Name:	elp_PaymentsToEnergyGeneratorsAndTransmitters
Namespace Prefix:	elp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Percentage ratio of remaining balance

+ References

No definition available.

+ Details

Name:	elp_PercentageRatioOfRemainingBalance
Namespace Prefix:	elp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of concession agreements interest

+ References

No definition available.

+ Details

Name:	elp_ProportionOfInterestInConcessionAgreementsOrAuthorizations
Namespace Prefix:	elp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Transfer of assets and liabilities

+ References

No definition available.

+ Details

Name:	elp_TransferOfAssetsAndLiabilities
Namespace Prefix:	elp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_CurrentInvestments
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2024-01-01
-Paragraph B64
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2024-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 17
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2024-01-01
-Paragraph 16
-Subparagraph b
-Clause iii
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard
-URIDate 2024-03-27

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2024-01-01
-Paragraph 19B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_19B_c&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ProportionOfOwnershipInterestInSubsidiary
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_CopelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_CopelGeTMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_UEGAraucariaLtdaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_CompanhiaParanaenseDeGasCompagasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MaturityAxis=elp_Sep2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_MaturityAxis=elp_Sep2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_MauaHydroelectricPowerPlantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=elp_MataDeSantaGenebraTransmissaoSAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Assets held for sale and Discontinued operations (Details Narrative) - BRL (R$) R$ in Thousands		1 Months Ended	12 Months Ended
	Jul. 01, 2024	Jul. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Sep. 16, 2024	Sep. 30, 2023
Disclosure of subsidiaries [line items]
Investment disposal	R$ 261,355		R$ 47,066	R$ 58,132	R$ 0
Payments to energy generators and transmitters			365,000
Contingent liabilities			2,807,918	R$ 3,073,462
Copel [Member]
Disclosure of subsidiaries [line items]
Percentage of voting equity interests acquired							81.20%
Current investments							R$ 290,662
Proportion of ownership interest in subsidiary		20.30%
Copel Ge T [Member]
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary		60.90%
UEG Araucaria Ltd [Member]
Disclosure of subsidiaries [line items]
Transfer of assets and liabilities			14,504
Companhia Paranaense de Gas Compagas [Member]
Disclosure of subsidiaries [line items]
Percentage of voting equity interests acquired						40.00%
Percentage of concession agreements interest		51.00%
Investment received						R$ 906,000
Transfer of assets and liabilities			R$ 455,842
Companhia Paranaense de Gas Compagas [Member] \| Sep-2025 [Member]
Disclosure of subsidiaries [line items]
Percentage ratio of remaining balance			30.00%
Companhia Paranaense de Gas Compagas [Member] \| Sep-2026 [Member]
Disclosure of subsidiaries [line items]
Percentage ratio of remaining balance			30.00%
Mauá hydroelectric power plant [Member]
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary			49.00%
Mata de Santa Genebra Transmissao S A [Member]
Disclosure of subsidiaries [line items]
Proportion of ownership interest in subsidiary			49.90%