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SUMMARY OF PRINCIPAL ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
SUMMARY OF PRINCIPAL ACCOUNTING POLICIES |
Schedule of project assets |
|  | At December 31, 2012 |
--- | --- | --- | ---
|  | $ |
Project assets—Acquisition cost |  |  | 275,423,447 |
Project assets—Modules cost |  |  | 30,721,957 |
Project assets—Development cost |  |  | 67,037,602 |
Project assets—Others |  |  | 25,964,018 |
Total Project assets |  |  | 399,147,024 |
Current portion |  |  | 180,436,619 |
Non-current portion |  |  | 218,710,405 |
Schedule of estimated useful lives of property, plant and equipment |
Buildings |  | 20 years
Leasehold improvements |  | Over the shorter of the lease term or their estimated useful lives
Machinery |  | 5-10 years
Furniture, fixtures and equipment |  | 5 years
Motor vehicles |  | 5 years
Schedule of useful life intangible assets |
Power purchase agreement |  | 20 years
Technical know-how |  | 10 years
Computer software |  | 1-10 years
Schedule of gross prepayments made to individual suppliers in excess of 10% of total advances to suppliers |
|  | At December 31, 2011 |  | At December 31, 2012 |
--- | --- | --- | --- | --- | ---
|  | $ |  | $ |
Supplier A |  |  | — |  |  | 18,999,361 |
Supplier B |  |  | 17,408,593 |  |  | 17,712,192 |
Supplier C |  |  | 10,157,248 |  |  | 10,182,165 |
Supplier D |  |  | 9,517,110 |  |  | 9,545,172 |
Supplier E |  |  | 7,935,350 |  |  | 7,954,817 |
Supplier F |  |  | 9,430,646 |  |  | 1,188,507 |

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- Definition Tabular disclosure of the extent of the entity's reliance on its major suppliers, if prepayments with a single supplier amount to 10 percent or more of entity prepayments, including the disclosure of that fact, the total amount of prepayments from each such supplier. + References No definition available. + Details
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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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