v3.24.3

Corporate debt, Details of corporate debt (Details) $ / shares in Units, $ in Thousands, € in Millions |  |  | 9 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Feb. 24, 2023 USD ($) | Jul. 08, 2020 USD ($) | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2024 EUR (€) | Dec. 31, 2023 EUR (€) | Nov. 21, 2023 EUR (€) | Aug. 07, 2023 USD ($) | Aug. 07, 2023 EUR (€) | Feb. 24, 2023 EUR (€) | Jan. 31, 2022 USD ($) | Jan. 31, 2022 EUR (€) | May 18, 2021 USD ($) | Dec. 04, 2020 USD ($) | Dec. 04, 2020 EUR (€) | Jul. 29, 2020 USD ($) | Jul. 17, 2020 USD ($) $ / shares shares | Jul. 08, 2020 EUR (€) | Mar. 31, 2020 USD ($) | Mar. 31, 2020 EUR (€) | Oct. 08, 2019 USD ($) | Oct. 08, 2019 EUR (€) | May 10, 2018 USD ($) | Jul. 20, 2017 USD ($) | Jul. 20, 2017 EUR (€)
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate | 4.21% |  |  |  |  |  |  |  |  |  | 4.21% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt | $ 7,800 |  | $ 1,204,616 |  | $ 1,084,838 |  |  |  |  |  | € 7.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn |  |  | 169,259 | $ 110,803 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date | February 24, 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount |  |  |  |  |  |  |  |  | $ 16,700 | € 15.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt |  |  | 8,762 |  | 9,889 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn |  |  | $ 8,800 |  | 9,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | July 1, 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2017 Credit Facility [Member] | Top of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 11,100 | € 10.0
2017 Credit Facility [Member] | EURIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 2.00%
2017 Credit Facility [Member] | EURIBOR [Member] | Bottom of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 0.00%
2017 Credit Facility [Member] | SOFR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 2.00%
2017 Credit Facility [Member] | SOFR [Member] | Bottom of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 0.00%
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount |  |  | $ 450,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 215,000 |  |
Corporate debt |  |  | 115,515 |  | 54,688 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn |  |  | 115,000 |  | 55,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount available |  |  | $ 301,000 |  | 378,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | December 31, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Eurodollar Rate Loans [Member] | Bottom of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.60% |  |
Eurodollar Rate Loans [Member] | Top of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.25% |  |
Eurodollar Rate Loans [Member] | SOFR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.10% |  |
Base Rate Loans [Member] | Bottom of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.60% |  |
Base Rate Loans [Member] | Top of Range [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |
Base Rate Loans [Member] | SOFR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.00% |  |
Base Rate Loans [Member] | Federal Funds Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |
Letters of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility amount |  |  | $ 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount drawn |  |  | 34,000 |  | 17,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial Paper [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt |  |  | 77,627 |  | 25,691 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Short term notes issued amount |  |  | $ 77,600 |  | 25,700 | € 69.7 | € 24.0 | € 100.0 |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 56,000 | € 50.0 |  |  |
Term of short term notes |  |  | 2 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage average cost of issued short term notes |  |  | 4.82% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2020 Green Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 323,000 | € 290.0 |  |  |  |  |
Corporate debt |  |  | $ 322,072 |  | 318,842 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.96% | 1.96% |  |  |  |  |
Maturity date |  |  | June 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note Issuance Facility 2020 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate |  | 5.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.25% |  |  |  |  |  |  |
Credit facility amount |  | $ 156,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 140.0 |  |  |  |  |  |  |
Corporate debt |  |  | $ 154,068 |  | $ 152,356 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  |  |  |  | 4.00% |  | 4.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | December 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity period |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Note Issuance Facility 2020 [Member] | EURIBOR [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Variable interest period |  | 3 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to interest rate |  | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |
Interest capitalization period |  | 3 years 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Green Exchangeable Notes Due 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  |  |  |  |
Corporate debt |  |  | $ 113,346 |  | $ 112,128 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | July 15, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of notes issued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,000 | $ 100,000 |  |  |  |  |  |  |  |
Exchange rate of notes (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 29.107 |  |  |  |  |  |  |  |
Principal amount of notes for exchange rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |
Initial exchange price of notes (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 34.36 |  |  |  |  |  |  |  |
Amount of transaction date of fair value fair value are accounted for through the profit and loss statement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000 |  |  |  |  |  |  |  |
Bank Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% | 2.50% |  |  |  |  |  |  |  |  |  |
Corporate debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,600 | € 5.0 |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | December 4, 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  | 1.90% | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt |  |  |  |  |  |  |  |  |  |  |  | $ 5,600 | € 5.0 |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | January 31, 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Green Senior Notes Due 2028 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 400,000 |  |  |  |  |  |  |  |  |  |  |  |
Fixed interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.125% |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt |  |  | $ 401,731 |  | $ 396,927 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturity date |  |  | May 15, 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition The period over which the interest from debt is capitalized, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The principal amount of debt identified for the conversion ratio of debt securities where the ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. + References No definition available. + Details
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- Definition The price per share of the conversion feature embedded in the debt instrument. + References No definition available. + Details
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Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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- Definition The current and non-current portions of credit facilities with financial entities, notes and bonds received at the corporate parent level. + References No definition available. + Details
Name: | aby_LongTermAndShortTermCorporateDebt
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the credit facility. + References No definition available. + Details
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Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition The percentage average cost of issued short term notes. + References No definition available. + Details
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Data Type: | dtr-types:percentItemType
Balance Type: | na
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- Definition The cash inflow from credit facilities with financial entities, notes and bonds received at the corporate parent level. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References No definition available. + Details
Name: | aby_RemainingBorrowingCapacityLineOfCreditFacility
Namespace Prefix: | aby_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The term of long-term notes in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | aby_TermOfLongTermNotes
Namespace Prefix: | aby_
Data Type: | xbrli:durationItemType
Balance Type: | na
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