XML 312 R216.htm IDEA: XBRL DOCUMENT
v3.22.1

Other information about investments - Joint arrangements and associates - Plenitude & Power (Details) | 12 Months Ended |  |
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Dec. 31, 2021 USD ($) | Dec. 31, 2021 EUR (€) | Dec. 31, 2021 GBP (£) | Dec. 31, 2021 NOK (kr) | Dec. 31, 2020 EUR (€)
Joint arrangements and associates |  |  |  |  |
Share capital |  | € 4,005,000,000 |  |  | € 4,005,000,000
ENI SpA |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Share capital |  | 4,005,358,876 |  |  | € 4,005,358,876
Plenitude | Italy | Joint Arrangement Or Associate One [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | E-Prosume Srl (†) |  |  |  |
Registered office | Milan |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | 100,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate One [Member] | Evolvere Venture Spa |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 50.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate One [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 50.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Two [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Evogy Srl Società Benefit |  |  |  |
Registered office | Seriate (BG) |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | 11,785.71 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Two [Member] | Evolvere Venture Spa |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 45.45% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Two [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 54.55% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Three [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | GreenIT SpA (†) |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | 50,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Three [Member] | Eni gas e luce SpA SB |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 51.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Three [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 49.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Four [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Renewable Dispatching Srl |  |  |  |
Registered office | Milan |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | 200,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Four [Member] | Evolvere Venture Spa |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 40.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Four [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 60.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Five [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Tate Srl |  |  |  |
Registered office | Bologna |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | 408,509.29 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Five [Member] | Evolvere Venture Spa |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 36.00% |  |  |  |
Plenitude | Italy | Joint Arrangement Or Associate Five [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 64.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Bluebell Solar Class A Holdings II Llc |  |  |  |
Registered office | Wilmington (USA) |  |  |  |
Country of operation | USA |  |  |  |
Share capital | $ | $ 82,351,634 |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] | Eni New Energy US Inc |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 99.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 1.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Nine [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Clarensac Solar SAS |  |  |  |
Registered office | Meyreuil (France) |  |  |  |
Country of operation | France |  |  |  |
Share capital |  | 25,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Nine [Member] | Dhamma Energy SAS |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 40.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Nine [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 60.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Doggerbank Offshore Wind Farm Project 1 Holdco Ltd (†) |  |  |  |
Registered office | Reading (United Kingdom) |  |  |  |
Country of operation | United Kingdom |  |  |  |
Share capital | £ |  |  | £ 1,000 |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] | Eni North Sea Wind |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 20.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Ten [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 80.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Doggerbank Offshore Wind Farm Project 2 Holdco Ltd (†) |  |  |  |
Registered office | Reading (United Kingdom) |  |  |  |
Country of operation | United Kingdom |  |  |  |
Share capital | £ |  |  | £ 1,000 |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] | Eni North Sea Wind |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 20.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eleven [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 80.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Enera Conseil SAS(†) |  |  |  |
Registered office | Clichy (France) |  |  |  |
Country of operation | France |  |  |  |
Share capital |  | 9,690 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] | Eni G&P France SA |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 51.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Twelve [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 49.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Fotovoltaica Escudero SL |  |  |  |
Registered office | Valencia (Spain) |  |  |  |
Country of operation | Spain |  |  |  |
Share capital |  | 3,000 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] | Dhamma Energy Group |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 45.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Thirteen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 55.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Gas Distribution Company of Thessaloniki - Thessaly SA (†) |  |  |  |
Registered office | Ampelokipi-Menemeni (Greece) |  |  |  |
Country of operation | Greece |  |  |  |
Share capital |  | 247,127,605 |  |  |
Consolidation or valuation method | Co. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] | Eni gas e luce SpA SB |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 49.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fourteen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 51.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fifteen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Novis Renewables Holdings Llc |  |  |  |
Registered office | Wilmington (USA) |  |  |  |
Country of operation | USA |  |  |  |
Share capital | $ | $ 100 |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fifteen [Member] | Eni New Energy US Inc |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 49.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Fifteen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 51.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Sixteen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Novis Renewables Llc (†) |  |  |  |
Registered office | Wilmington (USA) |  |  |  |
Country of operation | USA |  |  |  |
Share capital | $ | $ 100 |  |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Sixteen [Member] | Eni New Energy US Inc |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 50.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Sixteen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 50.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Seven teen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | OVO Energy (France) SAS |  |  |  |
Registered office | Paris (France) |  |  |  |
Country of operation | France |  |  |  |
Share capital |  | 66,666.66 |  |  |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Seven teen [Member] | Eni gas e luce SpA SB |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 25.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Seven teen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 75.00% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight teen [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Vårgrønn AS (†) |  |  |  |
Registered office | Stavanger (Norway) |  |  |  |
Country of operation | Norway |  |  |  |
Share capital | kr |  |  |  | kr 100,000 |
Consolidation or valuation method | Eq. |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight teen [Member] | Eni Energy Solutions BV |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 69.60% |  |  |  |
Plenitude | Foreign (outside Italy) | Joint Arrangement Or Associate Eight teen [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 30.40% |  |  |  |
Power | Italy | Joint Arrangement Or Associate One [Member] |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
Company name | Società EniPower Ferrara Srl (†) |  |  |  |
Registered office | San Donato Milanese (MI) |  |  |  |
Country of operation | Italy |  |  |  |
Share capital |  | € 140,000,000 |  |  |
% Equity ratio | 51.00% |  |  |  |
Consolidation or valuation method | J.O. |  |  |  |
Power | Italy | Joint Arrangement Or Associate One [Member] | EniPower SpA |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 51.00% |  |  |  |
Power | Italy | Joint Arrangement Or Associate One [Member] | Third parties |  |  |  |  |
Joint arrangements and associates |  |  |  |  |
% Ownership | 49.00% |  |  |  |

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