EirGrid plc

EirGrid plc is the Irish state-owned transmission system operator (TSO) responsible for managing and developing the electricity transmission grid in Ireland, and is part of the Single Electricity Market with SONI in Northern Ireland.[2] Its core functions include grid planning and investment, system operation, market facilitation, and procuring services and infrastructure to ensure security of supply and enable renewable integration.[2] Procurement spans major capital works (substations, overhead lines, cables, synchronous condensers), system services under the DS3 programme, energy supply, ICT and telecoms, professional and technical consultancy, and corporate support services.[2][1][5] As a regulated utility and contracting entity under the sectoral procurement regime, it publishes tenders and awards through eTenders and EU-Supply for both works and professional services.[3][6]

Strategic Context

EirGrid is implementing long-term capital and operational programmes to support Ireland’s energy transition, including the DS3 Programme to enable high levels of variable renewable generation and associated system services contracts.[2][5] It is actively procuring new renewable integration technologies such as synchronous condensers and low-carbon inertia services at multiple sites (Sligo, Galway, Kerry, Wexford) to maintain system stability at higher renewable penetrations.[1][8] Recent procurement activity also includes large energy supply frameworks (e.g. Green Electricity for EirGrid) and specialist credit management services, indicating substantial ongoing operational expenditure alongside grid-investment capex.[3]

Typical Suppliers

Specialist grid infrastructure and electrical engineering contractors delivering substations, synchronous condensers, and related high-voltage works for DS3 and other grid development projects.[1][2][8]
Generators and energy suppliers providing green electricity and ancillary services under sectoral contract awards (e.g. ENQEIR952 – Green Electricity for EirGrid).[[3]]
Professional services firms delivering technical, financial and operational support such as FASS credit management, advisory, and related corporate services.[3]
System services providers under DS3 (e.g. providers of reserve, response, inertia and other ancillary services) contracted through DS3 system services frameworks and awards.[2][5]
ICT, control systems and telecoms vendors supporting grid control centres, market systems, and operational technologies, as evidenced by utilities-sector contract awards on EU-Supply.[6]

Supplier Tips

Register on eTenders and the EU-Supply platform, search under EirGrid’s authority ID and sectoral notices, and closely monitor DS3 and grid development-related procurements, as many high-value opportunities (system services, synchronous condensers, green electricity, professional services) are published there.[3][6]
Align offerings with EirGrid’s strategic focus on secure, low-carbon system operation (DS3 and renewable integration); emphasise capability in grid stability technologies, flexible system services, and sustainability credentials, and be prepared to demonstrate technical compliance with TSO standards and regulatory requirements.[2][1][5]
Engage early by tracking EirGrid news and programme documentation (e.g. DS3 updates and integration technology announcements) to anticipate upcoming competitions and tailor bids to emerging needs in areas such as inertia services, grid reinforcement, and specialist support services.[1][2][8]

Updated 12 July 2026

The most recent EirGrid plc tenders subscribers were alerted to: