By the end of 2025, CSC has invested 105.9 billion TWD. Amongst them, air pollution control accounted for 69%, water pollution control accounted for 13%, and energy saving and GHGs accounted for 11%, waste pollution control accounted for 6%, and others accounted for 1%.
| Items (100 million TWD) | 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|---|
| Capital Expenditure | Energy and Environmental Investments | 39.1 | 80.4 | 85.6 | 62.7 |
| Recurrent Expenses | Government Charges and Fees | 2.2 | 1.9 | 1.7 | 1.8 |
| R&D | 2.2 | 2.4 | 2.5 | 2.1 | |
| Depreciation | 12.5 | 11.5 | 10.3 | 11.2 | |
| Operation and Maintenance | 32.6 | 54.5 | 61.1 | 54.2 | |