| Entracque Chro hydroelectric plant | 1.1 GW | Enel |
| Roncovalgrande hydroelectric plant | 1.0 GW | Enel |
| Presenzano hydroelectric plant | 985 MW | Enel |
| Edolo hydroelectric plant | 950 MW | Enel |
| Ostiglia power station | 890 MW | EP Produzione |
| Simeri Crichi power station | 885 MW | Edison |
| Torviscosa power station | 867 MW | Edison |
| Monfalcone power station | 860 MW | A2A |
| Turbigo power station | 855 MW | Iren Energia |
| Cassano D'Adda power station | 848 MW | A2A |
| Altomonte power station | 808 MW | Edison |
| Piacenza power station | 806 MW | A2A |
| Livorno Ferraris power station | 805 MW | EP Produzione Centrale Livorno Ferraris |
| Aprilia power station | 800 MW | Sorgenia |
| Bertonico - Turano Lodigliano power station | 800 MW | Sorgenia |
| Modugno power station | 800 MW | Sorgenia |
| Tavazzano power station | 800 MW | EP Produzione |
| Vado Ligure power station | 800 MW | Tirreno Power |
| Marghera Levante power station | 780 MW | Edison |
| Termini Imerese power station | 780 MW | Enel |
| Termoli power station | 769 MW | Metaenergia |
| Marghera Levante power station | 766 MW | Edison |
| Sermide power station | 766 MW | A2A |
| Presenzano Edison power station | 765 MW | Edison |
| Tavazzano power station | 765 MW | EP Produzione |
| Torrevaldaliga Sud power station | 760 MW | Tirreno Power |
| Chivasso power station | 753 MW | A2A |
| Grosio hydroelectric plant | 737 MW | A2A |
| Sarroch power station | 575 MW | Saras |
| Taranto CHP power station | 564 MW | Taranto Energia |
| Anapo hydroelectric plant | 500 MW | Enel |
| San Giacomo Sul Vomano hydroelectric plant | 490 MW | Enel |
| Priolo-Melili power station | 480 MW | Brown2Green Sicily |
| Turbigo power station | 430 MW | Iren Energia |
| San Severo Enplus power station | 421 MW | Enplus |
| Gissi power station | 420 MW | A2A |
| Gissi power station | 420 MW | A2A |
| Scandale power station | 407 MW | Ergosud |
| Scandale power station | 407 MW | Ergosud |
| Teverola power station | 404 MW | Repower |
| Candela power station | 401 MW | Edison |
| Moncalieri power station | 400 MW | Iren |
| Napoli Levante power station | 400 MW | Tirreno Power |
| Ponti sul Mincio power station | 400 MW | A2A |
| Roselectra power station | 400 MW | ENGIE |
| Voghera power station | 400 MW | Engie Italia |
| Ferrera Erbognone Refinery power station | 395 MW | Eni |
| Torino Nord power station | 395 MW | Iren Energia |
| Ravenna power station | 393 MW | Enipower |
| Ostiglia power station | 392 MW | EP Produzione |
| Ostiglia power station | 392 MW | EP Produzione |
| Santa Barbara power station | 392 MW | Enel |
| Enipower Mantova power station | 390 MW | Enipower Mantova |
| Enipower Mantova power station | 390 MW | Enipower Mantova |
| Sermide power station | 385 MW | A2A |
| Tavazzano power station | 385 MW | EP Produzione |
| Ostiglia power station | 384 MW | EP Produzione |
| Rizziconi power station | 384 MW | Rizziconi Energia |
| Rizziconi power station | 384 MW | Rizziconi Energia |
| Archimede power station | 383 MW | Enel Produzione |
| Brindisi Nord power station | 381 MW | Eni |
| Brindisi Nord power station | 381 MW | Eni |
| Brindisi Nord power station | 381 MW | Eni |
| Ferrera Erbognone Refinery power station | 381 MW | Eni |
| La Casella power station | 381 MW | Enel |
| La Casella power station | 381 MW | Enel |
| La Casella power station | 381 MW | Enel |
| La Casella power station | 381 MW | Enel |
| S.E.F. Ferrara power station | 381 MW | Società Enipower Ferrara |
| S.E.F. Ferrara power station | 381 MW | Società Enipower Ferrara |
| Leini power station | 380 MW | Engie Italia |
| Moncalieri power station | 380 MW | Iren |
| Ravenna power station | 380 MW | Enipower |
| Sparanise power station | 380 MW | Calenia Energia |
| Sparanise power station | 380 MW | Calenia Energia |
| Torrevaldaliga Sud power station | 380 MW | Tirreno Power |
| Santa Massenza hydroelectric plant | 377 MW | Dolomiti Energia |
| Chivasso power station | 370 MW | A2A |
| Porto Corsini power station | 368 MW | Enel Produzione |
| Pietrafitta power station | 365 MW | Enel |
| Archimede power station | 360 MW | Enel Produzione |
| Rosignano power station | 356 MW | Cogeneration Rosignano |
| Porto Corsini power station | 350 MW | Enel Produzione |
| Sulcis power station | 350 MW | Enel |
| Lanzada hydroelectric plant | 350 MW | Enel |
| La Spezia power station | 345 MW | Enel |
| La Spezia power station | 337 MW | Enel |
| Cimego hydroelectric plant | 335 MW | Dolomiti Energia |
| Venina hydroelectric plant | 327 MW | Edison |
| San Filippo del Mela power station | 320 MW | A2A Energiefuture |
| San Filippo del Mela power station | 320 MW | A2A Energiefuture |
| Fiume Santo power station | 320 MW | EP Produzione |
| Fiume Santo power station | 320 MW | EP Produzione |
| Montalto Di Castro power station | 305 MW | Enel |
| Montalto Di Castro power station | 305 MW | Enel |
| Galleto hydroelectric plant | 295 MW | Enel |
| Bargi hydroelectric plant (Italy) | 281 MW | Enel |
| Mese hydroelectric plant | 280 MW | A2A |
| San Fiorano hydroelectric plant | 268 MW | Enel |
| Sannazzaro Refinery power station | 260 MW | Eni |
| ISAB Energy Priolo power station | 256 MW | ISAB Energy |
| ISAB Energy Priolo power station | 256 MW | ISAB Energy |
| Fenix solar farm | 245 MW | Iberdrola |
| Premadio hydroelectric plant | 245 MW | A2A |
| Montalto Di Castro power station | 240 MW | Enel |
| Montalto Di Castro power station | 240 MW | Enel |
| Sulcis power station | 240 MW | Enel |
| Taloro hydroelectric plant | 240 MW | Enel |
| Azotati power station | 239 MW | Edison |
| Ferrera Erbognone Refinery power station | 230 MW | Eni |
| Servola power station | 230 MW | Finarvedi |
| Venaus hydroelectric plant | 230 MW | Enel |
| Fadalto hydroelectric plant | 220 MW | Enel |
| Somplago hydroelectric plant | 220 MW | A2A |
| Soverzene hydroelectric plant | 214 MW | Enel |
| Timpagrande hydroelectric plant | 214 MW | A2A |
| Piombino Steel Plant power station | 180 MW | — |
| Rosignano power station | 180 MW | Cogeneration Rosignano |
| San Floriano hydroelectric plant | 180 MW | Alperia |
| Naturno hydroelectric plant | 175 MW | Alperia |
| Tarquinia (Enel) solar farm | 170 MW | Enel Green Power |
| Mucone I hydroelectric plant | 169 MW | Enel |
| Taio-Santa Giustina hydroelectric plant | 161 MW | Edison |
| San Filippo del Mela power station | 160 MW | A2A Energiefuture |
| San Filippo del Mela power station | 160 MW | A2A Energiefuture |
| Taranto CHP power station | 160 MW | Taranto Energia |
| Taranto CHP power station | 160 MW | Taranto Energia |
| Taranto CHP power station | 160 MW | Taranto Energia |
| Milazzo power station | 155 MW | Raffineria di Milazzo |
| Orichella hydroelectric plant | 151 MW | A2A |
| Termini Imerese power station | 150 MW | Enel |
| Termini Imerese power station | 150 MW | Enel |
| Tuscania solar farm | 150 MW | KGAL Group |
| Pont Ventoux hydroelectric plant | 150 MW | Iren Energia |
| Livorno power station | 149 MW | Enipower |
| Mirafiori power station | 146 MW | Edison Next |
| Sondrio hydroelectric plant | 144 MW | Enel |
| Jesi power station | 140 MW | Edison |
| Valbasento power station | 140 MW | Tecnoparco Valbasento |
| Valbasento power station | 140 MW | Tecnoparco Valbasento |
| Verzuolo power station | 140 MW | Smurfit Kappa Group |
| Provvidenza hydroelectric plant | 139 MW | Enel |
| Buddusò-Alà Dei Sardi wind farm | 138 MW | Renantis (Falck Renewables) |
| San Quirico power station | 137 MW | Edison |
| Gargnano hydroelectric plant | 137 MW | Enel |
| Rosone Ceresole hydroelectric plant | 135 MW | Iren Energia |
| Lana hydroelectric plant | 132 MW | Alperia |
| Valpelline hydroelectric plant | 130 MW | CVA |
| Avise hydroelectric plant | 127 MW | CVA |
| Porto Viro power station | 125 MW | Edison |
| Entracque Rovina hydroelectric plant | 125 MW | Enel |
| Larino power station | 124 MW | Enel |
| Larino power station | 124 MW | Enel |
| Bussi power station | 122 MW | Edison |
| Tenaris Dalmine power station | 122 MW | Dalmine |
| Cardano hydroelectric plant | 121 MW | Alperia |
| Duino Mill power station | 120 MW | Burgo Group |
| Riva Del Garda hydroelectric plant | 117 MW | Dolomiti Energia |
| Capriati hydroelectric plant | 113 MW | Enel |
| Rossano power station | 112 MW | Enel |
| Rossano power station | 112 MW | Enel |
| Montorio hydroelectric plant | 110 MW | Enel |
| Torbole hydroelectric plant | 110 MW | Dolomiti Energia |
| Cassano D'Adda power station | 108 MW | A2A |
| Trapani power station | 107.8 MW | EP Produzione |
| Trapani power station | 107.8 MW | EP Produzione |
| Acerra Waste-to-Energy power station | 107.5 MW | A2A |
| Cassino power station | 106 MW | Serene |
| CTE Tamarete power station | 104 MW | Tamarete Energia |
| Mineo Militello Vizzini wind park | 101 MW | ERG |
| Seled Glorenza hydroelectric plant | 101 MW | Alperia |
| Falconara power station | 100 MW | Italiana Petroli |
| Novel power station | 100 MW | Alpiq Energia Italia |
| NuCe Sud power station | 99 MW | ERG |
| Monte Grighine wind farm | 99 MW | Greentech Energy Systems |
| Fossa Del Lupo wind farm | 98 MW | ERG SpA |
| Isola di Capo Rizzuto wind farm | 96 MW | Vent 1 Capo Rizzuto SRL |
| Ulassai wind farm | 96 MW | Sardeolica (Saras Group) |
| Terni power station | 95 MW | Edison |
| Boazzo hydroelectric plant | 95 MW | Dolomiti Energia |
| Italy Solar Farm 7 | 93.1 MW | Capital Dynamics Inc |
| Assemini power station | 90 MW | Enel |
| Assemini power station | 90 MW | Enel |
| Portoscuso wind farm | 90 MW | Enel Green Power |
| Bressanone hydroelectric plant | 90 MW | Alperia |
| Isola Serafini hydroelectric plant | 90 MW | Enel |
| St Anton hydroelectric plant | 90 MW | Eisackwerk |
| Avezzano Burgo power station | 88 MW | Burgo Group |
| Trino Solar | 87.5 MW | Enel Green Power SpA |
| Castelbello hydroelectric plant | 87 MW | Alperia |
| Hera Casalegno power station | 86 MW | Hera |
| Torre Antonacci solar farm | 86 MW | Margeruite Fund |
| Baschi hydroelectric plant | 86 MW | Enel |
| Brescia Waste-to-Energy power station | 85 MW | A2A |
| Ariano wind farm | 84 MW | Web Windenergie AG |
| Lercara Friddi wind farm | 84 MW | Alpiq AG |
| Rocca Rossa (Alpiq) wind farm | 84 MW | Alpiq AG |
| Castrocucco hydroelectric plant | 83 MW | Enel |
| Rosone Eugio hydroelectric plant | 82 MW | Iren Energia |
| Porto Marghera Refinery power station | 81 MW | Eni |
| Malpensa power station | 80 MW | A2A Airport Energy |
| Porto Empedocle power station | 80 MW | Enel Produzione |
| Guadalami hydroelectric plant | 80 MW | Enel |
| Savignano Irpino wind farm | 76 MW | Tozzi Sud SpA |
| Termoli power station | 75.2 MW | Metaenergia |
| Lamarmora power station | 75 MW | A2A |
| Melfi CHP power station | 74 MW | Metaenergia |
| Bonorva wind farm | 74 MW | Edison |
| Castellanza CHP power station | 73.6 MW | Metaenergia |
| Francofonte wind farm | 72 MW | — |
| Gravina di Puglia wind farm | 72 MW | Fri-El SpA |
| Sant Agata wind farm | 72 MW | Fri-El SpA |
| Sant’Agata Di Puglia (EDF) wind farm | 72 MW | EDF Renewables (法國電力再生能源公司) |
| Cedegolo hydroelectric plant | 72 MW | Edison |
| Brindisi Nord power station | 70 MW | Enipower |
| Brindisi Nord power station | 70 MW | Enipower |
| Gela Biorefinery power station | 70 MW | Eni Rewind |
| Gela Biorefinery power station | 70 MW | Eni Rewind |
| Gela Biorefinery power station | 70 MW | Eni Rewind |
| Gorizia CHP power station | 70 MW | Metaenergia |
| Porto Torres Refinery power station | 70 MW | Eni |
| Porto Torres Refinery power station | 70 MW | Eni |
| Emmezeta Solar Park Rovigo | 70 MW | First Reserve Corp / Vortex Energy (formerly Sun Edison) |
| Pontinia solar farm | 70 MW | Cero Generation |
| Andretta - Bisaccia wind farm | 70 MW | Edison SpA |
| Campidano (Alerion) wind farm | 70 MW | Alerion Clean Power |
| Campidano (EDF) wind farm | 70 MW | EDF Renewables (法國電力再生能源公司) |
| Ennese wind farm | 70 MW | Alpiq AG |
| Sant'Alessandro wind farm | 70 MW | EDPR Renewable Energy Sources of Greece 1 Sole Proprietorship |
| Sonnedix Cagliari solar farm | 69.5 MW | Sonnedix |
| Cadarese hydroelectric plant | 68 MW | Enel Green Power |
| Torrite hydroelectric plant | 67 MW | Enel Green Power |
| Codrongianos power station | 66 MW | Enel |
| Mazara del Vallo solar farm | 66 MW | ENGIE SA |
| Trapani Salemi wind farm | 66 MW | Engie Rinnovabili SpA |
| Winbis wind farm | 66 MW | Edison SpA |
| Turin-Gerbido Waste-to-Energy power station | 65 MW | Iren Group |
| Andonno hydroelectric plant | 65 MW | Enel Green Power |
| Lasa hydroelectric plant | 64 MW | Alperia |
| Monte Argento hydroelectric plant | 64 MW | Enel Green Power |
| Reggio Emilia New Energy Pole power station | 63 MW | Iren Energia |
| Troia solar farm | 63 MW | Iren Energia SpA |
| Mezzocorona hydroelectric plant | 63 MW | Edison |
| Bolgiano power station | 62 MW | Eni |
| Ascoli Satriano wind farm | 62 MW | ERG SpA |
| Ampezzo hydroelectric plant | 62 MW | A2A |
| Belviso hydroelectric plant | 62 MW | Edison |
| Piombino Elettra power staiton | 60 MW | Elettra Produzione |
| Fenix solar farm | 60 MW | Iberdrola |
| Tursi E Colobraro wind farm | 60 MW | PLT Energia SRL |