v3.24.3

Project debt, Details of project debt (Details) $ in Thousands, € in Millions |  | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 24, 2023 | Sep. 30, 2024 USD ($) Agreement Asset | Sep. 30, 2024 EUR (€) | Dec. 31, 2023 USD ($) | Mar. 31, 2023 EUR (€)
Project debt [Abstract] |  |  |  |  |
Cash held to satisfy non-recourse debt agreements |  | $ 183,000 |  | $ 177,000 |
Non-current |  | 3,852,892 |  | 3,931,873 |
Current |  | 395,451 |  | 387,387 |
Total Project debt |  | $ 4,248,343 |  | $ 4,319,260 |
Maturity date | February 24, 2028 |  |  |  |
Caparacena [Member] | Top of range [member] |  |  |  |  |
Project debt [Abstract] |  |  |  |  |
Project debt disposable value | € |  |  | € 6.3 |  |
PS10 and PS20 [Member] |  |  |  |  |
Project debt [Abstract] |  |  |  |  |
Project debt disposable value | € |  |  | € 38.7 |  |
Green Senior Notes [Member] |  |  |  |  |
Project debt [Abstract] |  |  |  |  |
Number of loan agreements | Agreement |  | 2 |  |  |
Number of assets refinanced | Asset |  | 2 |  |  |
Project debt financed amount | € |  |  |  |  | € 198.0
Maturity date |  | June 2037 |  |  |
PS10, PS20 and Caparacena [Member] |  |  |  |  |
Project debt [Abstract] |  |  |  |  |
Number of assets | Asset |  | 3 |  |  |

X
- Definition The amount of cash held to satisfy the customary requirements of certain non-recourse debt agreements. + References No definition available. + Details
Name: | aby_CashHeldForNonRecourseDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of current project debt issued at the project level under project finance. + References No definition available. + Details
Name: | aby_CurrentProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The current and non-current portions of project debt issued at the project level under project finance. + References No definition available. + Details
Name: | aby_LongTermAndShortTermProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The non-current portion of non-current project debt issued at the project level under project finance. + References No definition available. + Details
Name: | aby_NoncurrentPortionOfNoncurrentProjectDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of assets entered into financing agreement. + References No definition available. + Details
Name: | aby_NumberOfAssetsPartyToFinancingAgreement
Namespace Prefix: | aby_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of assets refinanced. + References No definition available. + Details
Name: | aby_NumberOfAssetsRefinanced
Namespace Prefix: | aby_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of loan agreements. + References No definition available. + Details
Name: | aby_NumberOfLoanAgreements
Namespace Prefix: | aby_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The refinanced amount of project debt. + References No definition available. + Details
Name: | aby_ProjectDebtAmountRefinanced
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The disposed or disposable amount of debt instruments of financing agreement. + References No definition available. + Details
Name: | aby_ProjectDebtDisposableValue
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The maturity of borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_7&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_BorrowingsMaturity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_DisclosureOfDetailedInformationAboutBorrowingsAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | ifrs-full_BusinessCombinationsAxis=aby_CaparacenaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=aby_PS10AndPS20Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=aby_GreenSeniorNotesTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=aby_PS10PS20AndCaparacenaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |