| ITEM | UNIT | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Energy Consumption | TOE | 32,078 | 33,715 | 33,429 | 34,545 | - |
| - Electricity | MWh | 113,111 | 120,532 | 123,158 | 126,988 | - |
| - City gas | NM³ | 5,865,747 | 5,920,108 | 4,966,179 | 5,101,499 | - |
| - Water | ton | 1,140,899 | 1,113,430 | 1,175,622 | 1,189,061 | - |
| - Diesel | ℓ | - | 58,432 | 56,969 | 54,491 | - |
| - Kerosene | ℓ | - | 860 | 946 | 953 | - |
| - Gasoline | ℓ | - | 13,566 | 13,733 | 19,054 | - |
| - Energy consumption relative to research budget | TOE/100M KRW | 7 | 6 | 6 | 6 | - |
| - Energy consumption relative to paper publications | TOE/paper | 7.5 | 7.7 | 7.4 | 7.2 | - |
| - Energy consumption relative to patent applications | TOE/patent | 18 | 22 | 23 | 22 | - |
| - Energy consumption per unit area | TOE/㎡ | - | 0.05 | 0.04 | 0.05 | - |