | maximum operating condition | |
| MODAS | Moderate Resolution Imaging Spectroradiometer | |
| NCOM | Navy Coastal Ocean Model | |
| NOAA | National Oceanic and Atmospheric Administration | |
| NRC | National Research Council | |
| NREL | National Renewable Energy Laboratory | |
| ORNL | Oak Ridge National Laboratory | |
| ORPC | Ocean Renewable Power Company | |
| OTEC | ocean thermal energy conversion | |
| probability density function | ||
| ROC | rated operating condition | |
| ROMS | Regional Ocean Modeling System | |
| SOT | statement of task | |
| SST | sea surface temperature | |
| TBD | to be determined | |
| TGE | turbogenerator efficiency | |
| TOC | threshold operating condition | |
| USACE | U.S. Army Corps of Engineers | |
| WSL | water surface line |