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Contract assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Contract assets [abstract] |
Schedule of summary of contract assets |
Schedule of summary of contract assets |  |
| 12.31.2022 | 12.31.2021
Power distribution service concession (10.1) | 2,332,171 | 1,798,195
Piped gas distribution service concession (10.2) | 30,032 | 29,815
Power transmission concession (10.3) | 5,310,476 | 5,060,038
| 7,672,679 | 6,888,048
Current | 220,660 | 148,488
Noncurrent | 7,452,019 | 6,739,560
Schedule of power distribution service concession contract |
Schedule of power distribution service concession contract |  |  |
| Assets | Special liabilities | Total
Balance as of January 1, 2021 | 1,144,780 | (29,819) | 1,114,961
Acquisitions | 1,798,266 | - | 1,798,266
Customers contributions | - | (160,826) | (160,826)
Transfers to intangible assets (Note 17.1) | (943,905) | 122,346 | (821,559)
Transfers to accounts receivable - concessions (Note 9.1) | (140,120) | 14,628 | (125,492)
Loss on disposal | (7,155) | - | (7,155)
Balance as of December 31, 2021 | 1,851,866 | (53,671) | 1,798,195
Acquisitions | 2,092,117 | - | 2,092,117
Customers contributions | - | (243,916) | (243,916)
Transfers to intangible assets (Note 17.1) | (1,332,118) | 194,794 | (1,137,324)
Transfers to accounts receivable - concessions (Note 9.1) | (197,912) | 29,840 | (168,072)
Loss on disposal | (8,829) | - | (8,829)
Balance as of December 31, 2022 | 2,405,124 | (72,953) | 2,332,171
Schedule of piped gas distribution service concession contract |
Schedule of piped gas distribution service concession contract |
Balance as of January 1, 2021 | 27,254
Acquisitions | 14,269
Transfers to intangible assets (Note 17.3) | (3,398)
Transfers to accounts receivable - concessions (Note 9.2) | (8,310)
Balance as of December 31, 2021 | 29,815
Acquisitions | 13,955
Transfers to intangible assets (Note 17.3) | (13,738)
Balance as of December 31, 2022 | 30,032
Schedule of transmission service concession contract |
Schedule of transmission service concession contract |  |  |
| Concession assets | RBSE assets | Total
Balance as of January 1, 2021 | 3,007,234 | 1,343,348 | 4,350,582
Realization of gains/losses in business combinations | 722 | - | 722
Transfers to electricity grid use charges - customers | (315,358) | (250,520) | (565,878)
Transfers to property, plant and equipment | (1,483) | - | (1,483)
Transfers from litigations | 3,376 | - | 3,376
Remuneration | 621,366 | 242,872 | 864,238
Construction revenue | 187,733 | - | 187,733
Construction income | 3,097 | - | 3,097
Loss from inefficiency(10.3.1) | 125,699 | 91,952 | 217,651
Balance as of December 31, 2021 | 3,632,386 | 1,427,652 | 5,060,038
Realization of gains/losses in business combinations | 721 | - | 721
Transfers to electricity grid use charges - customers | (389,939) | (213,378) | (603,317)
Transfers to property, plant and equipment | (3,822) | - | (3,822)
Transfers from litigations | (1,558) | - | (1,558)
Remuneration | 509,722 | 201,926 | 711,648
Construction revenue | 89,166 | - | 89,166
Construction income | 1,458 | - | 1,458
Gain from efficiency(10.3.1) | 56,142 | - | 56,142
Balance as of December 31, 2022 | 3,894,276 | 1,416,200 | 5,310,476
Schedule of assumptions adopted for the calculation of contract assets |
Schedule of assumptions adopted for the calculation of contract assets |  |  |  |
. |  | 12.31.2022 |  | 12.31.2021
| Concession assets | RBSE assets | Concession assets | RBSE assets
Construction margin | 1.65% | N/A | 1.65% | N/A
Operating and maintenance margin | 1.65% | N/A | 1.65% | N/A
Remuneration rate (a) | 9.58% p.a. | 9.45% p.a. | 9.56% p.a. | 9.54% p.a.
Contract correction index | IPCA (b) | IPCA | IPCA (b) | IPCA
Annual RAP, according to Ratifying Resolution | 523,713 | 242,836 | 456,499 | 192,288
(a) | Average rate of contracts
(b) | Contract 075/2001 - LT 230 kV Bateias - Jaguariaíva, from Copel GET, and contract 002/2005 - LT 525 kV Ivaiporã - Londrina, from Uirapuru, are adjusted by the IGPM.

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