| Factory working period | 6:00~20:00 | |
| Time period | Summer electricity price (NT$) | |
| Off-peak | 6:00~7:00 | 1.8 |
| Mid-peak | 7:00~10:00 | 3.3 |
| 17:00~20:00 | 3.3 | |
| On-peak | 10:00~17:00 | 4.8 |