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Other information about investments - Subsidiaries - Plenitude & Power (Details)
12 Months Ended
Dec. 31, 2022
EUR (€)
Dec. 31, 2022
AUD ($)
Dec. 31, 2022
COP ($)
Dec. 31, 2022
KZT (₸)
Dec. 31, 2022
RON
Dec. 31, 2022
USD ($)
Dec. 31, 2021
EUR (€)
Subsidiaries              
Share capital € 4,005,000,000           € 4,005,000,000
ENI SpA              
Subsidiaries              
Share capital € 4,005,358,876           € 4,005,358,876
Plenitude | Italy | Subsidiaries One [Member]              
Subsidiaries              
Company name 4Energia Srl            
Registered office Milan            
Country of operation Italy            
Share capital € 400,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries One [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Two [Member]              
Subsidiaries              
Company name Agrikroton Srl - Società Agricola            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Two [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Three [Member]              
Subsidiaries              
Company name Borgia Wind Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Three [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Four [Member]              
Subsidiaries              
Company name Be Charge Srl            
Registered office Milan            
Country of operation Italy            
Share capital € 500,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Four [Member] | Be Power SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Five [Member]              
Subsidiaries              
Company name Be Charge Valle d'Aosta Srl            
Registered office Milan            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Five [Member] | Be Charge Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Six [Member]              
Subsidiaries              
Company name Be Power SpA            
Registered office Milan            
Country of operation Italy            
Share capital € 698,251            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Six [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 99.19%            
Plenitude | Italy | Subsidiaries Six [Member] | Third parties              
Subsidiaries              
% Ownership 0.81%            
Plenitude | Italy | Subsidiaries Seven [Member]              
Subsidiaries              
Company name CEF 3 Wind Energy SpA            
Registered office Milan            
Country of operation Italy            
Share capital € 101,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seven [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Eight [Member]              
Subsidiaries              
Company name CGDB Enrico Srl            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Eight [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Nine [Member]              
Subsidiaries              
Company name CGDB Laerte Srl            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Nine [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Ten [Member]              
Subsidiaries              
Company name Corridonia Energia Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 20,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Ten [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Eleven [Member]              
Subsidiaries              
Company name Dynamica Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 50,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Eleven [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twelve [Member]              
Subsidiaries              
Company name Ecoener Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twelve [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirteen [Member]              
Subsidiaries              
Company name Elettro Sannio Wind 2 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 1,225,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirteen [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fourteen [Member]              
Subsidiaries              
Company name Enerkall Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fourteen [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifteen [Member]              
Subsidiaries              
Company name Eni New Energy SpA            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 9,296,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifteen [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixteen [Member]              
Subsidiaries              
Company name Eni Plenitude SpA Società Benefit (former Eni gas e luce SpA Società Benefit)            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 770,000,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixteen [Member] | ENI SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventeen [Member]              
Subsidiaries              
Company name Eolica Pietramontecorvino Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventeen [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Eighteen [Member]              
Subsidiaries              
Company name Eolica Wind Power Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Eighteen [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Nineteen [Member]              
Subsidiaries              
Company name Eolo Energie - Corleone - Campofiorito Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Nineteen [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty [Member]              
Subsidiaries              
Company name Evolvere SpA Società Benefit            
Registered office Milan            
Country of operation Italy            
Share capital € 1,130,000            
% Equity ratio 70.52%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 70.52%            
Plenitude | Italy | Subsidiaries Twenty [Member] | Third parties              
Subsidiaries              
% Ownership 29.48%            
Plenitude | Italy | Subsidiaries Twenty One [Member]              
Subsidiaries              
Company name Evolvere Venture SpA            
Registered office Milan            
Country of operation Italy            
Share capital € 50,000            
% Equity ratio 70.52%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty One [Member] | Evolvere SpA Soc. Ben.              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Two [Member]              
Subsidiaries              
Company name Faren Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Two [Member] | SEF Green Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Three [Member]              
Subsidiaries              
Company name FAS Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 119,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Three [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Four [Member]              
Subsidiaries              
Company name Finpower Wind Srl            
Registered office Milan            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Four [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Five [Member]              
Subsidiaries              
Company name Fotovoltaica Pietramontecorvino Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Five [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Six [Member]              
Subsidiaries              
Company name FV4P Srl            
Registered office Forlì (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Six [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Seven [Member]              
Subsidiaries              
Company name Gemsa Solar Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Seven [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Eight [Member]              
Subsidiaries              
Company name GPC Uno Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 25,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Eight [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Twenty Nine [Member]              
Subsidiaries              
Company name GPC Due Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 12,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Twenty Nine [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty [Member]              
Subsidiaries              
Company name Green Parity Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty One [Member]              
Subsidiaries              
Company name Lugo Società Agricola Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty One [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Two [Member]              
Subsidiaries              
Company name Lugo Solar Tech Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Two [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Three [Member]              
Subsidiaries              
Company name Marano Solar Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Three [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Four [Member]              
Subsidiaries              
Company name Marano Solare Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Four [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Five [Member]              
Subsidiaries              
Company name Marcellinara Wind Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 35,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Five [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Six [Member]              
Subsidiaries              
Company name Micropower Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 30,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Six [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Seven [Member]              
Subsidiaries              
Company name Molinetto Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Seven [Member] | Faren Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Eight [Member]              
Subsidiaries              
Company name Montefano Energia Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 20,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Eight [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Thirty Nine [Member]              
Subsidiaries              
Company name Monte San Giusto Solar Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Thirty Nine [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty [Member]              
Subsidiaries              
Company name Olivadi Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty One [Member]              
Subsidiaries              
Company name Parco Eolico di Tursi e Colobraro Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 31,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty One [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Two [Member]              
Subsidiaries              
Company name Pescina Wind Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 50,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Two [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Three [Member]              
Subsidiaries              
Company name Pieve5 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Three [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Four [Member]              
Subsidiaries              
Company name PLT Energia Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 3,865,474            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Four [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Five [Member]              
Subsidiaries              
Company name PLT Engineering Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Five [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Six [Member]              
Subsidiaries              
Company name PLT Puregreen SpA            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 500,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Six [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Seven [Member]              
Subsidiaries              
Company name PLT Wind 2020 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 1,000,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Seven [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Eight [Member]              
Subsidiaries              
Company name PLT Wind 2022 SpA            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 1,000,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Eight [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Forty Nine [Member]              
Subsidiaries              
Company name Pollenza Sole Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 32,500            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Forty Nine [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty [Member]              
Subsidiaries              
Company name Ravenna 1 FTV Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty One [Member]              
Subsidiaries              
Company name RF-AVIO Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty One [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Two [Member]              
Subsidiaries              
Company name RF-Cavallerizza Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Two [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Three [Member]              
Subsidiaries              
Company name Ruggiero Wind Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Three [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Four [Member]              
Subsidiaries              
Company name SAV - Santa Maria Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Four [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Five [Member]              
Subsidiaries              
Company name SEA SpA            
Registered office L'Aquila            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Five [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Six [Member]              
Subsidiaries              
Company name SEF Green Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 500            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Six [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Seven [Member]              
Subsidiaries              
Company name SEF Miniwind Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 50,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Seven [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Eight [Member]              
Subsidiaries              
Company name SEF Solar Abruzzo Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Eight [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Fifty Nine [Member]              
Subsidiaries              
Company name SEF Solar II Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 1,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Fifty Nine [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty [Member]              
Subsidiaries              
Company name SEF Solar Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 120,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty One [Member]              
Subsidiaries              
Company name SEF Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 25,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty One [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Two [Member]              
Subsidiaries              
Company name Società Agricola Agricentro Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Two [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Three [Member]              
Subsidiaries              
Company name Società Agricola Casemurate Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Three [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Four [Member]              
Subsidiaries              
Company name Società Agricola Forestale Pianura Verde Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Four [Member] | Soc. Agr. Agricentro Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Five [Member]              
Subsidiaries              
Company name Società Agricola Isola d'Agri Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Five [Member] | SEF Solar Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Six [Member]              
Subsidiaries              
Company name Società Agricola L'Albero Azzurro Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Six [Member] | Soc. Agr. Agricentro Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Seven [Member]              
Subsidiaries              
Company name Società Agricola SEF Bio Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Seven [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Sixty Eight [Member]              
Subsidiaries              
Company name Società Energie Rinnovabili 1 SpA            
Registered office Rome            
Country of operation Italy            
Share capital € 120,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Eight [Member] | SER SpA              
Subsidiaries              
% Ownership 96.00%            
Plenitude | Italy | Subsidiaries Sixty Eight [Member] | CEF 3 Wind Energy              
Subsidiaries              
% Ownership 4.00%            
Plenitude | Italy | Subsidiaries Sixty Nine [Member]              
Subsidiaries              
Company name Società Energie Rinnovabili SpA            
Registered office Palermo            
Country of operation Italy            
Share capital € 121,636            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Sixty Nine [Member] | CEF 3 Wind Energy              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy [Member]              
Subsidiaries              
Company name Timpe Muzzunetti 2 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 2,500            
% Equity ratio 70.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 70.00%            
Plenitude | Italy | Subsidiaries Seventy [Member] | Third parties              
Subsidiaries              
% Ownership 30.00%            
Plenitude | Italy | Subsidiaries Seventy One [Member]              
Subsidiaries              
Company name Vivaro FTV Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy One [Member] | SEF Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Two [Member]              
Subsidiaries              
Company name VRG Wind 127 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Two [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Three [Member]              
Subsidiaries              
Company name VRG Wind 149 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Three [Member] | PLT Wind 2022 SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Four [Member]              
Subsidiaries              
Company name W-Energy Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 93,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Four [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Five [Member]              
Subsidiaries              
Company name Wind Park Laterza Srl            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Five [Member] | Eni New Energy SpA              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Six [Member]              
Subsidiaries              
Company name Wind Salandra Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 100,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Six [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Seven [Member]              
Subsidiaries              
Company name Windsol Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 3,250,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Seven [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Italy | Subsidiaries Seventy Eight [Member]              
Subsidiaries              
Company name Wind Turbines Engineering 2 Srl            
Registered office Cesena (FC)            
Country of operation Italy            
Share capital € 5,450,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Italy | Subsidiaries Seventy Eight [Member] | PLT Wind 2020 Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries One [Member]              
Subsidiaries              
Company name Adriaplin Podjetje za distribucijo zemeljskega plina doo Ljubljana            
Registered office Ljubljana (Slovenia)            
Country of operation Slovenia            
Share capital € 12,956,935            
% Equity ratio 51.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries One [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 51.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries One [Member] | Third parties              
Subsidiaries              
% Ownership 49.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Two [Member]              
Subsidiaries              
Company name Aleria Solar SAS            
Registered office Bastia (France)            
Country of operation France            
Share capital € 100            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Two [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Three [Member]              
Subsidiaries              
Company name Alpinia Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Three [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Four [Member]              
Subsidiaries              
Company name Anberia Invest SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Four [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Five [Member]              
Subsidiaries              
Company name Argon SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 180,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Five [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Six [Member]              
Subsidiaries              
Company name Arm Wind Llp            
Registered office Astana (Kazakhstan)            
Country of operation Kazakhstan            
Share capital | ₸       ₸ 19,069,100,000      
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Six [Member] | Eni En. Solutions BV              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seven [Member]              
Subsidiaries              
Company name Athies-Samoussy Solar PV1 SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 68,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seven [Member] | Krypton SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eight [Member]              
Subsidiaries              
Company name Athies-Samoussy Solar PV2 SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 40,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eight [Member] | Krypton SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Nine [Member]              
Subsidiaries              
Company name Athies-Samoussy Solar PV3 SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 36,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Nine [Member] | Krypton SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Ten [Member]              
Subsidiaries              
Company name Athies-Samoussy Solar PV4 SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 14,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Ten [Member] | Xenon SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eleven [Member]              
Subsidiaries              
Company name Athies-Samoussy Solar PV5 SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 14,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eleven [Member] | Xenon SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twelve [Member]              
Subsidiaries              
Company name Belle Magiocche Solaire SAS            
Registered office Bastia (France)            
Country of operation France            
Share capital € 10,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twelve [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirteen [Member]              
Subsidiaries              
Company name Bonete Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirteen [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fourteen [Member]              
Subsidiaries              
Company name Brazoria Class B Member Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           $ 1,000  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fourteen [Member] | Eni New Energy US Inc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifteen [Member]              
Subsidiaries              
Company name Brazoria County Solar Project Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           1,000  
% Equity ratio 89.27%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifteen [Member] | Brazoria HoldCo Llc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixteen [Member]              
Subsidiaries              
Company name Brazoria HoldCo Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           206,355,897.15  
% Equity ratio 89.27%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixteen [Member] | Brazoria Class B              
Subsidiaries              
% Ownership 89.27%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixteen [Member] | Third parties              
Subsidiaries              
% Ownership 10.73%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventeen [Member]              
Subsidiaries              
Company name Camelia Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventeen [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighteen [Member]              
Subsidiaries              
Company name Celtis Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighteen [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Nineteen [Member]              
Subsidiaries              
Company name Corazon Energy Class B Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           100  
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Nineteen [Member] | Eni New Energy US Inc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Nineteen [Member] | Third parties              
Subsidiaries              
% Equity ratio 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty [Member]              
Subsidiaries              
Company name Corazon Energy Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           100  
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty [Member] | Corazon Tax Eq. Part. Llc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty [Member] | Third parties              
Subsidiaries              
% Equity ratio 91.74%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty One [Member]              
Subsidiaries              
Company name Corazon Energy Services Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           100  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty One [Member] | Eni New Energy US Inc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Two [Member]              
Subsidiaries              
Company name Corazon Tax Equity Partnership Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           199,142,207.16  
% Equity ratio 91.74%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Two [Member] | Corazon En. Class B Llc              
Subsidiaries              
% Ownership 91.74%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Two [Member] | Third parties              
Subsidiaries              
% Ownership 8.26%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Three [Member]              
Subsidiaries              
Company name Corlinter 5000 SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Three [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Four [Member]              
Subsidiaries              
Company name Desarrollos Empresariales Illas SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Four [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Five [Member]              
Subsidiaries              
Company name Desarrollos Energéticos Riojanos SL            
Registered office Villarcayo de Merindad de Castilla la Vieja (Spain)            
Country of operation Spain            
Share capital € 876,042            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Five [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 60.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Five [Member] | Energias Amb. Outes              
Subsidiaries              
% Ownership 40.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Six [Member]              
Subsidiaries              
Company name Ecovent Parc Eolic SAU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 1,037,350            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Six [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Seven [Member]              
Subsidiaries              
Company name Ekain Renovables SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Seven [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Eight [Member]              
Subsidiaries              
Company name Energía Eólica Boreas SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Eight [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Nine [Member]              
Subsidiaries              
Company name Energías Ambientales de Outes SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 643,451.49            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Twenty Nine [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty [Member]              
Subsidiaries              
Company name Energías Alternativas Eolicas Riojanas SL            
Registered office Logroño (Spain)            
Country of operation Spain            
Share capital € 2,008,901.71            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 57.50%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty [Member] | Desarrollos Energéticos              
Subsidiaries              
% Ownership 42.50%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty One [Member]              
Subsidiaries              
Company name Eni Energy Solutions BV            
Registered office Amsterdam (Netherlands)            
Country of operation Netherlands            
Share capital € 20,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty One [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Two [Member]              
Subsidiaries              
Company name Eni Gas & Power France SA            
Registered office Levallois Perret (France)            
Country of operation France            
Share capital € 239,500,800            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Two [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 99.99%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Three [Member]              
Subsidiaries              
Company name Eni New Energy Australia Pty Ltd            
Registered office Perth (Australia)            
Country of operation Australia            
Share capital | $   $ 4          
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Three [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Four [Member]              
Subsidiaries              
Company name Eni New Energy Batchelor Pty Ltd            
Registered office Perth (Australia)            
Country of operation Australia            
Share capital | $   1          
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Four [Member] | Eni New En. Aus. Pty Ltd              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Five [Member]              
Subsidiaries              
Company name Eni New Energy Katherine Pty Ltd            
Registered office Perth (Australia)            
Country of operation Australia            
Share capital | $   1          
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Five [Member] | Eni New En. Aus. Pty Ltd              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Six [Member]              
Subsidiaries              
Company name Eni New Energy Manton Dam Pty Ltd            
Registered office Perth (Australia)            
Country of operation Australia            
Share capital | $   $ 1          
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Six [Member] | Eni New En. Aus. Pty Ltd              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member]              
Subsidiaries              
Company name Eni New Energy US Holding Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           100  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] | Eni New Energy US Inv. Inc              
Subsidiaries              
% Ownership 1.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Seven [Member] | Eni New Energy US Inc              
Subsidiaries              
% Ownership 99.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Eight [Member]              
Subsidiaries              
Company name Eni New Energy US Inc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           100  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Eight [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member]              
Subsidiaries              
Company name Eni New Energy US Investing Inc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           1,000  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Thirty Nine [Member] | Eni New Energy US Inc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty [Member]              
Subsidiaries              
Company name Eni Plenitude Iberia SLU (former Aldro Energía y Soluciones SLU)            
Registered office Santander (Spain)            
Country of operation Spain            
Share capital € 3,192,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty One [Member]              
Subsidiaries              
Company name Eni Plenitude Operations France SAS (former Dhamma Energy SAS)            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 1,116,489.72            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty One [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Two [Member]              
Subsidiaries              
Company name Eni Plenitude Renewables France SAS (former Dhamma Energy Development SAS)            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 51,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Two [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Three [Member]              
Subsidiaries              
Company name Eni Plenitude Renewables Hellas Single Member SA            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 627,464            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Three [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Four [Member]              
Subsidiaries              
Company name Eni Plenitude Renewables Luxembourg Sàrl (former Dhamma Energy Group Sàrl)            
Registered office Dudelange (Luxembourg)            
Country of operation Luxembourg            
Share capital € 10,253,560            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Four [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Five [Member]              
Subsidiaries              
Company name Eni Plenitude Renewables Spain SLU (former Dhamma Energy Management SLU)            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 6,680            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Five [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Six [Member]              
Subsidiaries              
Company name Eni Plenitude Rooftop France SAS (former Dhamma Energy Rooftop SAS)            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 40,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Six [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Seven [Member]              
Subsidiaries              
Company name Eolica Cuellar de la Sierra SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 110,999.77            
% Equity ratio 51.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Seven [Member] | PLT Spagna SL              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Eight [Member]              
Subsidiaries              
Company name Estanque Redondo Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Eight [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Nine [Member]              
Subsidiaries              
Company name Fotovoltaica Escudero SLU            
Registered office Valencia (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Forty Nine [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty [Member]              
Subsidiaries              
Company name Gas Supply Company Thessaloniki-Thessalia SA            
Registered office Thessaloniki (Greece)            
Country of operation Greece            
Share capital € 13,761,788            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty [Member] | Eni Plenitude Spa SB              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty One [Member]              
Subsidiaries              
Company name Guajillo Energy Storage Llc            
Registered office Dover (USA)            
Country of operation USA            
Share capital | $           $ 100  
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty One [Member] | Eni New Energy US H. Llc              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Two [Member]              
Subsidiaries              
Company name Guilleus Consulting SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Two [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Three [Member]              
Subsidiaries              
Company name Holding Lanas Solar Sàrl            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 100            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Three [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Four [Member]              
Subsidiaries              
Company name Inveese SAS            
Registered office Bogotà (Colombia)            
Country of operation Colombia            
Share capital | $     $ 100,000,000        
% Equity ratio 38.25%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Four [Member] | PLT Colombia SAS              
Subsidiaries              
% Ownership 75.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Four [Member] | Third parties              
Subsidiaries              
% Ownership 25.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Five [Member]              
Subsidiaries              
Company name Ixia Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Five [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Six [Member]              
Subsidiaries              
Company name Krypton SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 180,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Six [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member]              
Subsidiaries              
Company name Lanas Solar SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 100            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Seven [Member] | Holding Lanas Solar Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Eight [Member]              
Subsidiaries              
Company name Membrio Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Eight [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Nine [Member]              
Subsidiaries              
Company name Miburia Trade SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Fifty Nine [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty [Member]              
Subsidiaries              
Company name Olea Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty One [Member]              
Subsidiaries              
Company name Opalo Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty One [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Two [Member]              
Subsidiaries              
Company name Pistacia Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Two [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Three [Member]              
Subsidiaries              
Company name PLT Colombia SAS            
Registered office Bogotà (Colombia)            
Country of operation Colombia            
Share capital | $     510,840,000        
% Equity ratio 51.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Three [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 51.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Three [Member] | Third parties              
Subsidiaries              
% Ownership 49.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Four [Member]              
Subsidiaries              
Company name PLT Engineering Colombia SAS            
Registered office Bogotà (Colombia)            
Country of operation Colombia            
Share capital | $     $ 1,000,000        
% Equity ratio 60.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Four [Member] | PLT Engineering Srl              
Subsidiaries              
% Ownership 60.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Four [Member] | Third parties              
Subsidiaries              
% Ownership 40.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Five [Member]              
Subsidiaries              
Company name PLT Engineering Romania Srl            
Registered office Cluj-Napoca (Romania)            
Country of operation Romania            
Share capital | RON         RON 4,400    
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Five [Member] | PLT Engineering Srl              
Subsidiaries              
% Ownership 95.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Five [Member] | Micropower Srl              
Subsidiaries              
% Ownership 5.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Six [Member]              
Subsidiaries              
Company name PLT Engineering Spagna SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Six [Member] | PLT Engineering Srl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Seven [Member]              
Subsidiaries              
Company name PLT Spagna SL            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 100,000            
% Equity ratio 51.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Seven [Member] | PLT Energia Srl              
Subsidiaries              
% Ownership 51.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Seven [Member] | Third parties              
Subsidiaries              
% Ownership 49.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Eight [Member]              
Subsidiaries              
Company name POP Solar SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 1,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Eight [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Nine [Member]              
Subsidiaries              
Company name Punes Trade SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Sixty Nine [Member] | PLT Eng. Spagna SLU              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy [Member]              
Subsidiaries              
Company name SKGRPV1 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 14,600            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy One [Member]              
Subsidiaries              
Company name SKGRPV2 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 14,600            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy One [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Two [Member]              
Subsidiaries              
Company name SKGRPV3 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 14,600            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Two [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Three [Member]              
Subsidiaries              
Company name SKGRPV4 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 13,600            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Three [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Four [Member]              
Subsidiaries              
Company name SKGRPV5 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 13,600            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Four [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Five [Member]              
Subsidiaries              
Company name SKGRPV6 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,300            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Five [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Six [Member]              
Subsidiaries              
Company name SKGRPV7 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 31,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Six [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Seven [Member]              
Subsidiaries              
Company name SKGRPV8 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Seven [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Eight [Member]              
Subsidiaries              
Company name SKGRPV9 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Eight [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Nine [Member]              
Subsidiaries              
Company name SKGRPV10 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 18,800            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Seventy Nine [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty [Member]              
Subsidiaries              
Company name SKGRPV11 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 25,300            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty One [Member]              
Subsidiaries              
Company name SKGRPV12 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty One [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Two [Member]              
Subsidiaries              
Company name SKGRPV13 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 30,900            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Two [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Three [Member]              
Subsidiaries              
Company name SKGRPV14 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 39,900            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Three [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Four [Member]              
Subsidiaries              
Company name SKGRPV15 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Four [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Five [Member]              
Subsidiaries              
Company name SKGRPV16 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 19,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Five [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Six [Member]              
Subsidiaries              
Company name SKGRPV17 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 10,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Six [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member]              
Subsidiaries              
Company name SKGRPV18 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 5,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Seven [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Eight [Member]              
Subsidiaries              
Company name SKGRPV19 Single Member Private Company            
Registered office Athens(Greece)            
Country of operation Greece            
Share capital € 12,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Eight [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Nine [Member]              
Subsidiaries              
Company name SKGRPV20 Single Member Private Company            
Registered office Athens (Greece)            
Country of operation Greece            
Share capital € 12,200            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Eighty Nine [Member] | Eni Plen. Renew. Hellas              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety [Member]              
Subsidiaries              
Company name Tebar Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety One [Member]              
Subsidiaries              
Company name Xenon SAS            
Registered office Argenteuil (France)            
Country of operation France            
Share capital € 1,500,100            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety One [Member] | Eni Plen. Op. Fr. SAS              
Subsidiaries              
% Ownership 0.01%            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety One [Member] | Third parties              
Subsidiaries              
% Ownership 99.99%            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety Two [Member]              
Subsidiaries              
Company name Zinnia Solar SLU            
Registered office Madrid (Spain)            
Country of operation Spain            
Share capital € 3,000            
% Equity ratio 100.00%            
Consolidation or valuation method F.C.            
Plenitude | Foreign (outside Italy) | Subsidiaries Ninety Two [Member] | Eni Plen. Ren. Lux. Sàrl              
Subsidiaries              
% Ownership 100.00%            
Power | Italy | Subsidiaries One [Member]              
Subsidiaries              
Company name EniPower Mantova SpA            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 144,000,000            
% Equity ratio 44.12%            
Consolidation or valuation method F.C.            
Power | Italy | Subsidiaries One [Member] | EniPower SpA              
Subsidiaries              
% Ownership 86.50%            
Power | Italy | Subsidiaries One [Member] | Third parties              
Subsidiaries              
% Ownership 13.50%            
Power | Italy | Subsidiaries Two [Member]              
Subsidiaries              
Company name EniPower SpA            
Registered office San Donato Milanese (MI)            
Country of operation Italy            
Share capital € 200,000,000            
% Equity ratio 51.00%            
Consolidation or valuation method F.C.            
Power | Italy | Subsidiaries Two [Member] | ENI SpA              
Subsidiaries              
% Ownership 51.00%            
Power | Italy | Subsidiaries Two [Member] | Third parties              
Subsidiaries              
% Ownership 49.00%