| ABS | Absolute temperature |
| AC | Alternating Current |
| AMP | Ampere |
| CD | Contract demand |
| DC | Direct Current |
| DSM | Demand-Side Management |
| EIA | Energy Information Administration |
| EPCA | Energy Policy Conservation Act of 1975 |
| ERDA | Energy Research Development Administration (Federal) |
| ETA | Energy Tax Act |
| FELCC | Firm Energy Load Carrying Capability |
| FERC | Federal Energy Regulatory Commission |
| FPA | Federal Power Act |
| FPC | Federal Power Commission |
| IER | Incremental Energy Rate |
| IPP | Independent Power Producer |
| NEA | National Energy Act of 1978, which is composed of the Natural Gas Policy Act (NGPA), National Energy Conservation Policy Act (NECPA), Public Utilities Regulatory Policy Act (PURPA), Powerplant and Industrial Fuel Use Act (PIFUA), Energy Tax Act (ETA) |
| NEB | National Energy Board (Canadian) |
| NEPA | National Energy Policy Act of 1992 |
| PPA | Power Purchase Agreement |
| PUC | Public utility commission |
| PUD | Public utility district |
| SPP | Small Power Producer |
| VAR | Voltage-Ampere-Reactive |