v3.19.1
Document and Entity Information
3 Months Ended
Mar. 31, 2019
Document and Entity Information [Abstract]  
Entity Registrant Name Atlantica Yield plc
Entity Central Index Key 0001601072
Current Fiscal Year End Date --12-31
Document Type 6-K
Amendment Flag false
Document Period End Date Mar. 31, 2019
Document Fiscal Year Focus 2019
Document Fiscal Period Focus Q1