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9 Net Sectorial Financial Assets and Liabilities | 12 Months Ended
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Dec. 31, 2020
Net Sectorial Financial Assets And Liabilities [Abstract] |
Net Sectorial Financial Assets and Liabilities |
9 | Net Sectorial Financial Assets and Liabilities
9.1 | Compositions of net sectorial financial assets and liabilities balances per tariff cycle
|  | 12.31.2020 |  | 12.31.2019
| Current | Noncurrent | Current | Noncurrent
Sectorial financial assets - Electricity rate adjustment recoverable 2019 |  |  |  |
Portion A |  |  |  |
Electricity purchased for resale - CVA Energ | - | - | 235,192 | -
Electricity purchased for resale - Itaipu | - | - | 342,647 | -
Transport of energy using the transmission system - basic grid | - | - | (47,214) | -
Transport of energy purchased from Itaipu | - | - | 9,937 | -
System Service Charges - ESS | - | - | (160,277) | -
Energy Development Account - CDE | - | - | 98,722 | -
Proinfa | - | - | 8,528 | -
Neutrality | - | - | 29,690 | -
Overcontracting | - | - | (116,673) | -
Hydrological risk | - | - | (119,416) | -
Tariff refunds | - | - | (43,538) | -
Other | - | - | (448) | -
| - | - | 237,150 | -
Sectorial financial assets - Electricity rate adjustment recoverable 2020 |  |  |  |
Portion A |  |  |  |
Electricity purchased for resale - CVA Energ | - | - | 15,298 | 15,298
Electricity purchased for resale - Itaipu | - | - | 225,340 | 225,340
Transport of energy using the transmission system - basic grid | - | - | 30,126 | 30,126
Transport of energy purchased from Itaipu | - | - | 7,227 | 7,227
System Service Charges - ESS | - | - | (52,336) | (52,336)
Energy Development Account - CDE | - | - | 27,103 | 27,103
Proinfa | - | - | (30) | (30)
Neutrality | - | - | 9,408 | 9,408
Offset of energy surplus/deficit under CCEAR bilateral contracts | - | - | 20,096 | 20,096
Overcontracting | - | - | (25,725) | (25,725)
Hydrological risk | - | - | (113,872) | (113,872)
Tariff refunds | - | - | (24,215) | (24,216)
| - | - | 118,420 | 118,419
Sectorial financial assets - Electricity rate adjustment recoverable 2021 |  |  |  |
Portion A |  |  |  |
Electricity purchased for resale - CVA Energ | (54,864) | (54,864) | - | -
Electricity purchased for resale - Itaipu | 231,588 | 231,588 | - | -
Transport of energy using the transmission system - basic grid | 88,137 | 88,137 | - | -
Transport of energy purchased from Itaipu | 9,766 | 9,766 | - | -
System Service Charges - ESS | 11,266 | 11,266 | - | -
Energy Development Account - CDE | (903) | (903) | - | -
Proinfa | (89) | (89) | - | -
Neutrality | 27,923 | 27,923 | - | -
Overcontracting | 78,836 | 78,836 | - | -
Hydrological risk | (143,147) | (143,147) | - | -
Tariff refunds | (76,144) | (76,144) | - | -
Other | 1,096 | 1,096 | - | -
| 173,465 | 173,465 | - | -
| 173,465 | 173,465 | 355,570 | 118,419
|  | 12.31.2020 |  | 12.31.2019
| Current | Noncurrent | Current | Noncurrent
Sectorial financial liabilities - Electricity rate adjustment recoverable 2020 |  |  |  |
Portion A |  |  |  |
Electricity purchased for resale - CVA Energ | 9,675 | - | - | -
ESS | (3,401) | - | - | -
CDE | (66) | - | - | -
Proinfa | 33 | - | - | -
Transport of energy using the transmission system - basic grid | 603 | - | - | -
Transport of energy purchased from Itaipu | 214 | - | - | -
Offset of energy surplus/deficit under CCEAR bilateral contracts | 36,395 | - | - | -
Hydrological risk | (187,817) | - | - | -
Tariff refunds | (41,381) | - | - | -
Overcontracting | (26,995) | - | - | -
Neutrality | 21,419 | - | - | -
Other | 2,612 | - | - | -
| (188,709) | - | - | -
Sectorial financial liabilities - Tariff Review 2021 |  |  |  |
Financial components |  |  |  |
Tariff refunds | - | - | - | (102,284)
| - | - | - | (102,284)
| (188,709) | - | - | (102,284)
9.2 | Changes in net sectorial financial assets and liabilities
| Balance as of | Operating revenues | Financial results | Write-offs Covid Account | Rate | Balance as of
| 1-Jan-20 | Constitution | Amortization | Updating | flags | 31-Dec-20
Portion A |  |  |  |  |  |  |
Electricity purchased for resale - Itaipu | 793,327 | 893,581 | (354,300) | 28,197 | (897,629) | - | 463,176
Electricity purchased for resale - CVA Energ | 265,788 | (242,246) | (253,482) | 1,076 | 164,804 | (35,993) | (100,053)
Transport of energy using the transmission system - basic grid | 13,038 | 265,030 | 48,154 | 1,715 | (151,060) | - | 176,877
Transport of energy purchased from Itaipu | 24,391 | 31,762 | (10,503) | 801 | (26,705) | - | 19,746
ESS | (264,949) | (72,032) | 169,396 | (8,854) | 249,724 | (54,154) | 19,131
CDE | 152,928 | 56,608 | (102,027) | 5,065 | (114,446) | - | (1,872)
Proinfa | 8,468 | (21,615) | (8,856) | (181) | 22,039 | - | (145)
Other financial components |  |  |  |  |  |  |
Neutrality | 48,506 | 95,870 | (52,843) | 187 | (14,455) | - | 77,265
Offset of energy surplus/deficit under CCEAR bilateral contracts | 40,192 | 75,917 | (79,714) | - | - | - | 36,395
Hydrological risk | (347,160) | (444,291) | 322,432 | (5,092) | - | - | (474,111)
Tariff refunds | (194,253) | (83,514) | 88,269 | (4,171) | - | - | (193,669)
Overcontracting | (168,123) | 274,051 | 145,853 | 663 | (101,788) | (19,979) | 130,677
Others | (448) | 6,927 | (2,375) | 700 | - | - | 4,804
| 371,705 | 836,048 | (89,996) | 20,106 | (869,516) | (110,126) | 158,221
Current assets | 355,570 |  |  |  |  |  | 173,465
Noncurrent assets | 118,419 |  |  |  |  |  | 173,465
Current liabilities | - |  |  |  |  |  | (188,709)
Noncurrent liabilities | (102,284) |  |  |  |  |  | -
The balance of Covid Account was received in full on July 31, 2020, as described in Note 1, item “a”.
| Balance as of | Operating revenues | Financial results | Rate | Balance as of
| January 1, 2019 | Constitution | Amortization | Updating | flags | December 31, 2019
Portion A |  |  |  |  |  |
Electricity purchased for resale - Itaipu | 886,243 | 533,057 | (670,501) | 44,528 | - | 793,327
Electricity purchased for resale - CVA Energ | 626,891 | 358,200 | (546,801) | 29,909 | (202,411) | 265,788
Transport of energy using the transmission system - basic grid | (30,514) | 22,917 | 23,688 | (3,053) | - | 13,038
Transport of energy purchased from Itaipu | 23,250 | 19,531 | (19,692) | 1,302 | - | 24,391
ESS | (481,972) | (188,280) | 427,177 | (21,874) | - | (264,949)
CDE | 159,084 | 110,752 | (127,190) | 10,282 | - | 152,928
Proinfa | 2,989 | 17,396 | (12,636) | 719 | - | 8,468
Other financial components |  |  |  |  |  |
Neutrality | 123,028 | (1,122) | (74,698) | 1,298 | - | 48,506
Offset of energy surplus/deficit under CCEAR bilateral contracts | 5,237 | 80,385 | (45,430) | - | - | 40,192
CVA Angra III Adjustment | 6,272 | - | (6,272) | - | - | -
Hydrological risk | (319,033) | (324,504) | 304,197 | (7,820) | - | (347,160)
Tariff refunds | (180,963) | (89,327) | 83,900 | (7,863) | - | (194,253)
Overcontracting | (238,416) | (22,166) | 173,087 | (5,774) | (74,854) | (168,123)
Others | 192 | (905) | 294 | (29) | - | (448)
| 582,288 | 515,934 | (490,877) | 41,625 | (277,265) | 371,705
Current assets | 421,184 |  |  |  |  | 355,570
Noncurrent assets | 257,635 |  |  |  |  | 118,419
Noncurrent liabilities | (96,531) |  |  |  |  | (102,284)

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