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CONCENTRATION OF RISKS (Details) (PRC)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Foreign currency exchange rate risk | |||
| Appreciation of the RMB against US$ (as a percent) | 3.00% | 0.20% | 4.90% |
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Top five customers
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| Concentration of risks | |||
| Number of customers | 5 | ||
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Accounts receivable | Credit concentration risk | Top five customers
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| Concentration of risks | |||
| Concentration risk (as a percent) | 91.00% | 86.00% | |
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Revenue | Customer concentration risk
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| Concentration of risks | |||
| Concentration risk (as a percent) | 100.00% | 100.00% | 100.00% |
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Revenue | Customer concentration risk | Yunnan Province | Yunnan Nujiang Electric Power Co., Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 6.00% | 5.00% | 7.00% |
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Revenue | Customer concentration risk | Yunnan Province | Yunnan Dehong Electric Power Co., Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 8.00% | 6.00% | 11.00% |
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Revenue | Customer concentration risk | Yunnan Province | Yunnan Honghe Electric Power Co., Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 2.00% | 1.00% | 1.00% |
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Revenue | Customer concentration risk | Yunnan Province | Yunnan Grid Company, Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 3.00% | 3.00% | 4.00% |
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Revenue | Customer concentration risk | Sichuan Province | Sichuan Cangxi Electric Power Co., Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 1.00% | 1.00% | 1.00% |
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Revenue | Customer concentration risk | Zhejiang Province | Lishui Electric Power Bureau
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| Concentration of risks | |||
| Concentration risk (as a percent) | 49.00% | 46.00% | 43.00% |
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Revenue | Customer concentration risk | Fujian Province | Fujian Electric Power Co., Ltd.
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| Concentration of risks | |||
| Concentration risk (as a percent) | 19.00% | 20.00% | 16.00% |
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Revenue | Customer concentration risk | Fujian Province | Pingnan Power Supply Company
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| Concentration of risks | |||
| Concentration risk (as a percent) | 5.00% | 8.00% | |
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Revenue | Customer concentration risk | Fujian Province | Shaowu Electric Power Bureau
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| Concentration of risks | |||
| Concentration risk (as a percent) | 9.00% | 9.00% | 7.00% |
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Revenue | Customer concentration risk | Fujian Province | Nanping Electric Power Bureau
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| Concentration of risks | |||
| Concentration risk (as a percent) | 3.00% | 4.00% | 2.00% |