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Contract assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Notes and other explanatory information [abstract] |
Schedule of summary of contract assets |
Schedule of summary of contract assets |  |
| 12.31.2023 | 12.31.2022
Power distribution service concession (10.1) | 2,201,958 | 2,332,171
Piped gas distribution service concession (10.2) | - | 30,032
Power transmission concession (10.3) | 5,403,103 | 5,310,476
| 7,605,061 | 7,672,679
Current | 284,616 | 220,660
Noncurrent | 7,320,445 | 7,452,019
Schedule of power distribution service concession contract |
Schedule of power distribution service concession contract |  |  |
Consolidated | Assets | Special liabilities | Total
Balance as of January 1, 2022 | 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
Acquisitions | 2,305,311 | - | 2,305,311
Customers contributions | - | (339,277) | (339,277)
Transfers to intangible assets (Note 17.1) | (1,888,949) | 273,071 | (1,615,878)
Transfers to accounts receivable - concessions (Note 9.1) | (507,401) | 56,151 | (451,250)
Other transfers | (12,391) | - | (12,391)
Loss on disposal | (16,728) | - | (16,728)
Balance as of December 31, 2023 | 2,284,966 | (83,008) | 2,201,958
Schedule of piped gas distribution service concession contract |
Schedule of piped gas distribution service concession contract |
Balance as of January 1, 2022 | 29,815
Acquisitions | 13,955
Transfers to intangible assets (Note 17.3) | (13,738)
Balance as of December 31, 2022 | 30,032
Acquisitions | 25,510
Transfers to intangible assets (Note 17.3) | (11,503)
Reclassification (a) | (44,039)
Balance as of December 31, 2023 | -
(a) Reclassification to Assets classified as held for sale (Note 39). |
Schedule of transmission service concession contract |
Schedule of transmission service concession contract |  |  |
| Concession assets | RBSE assets | Total
Balance as of January 1, 2022 | 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
Loss from inefficiency (10.3.1) | 56,142 | - | 56,142
Balance as of December 31, 2022 | 3,894,276 | 1,416,200 | 5,310,476
Realization of gains/losses in business combinations | 722 | - | 722
Transfers to electricity grid use charges - customers | (423,851) | (294,975) | (718,826)
Transfers to property, plant and equipment | (4,086) | - | (4,086)
Transfers from litigations | (458) | - | (458)
Remuneration | 521,308 | 194,722 | 716,030
Construction revenue | 85,181 | - | 85,181
Construction income | 1,410 | - | 1,410
Gain from efficiency (10.3.1) | 12,654 | - | 12,654
Balance as of December 31, 2023 | 4,087,156 | 1,315,947 | 5,403,103
Schedule of assumptions adopted for the calculation of contract assets |
Schedule of assumptions adopted for the calculation of contract assets |  |  |  |  |  |
. |  |  | 12.31.2023 |  |  | 12.31.2022
| Concession assets | RBSE assets | Concession assets | RBSE assets
| Financial | Economic | Financial | Economic
Construction margin | 1.65% | N/A | N/A | 1.65% | N/A | N/A
Operating and maintenance margin | 1.65% | N/A | N/A | 1.65% | N/A | N/A
Remuneration rate (a) | 9.60% p.a. | 8.11% p.a. | 11.10% p.a. | 9.58% p.a. | 8.11% p.a. | 11.10% p.a.
Contract correction index | IPCA (b) | IPCA | IPCA | IPCA (b) | IPCA | IPCA
Annual RAP, according to Ratifying Resolution (c) | 574,028 | 201,158 | 157,525 | 523,713 | 91,276 | 151,560
(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.
(c) increase in the RAP financial portion of RBSE assets, due to the re-profiling defined by Aneel Homologatory Resolution No. 2,847/2021.

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