SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Schedule of Estimated Useful Lives of Property, Plant and Equipment Stated at Cost Less Accumulated Depreciation) (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2022 | |
| Plant and machinery | Minimum | |
| Estimated useful lives | 3 years |
| Plant and machinery | Maximum | |
| Estimated useful lives | 5 years |
| Motor vehicles | Minimum | |
| Estimated useful lives | 4 years |
| Motor vehicles | Maximum | |
| Estimated useful lives | 5 years |
| Office equipment | Minimum | |
| Estimated useful lives | 3 years |
| Office equipment | Maximum | |
| Estimated useful lives | 5 years |
| Power stations | Minimum | |
| Estimated useful lives | 20 years |
| Power stations | Maximum | |
| Estimated useful lives | 40 years |
| Power stations owned in different countries | Minimum | |
| Estimated useful lives | 20 years |
| Power stations owned in different countries | Maximum | |
| Estimated useful lives | 40 years |