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Appendix 1 - Major Subsidiaries of CSI (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014
Major Subsidiaries of CSI |
Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries | 393,532,526 us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
CSI Solartronics (Changshu) Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSISolartronicsChangshuCoLtdMember
CSI Solar Technologies Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSISolarTechnologiesIncMember
CSI Solar Manufacture Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSISolarManufactureIncMember
Canadian Solar Manufacturing (Luoyang) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarManufacturingLuoyangIncMember
Canadian Solar Manufacturing (Changshu) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarManufacturingChangshuIncMember
SZCC, or CSI Cells |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSICellsCoLtdMember
Canadian Solar (USA) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarUSAIncMember
CSI Project Consulting GmbH |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 70.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSIProjectConsultingGmbHMember
Canadian Solar Japan K.K. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 90.67%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarJapanKKMember
Canadian Solar Solutions Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarSolutionsIncMember
SZSP |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSISolarPowerChinaIncMember
Canadian Solar EMEA GmbH |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarEMEAGmbHMember
Canadian Solar (Australia) Pty., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarAustraliaPtyLtdMember
HKSI |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarInternationalLtdMember
Canadian Solar O&M (Ontario) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarOAndMOntarioIncMember
Suzhou Sanysolar Materials Technology Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 80.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_SuzhouSanysolarMaterialsTechnologyCoLtdMember
Canadian Solar South East Asia Pte., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarSouthEastAsiaPteLtdMember
Canadian Solar Manufacturing (Suzhou) Inc. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 61.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarManufacturingSuzhouIncMember
Canadian Solar South Africa Pty., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarSouthAfricaPtyLtdMember
Canadian Solar Brasil Servicos De Consultoria EM Energia Solar Ltda. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarBrasilServicosDeConsultoriaEMEnergiaSolarLtdMember
Canadian Solar Middle East Limited |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarMiddleEastLimitedMember
Canadian Solartronics (Suzhou) Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolartronicsSuzhouCoLtdMember
Canadian Solar (Thailand) Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarThailandLtdMember
Canadian Solar Construction (USA) LLC |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CanadianSolarConstructionUsaLLCMember
CSI-GCL (Yancheng) Solar Manufacturing Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 80.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_CSIGCLYanchengSolarManufacturingCoLtdMember
Changsu Tegu New Materials Technology Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 75.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_ChangsuTeguNewMaterialsTechnologyCoLtdMember
Changshu Tlink Co., Ltd. |
Major Subsidiaries of CSI |
Attributable Equity Interest Held (as a percent) | 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions / dei_LegalEntityAxis = csiq_ChangshuTlinkCoLtdMember

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