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Declared
Official portrait of Darragh O'Brien
Photo: Houses of the Oireachtas

Politician · TD · 34th Dáil

Darragh O'Brien

Fianna Fáil

Constituency / panel
Dublin Fingal East
Membership
2024-11-29 → current
Office
Minister for Environment, Climate and Communications (2025-01-23 → 2025-06-01)
Office
Minister for Climate, Energy and the Environment (2025-06-02 → current)
Office
Minister for Transport (2025-06-02 → current)
Office
Minister for Transport (2025-01-23 → 2025-06-01)
0
Declared items
0
CRO-matched interests
0
Awards to declared companies
3830
Lobbying returns
Reports for 2017–2025 (party) and 2020–2022 (members)
1
SIPO donation records
302 of 422 divisions
72%
Vote participation

Check it yourself

Lobbying returns

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

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AreaAll 3830Housing 860Energy and Natural Resources 319Transport 285Environment 282Health 254Economic Development and Industry 234Budgetary matters 174Justice and Equality 131Agriculture 118Development and Zoning 117Finance 107Local Government 105Education and Training 91Foreign Affairs 85Children and Youth Affairs 80Community 71EU Affairs 67Taxation 63Tourism 55Employment 53Public Expenditure and Reform 42Trade 39Heritage 38Communications 32Social Protection 32Banking and Financial Institutions 30Marine 25Sports and Recreation 18Arts 12Gaeltacht 7Defence 2Food 2
YearAll 3192026 1332025 952024 152023 202022 222021 132020 142019 22017 12016 4
Register of Lobbying2026-05-19

Lobbying return by Kestrel Energy Storage DAC

Energy and Natural Resources
Intended results

The aim is to build awareness and secure support in principle for Kestrel as part of Ireland’s energy security and Net Zero transition. Kestrel supports Ireland’s energy security by reusing the Ballycotton gas field for large-scale gas storage, helping establish a strategic gas…

Derived link · Matched by exact company name

Published name "Kestrel Energy Storage DAC" equals CRO name "KESTREL ENERGY STORAGE DESIGNATED ACTIVITY COMPANY" (CRO 745143) 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 Lobbying2026-05-19

Lobbying return by Fennell Public Affairs Limited

Energy and Natural Resources
Intended results

To mark the centenary of the commencement of construction of Ardnacrusha and to highlight the contribution of Siemens Energy in supporting Ireland to achieve national climate action and renewable energy targets.

Derived link · Matched by exact company name

Published name "Fennell Public Affairs Limited" equals CRO name "FENNELL PUBLIC AFFAIRS LIMITED" (CRO 561994) 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 Lobbying2026-05-19

Lobbying return by Cork Chamber

Energy and Natural Resources
Intended results

The allocation of funding for the completion of the ongoing DMAP process to provide a clear route to market and line of sight for the development of future phases of offshore renewable infrastructure.

Register of Lobbying2026-05-19

Lobbying return by Trifecta Energy

Energy and Natural Resources
Intended results

Engaged around preparations for the EU Presidency.

Derived link · Matched by name with added legal form

Published name "Trifecta Energy" has no legal form. "TRIFECTA ENERGY COMPANY LIMITED BY GUARANTEE" (CRO 784941) 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 Lobbying2026-05-19

Lobbying return by Trifecta Energy

Energy and Natural Resources
Intended results

Meeting focused on energy security, grid development, EU coordination, and electrification.

Derived link · Matched by name with added legal form

Published name "Trifecta Energy" has no legal form. "TRIFECTA ENERGY COMPANY LIMITED BY GUARANTEE" (CRO 784941) 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 Lobbying2026-05-18

Lobbying return by Pinnacle Public Affairs Ltd

Energy and Natural Resources
Intended results

To inform key stakeholders regarding the impact of the fuel blockades on energy supply and security in the State

Derived link · Matched by exact company name

Published name "Pinnacle Public Affairs Ltd" equals CRO name "PINNACLE PUBLIC AFFAIRS LIMITED" (CRO 679235) 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 Lobbying2026-05-18

Lobbying return by Codling Wind Park Limited

Energy and Natural Resources
Intended results

To brief and engage with key stakeholders on the proposed project, including details of the development, mitigation of relevant industry challenges including the implementation of ORESS terms and conditions, general economic benefits of the development and the Community Benefit…

Derived link · Matched by exact company name

Published name "Codling Wind Park Limited" equals CRO name "CODLING WIND PARK LIMITED" (CRO 358470) 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 Lobbying2026-05-18

Lobbying return by Perigus Energy

Energy and Natural Resources
Intended results

To inform TDs and officials of upcoming sale of Orsted Onshore Europe (HQ in Cork) to Copenhagen Infrastructure Partners and of the upcoming change of name, to ensure stakeholder awareness that the continuity of our energy infrastructure delivery and commitment to Ireland would…

Register of Lobbying2026-05-17

Lobbying return by Valero Energy (Ireland) Limited

Energy and Natural Resources
Intended results

To highlight the importance of a realistic target for renewable fuels and the impact of EU trade measures on US-origin renewable fuels

Derived link · Matched by exact company name

Published name "Valero Energy (Ireland) Limited" equals CRO name "VALERO ENERGY (IRELAND) LIMITED" (CRO 7246) 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 Lobbying2026-05-12

Lobbying return by ENERGY CLOUD Company Limited by Guarantee (CLG)

Energy and Natural Resources
Intended results

Request of the Minister to announce a strategy to begin using surplus renewable energy to help those in energy poverty

Register of Lobbying2026-05-12

Lobbying return by DCC Energy plc

Energy and Natural Resources
Intended results

To outline the impact of including HVO alongside diesel in emergency fuel supports.

Derived link · Matched by exact company name

Published name "DCC Energy plc" equals CRO name "DCC ENERGY PUBLIC LIMITED COMPANY" (CRO 54858) 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.