| Great Island power station | 460 MW | SSE Thermal |
| Whitegate power station | 445 MW | Bord Gáis Energy |
| Aghada power station | 431 MW | Electricity Supply Board |
| Dublin Bay power station | 405 MW | Synergen Power |
| Huntstown power station | 404 MW | Energia Group |
| Tynagh power station | 404 MW | Tynagh Energy |
| Huntstown power station | 342 MW | Energia Group |
| Moneypoint power station | 305 MW | Electricity Supply Board |
| Moneypoint power station | 305 MW | Electricity Supply Board |
| Moneypoint power station | 305 MW | Electricity Supply Board |
| Turlough Hill hydroelectric plant | 292 MW | Electricity Supply Board |
| Shannonbridge power station | 264 MW | Electricity Supply Board |
| Poolbeg power station | 245 MW | Electricity Supply Board |
| Poolbeg power station | 245 MW | Electricity Supply Board |
| Clonfad solar farm | 175 MW | Statkraft AS |
| Microsoft Dublin Data Center power station | 167.2 MW | Microsoft Ireland Operations |
| Echelon DUB20 power station | 149.4 MW | Echelon Data Centres |
| Lysaghtstown solar farm | 131 MW | Power Capital Renewable Energy |
| Microsoft Dublin Data Center power station | 123.5 MW | Microsoft Ireland Operations |
| Grange Castle Echelon power station | 120 MW | Echelon Data Centres |
| Timahoe North solar farm | 108 MW | Bord na Móna PLC |
| Galway wind farm | 108 MW | SSE Renewables |
| Rathnaskillogue solar farm | 106 MW | Highfield Energy |
| Derrinlough wind farm | 105 MW | Bord na Móna PLC |
| Monksland power station | 100 MW | Greener Ideas |
| Profile Park power station | 100 MW | Greener Ideas |
| Grousemount wind farm | 100 MW | ESB Group |
| Yellow River wind farm | 100 MW | SSE Renewables |
| Echelon DUB20 power station | 99.6 MW | Echelon Data Centres |
| Rosspile solar farm | 95 MW | Highfield Energy |
| Meenadreen wind farm | 95 MW | Energia Renewables |
| Gaskinstown solar farm | 93 MW | Highfield Energy |
| Oweninny wind farm | 93 MW | ESB |
| Amazon Donegal wind farm | 91 MW | Amazon.com Inc |
| Ardderroo wind farm | 91 MW | Amazon |
| Meenbog wind farm | 91 MW | GLIL Infrastructure |
| Aghada power station | 90 MW | Electricity Supply Board |
| Aghada power station | 90 MW | Electricity Supply Board |
| Aghada power station | 90 MW | Electricity Supply Board |
| Cordal wind farm | 90 MW | Greencoat Renewables |
| Knockacummer wind farm | 88 MW | Greencoat Renewables |
| Sealrock power station | 85 MW | Aughinish Alumina |
| Sealrock power station | 85 MW | Aughinish Alumina |
| Ardnacrusha hydroelectric plant | 85 MW | ESB Group |
| Mount Lucas wind farm | 84 MW | Bord na Mona |
| Oweninny wind farm | 83 MW | ESB |
| Tullabeg solar farm | 81.6 MW | — |
| Echelon DUB10 power station | 81 MW | Echelon Data Centres |
| Echelon DUB10 power station | 81 MW | Echelon Data Centres |
| Garrenleen solar farm | 81 MW | Ørsted A/S |
| South Meath solar farm | 80.5 MW | Greencoat Renewables |
| Cloncreen wind farm | 76 MW | Bord na Mona |
| Microsoft Dublin Data Center power station | 73.8 MW | Microsoft Ireland Operations |
| Meentycat wind farm | 72 MW | SSE Renewables |
| Dublin Waste power station | 68 MW | Encyclis |
| Fidorfe solar farm | 68 MW | Octopus Renewables Infrastructure Trust PLC |
| Galway wind farm | 66 MW | SSE Renewables |
| Poolbeg power station | 65 MW | Electricity Supply Board |
| Ringsend Flexgen power station | 65 MW | Electricity Supply Board |
| Ballinrea solar farm | 65 MW | Ørsted A/S |
| Knockduff wind farm | 65 MW | GLIL Infrastructure |
| Corduff Flexgen power station | 63.5 MW | Electricity Supply Board |
| Echelon DUB10 power station | 62.4 MW | Echelon Data Centres |
| Ballinknockane solar farm | 61 MW | Neoen SA |
| Microsoft Dublin Data Center power station | 60.9 MW | Microsoft Ireland Operations |
| Winthrop Dublin power station | 59.4 MW | — |
| Sliabh Bawn wind farm | 58 MW | Greencoat Renewables |
| Moanvane wind farm | 57.6 MW | Statkraft |
| Boggeragh wind farm | 57 MW | Enerco Energy |
| Cushaling power station | 56 MW | Cushaling Power |
| Cushaling power station | 56 MW | Cushaling Power |
| Ballymacarney solar farm | 56 MW | Octopus Renewables Infrastructure Trust PLC |
| Cushaling wind farm | 56 MW | Statkraft |
| Castlelost Flexgen power station | 55 MW | Lumcloon Energy |
| Castlelost Flexgen power station | 55 MW | Lumcloon Energy |
| Castlelost Flexgen power station | 55 MW | Lumcloon Energy |
| Castlelost Flexgen power station | 55 MW | Lumcloon Energy |
| Castlelost Flexgen power station | 55 MW | Lumcloon Energy |
| Carrigdangan wind farm | 54 MW | Enerco Energy |
| Rhode power station | 52 MW | SSE Thermal |
| Rhode power station | 52 MW | SSE Thermal |
| Tawnaghmore power station | 52 MW | SSE Thermal |
| Tawnaghmore power station | 52 MW | SSE Thermal |
| Huntstown power station | 50 MW | Energia Group |
| Cappawhite A wind farm | 50 MW | ESB Group |
| Muckerstown solar farm | 48 MW | Octopus Renewables Infrastructure Trust PLC |
| Ballybane wind farm | 48 MW | Greencoat Renewables |
| Bindoo wind farm | 48 MW | SSE Renewables |
| Cloghboola wind farm | 46 MW | Gaelectric Developments Ltd |
| Kilgarvan wind farm | 45 MW | Ørsted A/S |
| Slievecallan West wind farm | 45 MW | GLIL Infrastructure |
| Cathaleen's Fall hydroelectric plant | 45 MW | ESB Group |
| Knocknagoum wind farm | 44 MW | GLIL Infrastructure |
| Leitir Guingaid wind farm | 44 MW | GLIL Infrastructure |
| Garracummer wind farm | 43 MW | Ørsted A/S |
| Magheramore wind farm | 43 MW | GLIL Infrastructure |
| Bruckana wind farm | 42 MW | Bord na Móna PLC |
| Castledockrell wind farm | 41 MW | Lanber Holdings |
| Clahane wind farm | 41 MW | Renewables Infrastructure Group LTD |
| Coomacheo wind farm | 41 MW | SSE Renewables |
| Edenberry power station | 38.4 MW | Bord na Móna |
| Poulaphuca hydroelectric plant | 38 MW | Electricity Supply Board |
| Boolynagleragh wind farm | 37 MW | GLIL Infrastructure |
| Carrowleagh wind farm | 37 MW | Union Investment |
| Tullahennel wind farm | 37 MW | GE Power |
| Glanaruddery wind farm | 36 MW | Greencoat Renewables |
| Glencarbry wind farm | 36 MW | Greencoat Renewables |
| Lisheen wind farm | 36 MW | Ørsted A/S |
| Monaincha wind farm | 36 MW | Greencoat Renewables |
| North Wall power station | 35 MW | Electricity Supply Board |
| North Wall power station | 35 MW | Electricity Supply Board |
| North Wall power station | 35 MW | Electricity Supply Board |
| North Wall power station | 35 MW | Electricity Supply Board |
| North Wall power station | 35 MW | Electricity Supply Board |
| North Wall power station | 35 MW | Electricity Supply Board |
| Glenough wind farm | 35 MW | ABO Wind AG |
| Knockalough wind farm | 35 MW | GLIL Infrastructure |
| Raheenleagh wind farm | 35 MW | Greencoat Renewables |
| Scartaglen wind farm | 35 MW | Bord Gáis Energy Ltd |
| Athea wind farm | 34 MW | SSE Renewables |
| Barranafaddock wind farm | 34 MW | BlackRock Inc |
| Cloghan wind farm | 34 MW | Greencoat Renewables |
| Castlepook wind farm | 33 MW | Coillte |
| Inchincoosh wind farm | 33 MW | Ørsted A/S |
| Irishtown solar farm | 32.6 MW | Octopus Renewables Infrastructure Trust PLC |
| Ballywater wind farm | 32 MW | Gaelectric Developments Ltd |
| Glanlee wind farm | 32 MW | Enerco Energy |
| Mountain Lodge wind farm | 32 MW | ESB Group |
| Sorne wind farm | 32 MW | Ørsted A/S |
| Harlockstown solar farm | 31.5 MW | Octopus Renewables Infrastructure Trust PLC |
| Kilsallaghan solar farm | 30 MW | Octopus Renewables Infrastructure Trust PLC |
| Lenalea wind farm | 30 MW | FuturEnergy Ireland |
| Lisheen wind farm | 28.8 MW | Ørsted A/S |
| Bunnyconnellan wind farm | 28 MW | — |
| Dromdeveen wind farm | 28 MW | — |
| Slievecallan East wind farm | 28 MW | — |
| Richfield wind farm | 27 MW | — |
| Garvagh Glebe wind farm | 26 MW | Coillte |
| Stacks Mountain wind farm | 25.3 MW | — |
| Ballylongford wind farm | 25.2 MW | — |
| Hortland solar farm | 25 MW | BNRG Renewables |
| Arklow Bank wind farm | 25 MW | — |
| Cahercullenagh wind farm | 25 MW | — |
| Killaveenoge wind farm | 25 MW | GLIL Infrastructure |
| Kingsmountain wind farm | 25 MW | — |
| Taurbeg wind farm | 25 MW | — |
| Monaraha solar farm | 24 MW | Statkraft AS |
| Ballycadden wind farm | 24 MW | Impax Asset Management Group PLC |
| Bawnmore wind farm | 24 MW | — |
| Glenmore wind farm | 24 MW | — |
| Lisheen wind farm | 24 MW | — |
| Amazon Cork wind farm | 23.2 MW | — |
| Beenanaspuck and Tobertoreen wind farm | 23.2 MW | — |
| Carrigcannon wind farm | 23 MW | Enercon |
| Esk wind farm | 23 MW | — |
| Kilathmoy wind farm | 23 MW | — |
| Knockawarriga wind farm | 23 MW | — |
| Taghart wind farm | 23 MW | — |
| Tullynahaw wind farm | 22 MW | — |
| Echelon DUB10 power station | 21 MW | Echelon Data Centres |
| Echelon DUB10 power station | 21 MW | Echelon Data Centres |
| Carrickallen wind farm | 21 MW | Greencoat Renewables |
| Booltiagh wind farm | 20 MW | — |
| Gortahile wind farm | 20 MW | HitecVision |
| Killala Community wind farm | 20 MW | — |
| Tournafulla wind farm | 20 MW | — |
| Woodhouse wind farm | 20 MW | — |
| Ballycumber wind farm | 19 MW | — |
| Buttevant wind farm | 19 MW | — |
| Raheen Barr wind farm | 19 MW | EcoPower |
| Hilltown solar farm | 18 MW | BNRG Renewables |
| Coollegrean wind farm | 18 MW | — |
| Currragh wind farm | 18 MW | — |
| Gweedore wind farm | 18 MW | — |
| Leanamore wind farm | 18 MW | — |
| Versicherungskammer wind farm | 17.5 MW | — |
| Meath power station | 17 MW | Indaver |
| Acres wind farm | 17 MW | — |
| Moneypoint wind farm | 17 MW | — |
| Old Mill wind farm | 17 MW | — |
| Sheskin wind farm | 16.8 MW | — |
| Grove Hill wind farm | 16.1 MW | — |
| Millvale solar farm | 15 MW | BNRG Renewables |
| Barnesmore wind farm | 15 MW | — |
| Cark wind farm | 15 MW | Octopus Renewables Ltd |
| Crossmore wind farm | 15 MW | — |
| Gartnaneane wind farm | 15 MW | — |
| Gibbet Hill wind farm | 15 MW | Union Investment |
| Glentanemacelligot wind farm | 15 MW | Greencoat Renewables |
| Grouse Lodge wind farm | 15 MW | — |
| Muingnaminnane wind farm | 15 MW | — |
| Tursillagh wind farm | 15 MW | — |
| Hortland PV solar project | 14 MW | — |
| Ballybay wind farm | 14 MW | Gaelectric Developments Ltd |
| Beam Hill wind farm | 14 MW | HitecVision |
| Black Lough wind farm | 14 MW | SMR International Windparks Ltd |
| Clahane wind farm | 14 MW | — |
| Letteragh wind farm | 14 MW | — |
| Snugborough wind farm | 14 MW | Platina Partners LLP |
| Tullabrack wind farm | 14 MW | — |
| Mauricetown wind farm | 13.8 MW | — |
| Lissycasey wind farm | 13.4 MW | — |
| Lee Strand wind farm | 13 MW | HitecVision |
| Milestone wind farm | 13 MW | SUSI Partners AG |
| Moanmore wind farm | 13 MW | — |
| Rathcahill wind farm | 13 MW | — |
| Airoshin wind farm | 12 MW | — |
| An Cnoc wind farm | 12 MW | — |
| Booltiagh wind farm | 12 MW | — |
| Carnsore wind farm | 12 MW | Electric Supply Board |
| Culliagh wind farm | 12 MW | — |
| Derragh wind farm | 12 MW | — |
| Tullynamoyle wind farm | 12 MW | — |
| Tullynamoyle wind farm | 12 MW | — |
| Cloghaneleskirt wind farm | 11.5 MW | — |
| Raragh 2 wind farm | 11.5 MW | BlackRock Investment Management |
| Clogheravaddy wind farm | 11 MW | — |
| Dunneill wind farm | 11 MW | — |
| Crossmore wind farm | 10.2 MW | — |
| Ballywater wind farm | 10 MW | — |
| Caherdowney wind farm | 10 MW | — |
| Corkermore wind farm | 10 MW | — |
| Dromadda Beg wind farm | 10 MW | — |
| Drumlough Hill wind farm | 10 MW | Energia Renewables |
| Gneeves wind farm | 10 MW | — |
| Meenwaun wind farm | 10 MW | — |
| Teevurcher wind farm | 10 MW | — |
| Macallian solar project | 9 MW | — |
| Blusheens solar farm | 8 MW | — |
| Ballydine solar project | 7.3 MW | — |
| Painestown Hill solar project | 7.1 MW | — |
| Dunderrow solar project | 6.6 MW | — |
| Coolroe solar farm | 5 MW | — |
| Coolyduff solar project | 5 MW | — |
| Crossfield solar project | 5 MW | — |
| Dromalour solar project | 5 MW | — |
| Drumgarriff South solar project | 5 MW | — |
| Shanagraigue solar project | 5 MW | — |
| Davidstown solar project | 4.9 MW | — |
| Beaulieu PV solar project | 4 MW | — |
| Castlekelly solar project | 4 MW | — |
| Courtown solar project | 4 MW | — |
| Curraghmartin solar farm | 4 MW | — |
| Knockglass solar project | 4 MW | — |
| Lehinch solar project | 4 MW | — |
| Lurrig solar project | 3.6 MW | — |
| County Monaghan solar project | 1 MW | — |
| Corrib Oil and Gas Field (Ireland) | — | — |