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CONSTRUCTION IN PROGRESS (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013
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Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | $ 154,340,627 us-gaap_ConstructionInProgressGross | $ 83,719,596 us-gaap_ConstructionInProgressGross
Shanxi Datong Coal Group Steel Co Ltd [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | 18,431,457 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_ShanxiDatongCoalGroupSteelCoLtdMember | 17,012,469 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_ShanxiDatongCoalGroupSteelCoLtdMember
Xuzhou Zhongtai [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | 26,573,828 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouZhongtaiMember | 0 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouZhongtaiMember
Tangshan Rongfeng [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | 28,373,387 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_TangshanRongfengMember | 0 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_TangshanRongfengMember
Xuzhou Huayu [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | 28,510,731 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouHuayuMember | 25,537,326 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouHuayuMember
Xuzhou Tianan [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | 25,697,884 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouTiananMember | 17,188,366 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_XuzhouTiananMember
Boxing County Chengli [Member] |  |
Schedule of construction in progress [Line Items] |  |
Construction in Progress, Gross | $ 26,753,340 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_BoxingCountyChengliMember | $ 23,981,435 us-gaap_ConstructionInProgressGross / us-gaap_UnderlyingAssetClassAxis = creg_BoxingCountyChengliMember

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- Definition Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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