Quality Control (QC) PV modules

Vattenfall has signed framework agreements with a number of solar module manufactures. These agreements include quality supply agreements. The QC Firms will carry out the quality control against these quality supply agreements. Lot 1- Quality Control (QC) at manufacturer site, usually in Asia -Support in factory quality audits -In-line Inspection (Production witnessing) -CDF / BOM check -Pre-shipment testing -EL re-check against agreed failure-catalogue (off-site) -Management of 3rd-party lab testing -Flash test reference sample -Peel-off, gel content, PID, LID, Low-light, LeTID -Verification of PAN file -Witnessing of test or other verification Optional: Raw material traceability and CO2 emissions calculation Lot 2- On-site at project site (NL, DE) -Incoming inspection PV modules -Visual inspection -Flash test -EL -Post-Installation testing -EL