| Subject | English | Japanese |
| el.gen. | loss of load | 負荷損失 |
| reliabil. | loss-of-load expectation of an electric power system | 見込不足日数 電力系統の |
| reliabil. | loss-of-load expectation of an electric power system | 見込不足時間 電力系統の |
| reliabil. | loss-of-load probability of an electric power system | 電力不足確率 電力系統の |