| Requirement for Temporary Emergency Generation - 200MWCompetitive Dialogue | EirGrid plc | ESB Generation and Wholesale Markets | | €678,489,571 |
| Bespoke Panel Agreement for the Provision of Accommodation Services and Related Services for Persons Seeking International ProtectionOpen Procedure | Department of Children Disability and Equality | Bridgestock Care Limited and 13 others | | €500,000,000 |
| The N5 Ballaghaderreen to Scramoge Road ProjectRestricted Procedure | Roscommon County Council | Wills Bros Limited | | €259,823,500 |
| Contract for the delivery of an integrated mixed tenure residential development at Oscar Traynor Road, Dublin.Competitive Dialogue | Dublin City Council | Glenveagh Living Limited | | €213,584,839 |
| Request for Tender for the provision of a Team of ICT Technical Resources to provide Operational Support Services to An Garda Síochána (IPS015C) | The Office of Government Procurement | Accenture Limited | | €200,000,000 |
| Request for Tender for the provision of a Team of ICT Technical Resources to provide Operational Support Services to An Garda Síochána (IPS015C)Open Procedure | An Garda Síochána | Accenture Limited | | €200,000,000 |
| Selection of Supplier for Turbine Supply Contract for Derrinlough Wind FarmCompetitive Procedure With Negotiation | Bord na Móna PLC | Vestas | | €108,050,216 |
| SIGNALLING & TELECOMMUNICATIONS UPGRADE (DESIGN & BUILD) FOR THE CORK AREA COMMUTER RAIL (CACR) PROJECT.Competitive Procedure With Negotiation | Iarnród Eireann-Irish Rail | Alstom Transport | | €78,499,190 |
| Acute Inpatient Ward (96-bed) Block at University Hospital Limerick (UHL)Restricted Procedure | Health Service Executive (HSE) | John Sisk & Son (Holdings) Limited | | €76,161,553 |
| Limerick to Foynes Line Track & Civils ConstructionCompetitive Procedure With Negotiation | Iarnród Eireann-Irish Rail | John Sisk & Son (Holdings) Limited | | €64,967,398 |
| ITC014F-01-009 Competition for WAN Connectivity for OGCIO Category 1Direct Invite – Mini-Competition | Office of the Government Chief Information Officer | Gas Networks Ireland | | €57,130,800 |
| ITC014F-01-009 Competition for WAN Connectivity for OGCIO Category 1Direct Invite – Mini-Competition | Office of the Government Chief Information Officer | Virgin Media Ireland Limited | | €57,130,800 |
| Provision of Public Bus Services on the Eastern Coastal Commuter CorridorRestricted Procedure | National Transport Authority | Bus Eireann | | €52,555,823 |
| Programme Integration Team Services in Relation to the BusConnects ProgrammeOpen Procedure | National Transport Authority | Ernst and Young | | €50,000,000 |
| Managed Cleaning ServicesCompetitive Procedure With Negotiation | Iarnród Eireann-Irish Rail | Ocs One Complete Solution Limited | | €49,863,349 |
| Mini-competition for the Supply of Natural Gas to Central Government, Local Authority and Security Services SectorDirect Invite – Mini-Competition | The Office of Government Procurement | Bord Gais Energy Limited | | €43,779,077 |
| Provision Of Contact Centre Services Including Associated Software SolutionsCompetitive Procedure With Negotiation | National Transport Authority | Capita Customer Solutions Limited | | €42,000,000 |
| MC for X64 Compute (Servers) and Storage Devices (Backup Devices) for HEAnetDirect Invite – Mini-Competition | Asiera CLG | PFH Technology Group Limited | | €40,000,000 |
| Civil Balance of Plant for Derrinlough Wind FarmCompetitive Procedure With Negotiation | Bord na Móna PLC | BAM Contractors Limited | | €40,000,000 |
| Provision of Public Bus Services on Routes W4 Tallaght - Blanchardstown & W6 Tallaght - MaynoothRestricted Procedure | National Transport Authority | Go-Ahead Transport Services (Dublin) Limited | | €29,648,660 |
| DART + PROGRAMME BEMU INFRASTRUCTURE PROJECTCompetitive Procedure With Negotiation | Iarnród Eireann-Irish Rail | Alstom Transport | | €27,991,696 |
| Housing Construction at Crokers Hill, Kennyswell Road, Kilkenny CityOpen Procedure | Kilkenny County Council | Ormonde Construction Limited | | €26,769,580 |
| Diesel Engine Overhaul Service AgreementCompetitive Procedure With Negotiation | Iarnród Eireann-Irish Rail | Engine Remanufacturing | | €25,735,330 |
| ISW018F-1-047 - SRFT for Microsoft Licensing Services on behalf of the Local Government Management AgencyDirect Invite – Mini-Competition | Local Government Management Agency | Micromail Limited | | €25,397,482 |
| Legal Services for Aircraft Noise Competent AuthorityCompetitive Procedure With Negotiation | Fingal County Council | AandL Goodbody LLP | | €25,000,000 |