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Other information - Additional Information (Details) Item in Thousands, € in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 Number Item GW MW | Dec. 31, 2020 EUR (€) Number | Dec. 31, 2022 EUR (€)
Other information |  |  |
Consideration transferred, acquisition-date fair value | € |  | € 112 | € 1,667
Evolvere |  |  |
Other information |  |  |
Equity interest acquired (as a percent) |  | 70.00% |
Consideration transferred, acquisition-date fair value | € |  | € 97 |
Cash and cash equivalents in subsidiary or businesses acquired or disposed | € |  | 3 |
Companies holding authorization rights for wind projects |  |  |
Other information |  |  |
Consideration transferred, acquisition-date fair value | € |  | € 12 |
Number of companies acquired |  | 3 |
Number of wind projects to be constructed in Puglia |  | 3 |
Aldro Energa Y Soluciones SLU |  |  |
Other information |  |  |
Equity interest acquired (as a percent) | 100.00% |  |
Number of retail customers | Item | 250 |  |
FRI-EL Biogas Holding SpA |  |  |
Other information |  |  |
Equity interest acquired (as a percent) | 100.00% |  |
Number of plants owned | 21 |  |
Power generating capacity, existing or in advanced development | MW | 2 |  |
Portfolio Of Thirteen Onshore Wind Facilities |  |  |
Other information |  |  |
Power generating capacity, existing or in advanced development | MW | 315 |  |
Dhamma Energy Group |  |  |
Other information |  |  |
Power generating capacity, existing or in advanced development | MW | 120 |  |
Power generating capacity, projected | GW | 3 |  |
Portfolio Of Nine Renewable Energy Projects |  |  |
Other information |  |  |
Power generating capacity, existing or in advanced development | GW | 0.9 |  |
Power generating capacity, projected | MW | 234 |  |
Number of wind farms in operation | 3 |  |
Number of wind farms under construction | 1 |  |
Number of photovoltaic projects | 5 |  |
Finproject SpA |  |  |
Other information |  |  |
Equity interest acquired (as a percent) | 60.00% | 40.00% |
Be Power |  |  |
Other information |  |  |
Equity interest acquired (as a percent) | 100.00% |  |
Number of charging points | 6,000 |  |

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