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Declared
Official portrait of Mark Duffy
Photo: Houses of the Oireachtas

Politician · Senator · 27th Seanad

Mark Duffy

Fine Gael

Constituency / panel
Labour Panel
Membership
2025-01-29 → current
Committees
4 current — Joint Committee on Climate, Environment and Energy; Joint Committee on Transport; …
10
Declared items
2
CRO-matched interests
0
Awards to declared companies
173
Lobbying returns
Reports for 2017–2025 (party) and 2020–2022 (members)
0
SIPO donation records
185 of 221 divisions
84%
Vote participation

Lobbying returns

Returns filed on the Register of Lobbying, newest first, with the policy area and intended results as the lobbyist published them.

Register of Lobbying2026-05-21

Lobbying return by Wind Energy Ireland

Energy and Natural Resources
Intended results

Support for the passage of the Private Wires Bill 2025::Changes to the Private Wires Bill 2025 as will be finally drafted in line with Wind Energy Ireland's submission to the Pre-legislative Scrutiny:…

Register of Lobbying2026-05-21

Lobbying return by ESB

Energy and Natural Resources
Intended results

Seeking to broaden ESB’s powers in managing forestry in proximity to electricity infrastructure, thereby enhancing network resilience and reliability for customers.

Register of Lobbying2026-05-21

Lobbying return by Wind Energy Ireland

Housing
Intended results

General update on wind energy development in Ireland with a specific ask to increase investment in our planning system, especially An Coimisiún Pleanála and local authorities.

Register of Lobbying2026-05-21

Lobbying return by Autism Spectrum Information, Advice and Meeting Point Ltd, Trading as AsIAm

Health
Intended results

Understanding of and support for the programme for government commitment to the roll-out of Autism One-Stop Shop / Community Support Hubs

Register of Lobbying2026-05-21

Lobbying return by Sabrina Joyce-Kemper

Transport
Intended results

Identifying that the bill is not compliant with EU environmental law. https://www.oireachtas.ie/en/debates/debate/joint_committee_on_transport/2026-04-15/3/

Register of Lobbying2026-05-21

Lobbying return by Lir Communications Ltd

Energy and Natural Resources
Intended results

Request to meet to introduce Enel X and to discuss demand response in Ireland.

Derived link · Matched by exact company name

Published name "Lir Communications Ltd" equals CRO name "LIR COMMUNICATIONS LIMITED" (CRO 765391) after normalising legal forms such as Ltd = Limited. No other CRO company has this name. Names can be shared, so compare the address and dates on the CRO record.

Register of Lobbying2026-05-21

Lobbying return by Green Energy Storage Ireland Ltd

Energy and Natural Resources
Intended results

The letter was an introductory outreach letter from ESI to Senators on the Joint Committee on Climate, Environment and Energy. The overarching objective was to establish a relationship with a key political stakeholder and to open the door to formal engagement between ESI and the…

Derived link · Matched by exact company name

Published name "Green Energy Storage Ireland Ltd" equals CRO name "GREEN ENERGY STORAGE IRELAND LIMITED" (CRO 666904) after normalising legal forms such as Ltd = Limited. No other CRO company has this name. Names can be shared, so compare the address and dates on the CRO record.

Register of Lobbying2026-05-21

Lobbying return by Liquid Gas Ireland

Energy and Natural Resources
Intended results

Pre-engagement regarding Oireachtas Committee hearing, advocating for a mixed technology approach to retrofitting homes and an acknowledgement that LPG and rLG can play a significant role in Ireland's decarbonisation journey.

Derived link · Matched by name with added legal form

Published name "Liquid Gas Ireland" has no legal form. "LIQUID GAS IRELAND COMPANY LIMITED BY GUARANTEE" (CRO 89632) is the only CRO company with that name plus any legal form (Limited, DAC, UC, CLG, PLC or Teoranta). Confirm against the CRO record before relying on it.

Register of Lobbying2026-05-21

Lobbying return by SSE plc

Energy and Natural Resources
Intended results

For Grid upgrades to be taken into consideration in the context of critical infrastructure, so as to accelerate Ireland's deployment of renewable energy and to meet the State's future energy and economic needs.

Register of Lobbying2026-05-21

Lobbying return by SSE plc

Energy and Natural Resources
Intended results

Update on constituency projects and policy support to deliver much needed energy grid upgrades in the North West generally, so as to allow the deployment of renewable energy and enable future regional economic development.