XML 17 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2018
shares
Statement Line Items [Line Items]  
Entity Registrant Name ENERGY CO OF PARANA
Entity Central Index Key 0001041792
Document Type 20-F
Document Period End Date Dec. 31, 2018
Amendment Flag false
Current Fiscal Year End Date --12-31
Is Entity a Well-known Seasoned Issuer? Yes
Is Entity a Voluntary Filer? No
Is Entity's Reporting Status Current? No
Entity Filer Category Large Accelerated Filer
Entity Emerging Growth Company false
Entity Shell Company false
Entity Common Stock, Shares Outstanding 145,031,080
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2018
Class "A" Preferred  
Statement Line Items [Line Items]  
Entity Preferred Stock, Shares Outstanding 328,627
Class "B" Preferred  
Statement Line Items [Line Items]  
Entity Preferred Stock, Shares Outstanding 128,295,668