Esb Group (UK) Limited

Active04182868 Private limited company

Incorporated: 20 March 2001 (25 years)
Previously known as: Marchwood Power Development Limited (until 15 August 2016)
Industry: Production of electricity (35110)
Directors: William Young
Eoghan Paul O'Riordan
Gary Patrick Connolly
all 5 directors
Owned by: The Government of Ireland
Accounts type: Full
Region: Greater London
Address: Eastcastle House
27/28 Eastcastle Street
London
W1W 8DH

Filing status

Accounts due: 30 September 2027
Last accounts: 31 December 2025
Conf. stmt due: 26 September 2027
Last conf. stmt: 12 September 2026

Officers 6 active

Officer details are public data from the Companies House register.

Young, William

Director · Appointed 3 March 2025

Also at Esbii UK Limited

Irish

Born October 1978 (48)

O'Riordan, Eoghan Paul

Director · Appointed 6 January 2025

Also at Shetland Offshore Wind Limited, Esb Asset Development UK Limited, Esbii UK Limited · more companies

Irish

Born June 1982 (44)

Connolly, Gary Patrick

Director · Appointed 11 January 2023

Also at Shetland Offshore Wind Limited, Esb Asset Development UK Limited, Esb Solar (Northern Ireland) Limited · more companies

Irish

Born April 1970 (56)

Walshe, Stephen Patrick

Director · Appointed 6 January 2022

Also at Esb Asset Development UK Limited, Esbii UK Limited · more companies

Irish

Born November 1975

Kinsman, Caitriona

Director · Appointed 14 January 2019

Also at Esbii UK Limited · more companies

Irish

Born December 1970 (55)

Corcoran, Brendan

Secretary · Appointed 1 March 2017

Officer history (44 former)

2 September 2025

Resigned Conry, Michael as Director

3 March 2025

Appointed Young, William as Director

4 February 2025

Resigned O'Hiceadha, Padraig as Director

4 February 2025

Resigned Mcgregor, Iain as Director

6 January 2025

Appointed O'Riordan, Eoghan Paul as Director

31 March 2023

Appointed Conry, Michael as Director

31 March 2023

Resigned Pope, Glenn as Director

11 January 2023

Appointed Connolly, Gary Patrick as Director

11 January 2023

Appointed Mcgregor, Iain as Director

16 June 2022

Resigned Phelan, Donal as Director

16 June 2022

Appointed Pope, Glenn as Director

6 January 2022

Appointed Walshe, Stephen Patrick as Director

6 March 2020

Resigned Healy, John as Director

6 March 2020

Resigned Fogarty, Mark as Director

6 March 2020

Appointed O'Hiceadha, Padraig as Director

6 March 2020

Appointed Phelan, Donal as Director

6 March 2020

Resigned Sinnott, Marie as Director

6 March 2020

Resigned Colleran, Senan as Director

1 August 2019

Appointed Sinnott, Marie as Director

1 August 2019

Resigned Redmond, John as Director

14 January 2019

Resigned Haverty, Edel as Director

14 January 2019

Appointed Kinsman, Caitriona as Director

14 January 2019

Appointed Fogarty, Mark as Director

14 January 2019

Resigned Kelly, Adrian as Director

14 January 2019

Appointed Colleran, Senan as Director

14 January 2019

Resigned Smith, Paul Gerard as Director

1 May 2017

Appointed Smith, Paul Gerard as Director

1 May 2017

Appointed Kelly, Adrian as Director

1 May 2017

Resigned Brogan, Oliver as Director

1 May 2017

Resigned Heron, Lorna as Director

1 May 2017

Appointed Redmond, John as Director

1 March 2017

Appointed Corcoran, Brendan as Secretary

1 March 2017

Resigned Healy, John as Secretary

22 April 2015

Appointed Haverty, Edel as Director

29 January 2015

Appointed Healy, John as Secretary

29 January 2015

Resigned O'Brien, Victoria as Secretary

26 January 2015

Resigned O'Brien, Victoria as Director

26 January 2015

Appointed Healy, John as Director

1 July 2014

Resigned Tallon, Gerry as Director

1 July 2014

Appointed Heron, Lorna as Director

31 December 2013

Appointed O'Brien, Victoria as Secretary

31 December 2013

Resigned O'Brien, Michael as Secretary

18 December 2013

Appointed O'Brien, Victoria as Director

18 December 2013

Resigned O'Brien, Michael as Director

17 February 2011

Appointed Tallon, Gerry as Director

17 February 2011

Resigned Kennelly, Aisling as Director

25 June 2008

Resigned Dollard, James Patrick as Director

25 June 2008

Appointed O'Brien, Michael as Director

25 June 2008

Appointed Kennelly, Aisling as Director

25 June 2008

Resigned Redmond, John as Director

21 June 2007

Appointed Brogan, Oliver as Director

21 June 2007

Resigned Ward, Suzanne as Director

21 June 2007

Appointed Dollard, James Patrick as Director

1 April 2007

Resigned Fenlon, Patrick as Director

31 December 2006

Resigned Mcnamara, Kevin as Director

28 September 2005

Appointed Ward, Suzanne as Director

28 September 2005

Resigned Markey, Ann as Director

30 January 2004

Appointed Markey, Ann as Director

30 January 2004

Appointed Redmond, John as Director

30 January 2004

Appointed Fenlon, Patrick as Director

30 January 2004

Appointed O'Brien, Michael as Secretary

30 January 2004

Appointed Mcnamara, Kevin as Director

30 January 2004

Resigned Poehling, Robert Lee as Director

30 January 2004

Resigned Ashley Secretaries Limited as Corporate Secretary

30 January 2004

Resigned Shumway, Neal as Director

1 June 2003

Appointed Poehling, Robert Lee as Director

1 June 2003

Resigned Jonagan, Mike as Director

13 February 2003

Resigned Camyab, Azad, Dr. as Director

13 February 2003

Resigned Nelson, Sushil, Dr as Director

13 February 2003

Appointed Shumway, Neal as Director

13 February 2003

Appointed Jonagan, Mike as Director

13 February 2003

Resigned Costanza, Frank Bruce as Director

30 August 2002

Appointed Camyab, Azad, Dr. as Director

30 August 2002

Appointed Nelson, Sushil, Dr as Director

30 August 2002

Appointed Ashley Secretaries Limited as Corporate Secretary

30 August 2002

Appointed Costanza, Frank Bruce as Director

30 August 2002

Resigned Mcardle, Janine Marie as Director

30 August 2002

Resigned Shealy, Brock Allison as Director

30 August 2002

Resigned Keeling, Julia Vera as Secretary

30 August 2002

Resigned Colley, Carole Ann as Secretary

8 August 2002

Resigned Mills, Edward Kirkpatrick as Director

7 January 2002

Appointed Mcardle, Janine Marie as Director

7 January 2002

Appointed Shealy, Brock Allison as Director

7 January 2002

Resigned Michnowski, Jeffrey as Director

7 January 2002

Resigned Stamm, Keith Gerard as Director

25 June 2001

Appointed Keeling, Julia Vera as Secretary

20 March 2001

Appointed Michnowski, Jeffrey as Director

20 March 2001

Resigned Rm Nominees Limited as Corporate Nominee Director

20 March 2001

Appointed Stamm, Keith Gerard as Director

20 March 2001

Appointed Rm Nominees Limited as Corporate Nominee Director

20 March 2001

Appointed Mills, Edward Kirkpatrick as Director

20 March 2001

Resigned Rm Registrars Limited as Corporate Nominee Secretary

20 March 2001

Appointed Colley, Carole Ann as Secretary

20 March 2001

Appointed Rm Registrars Limited as Corporate Nominee Secretary

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

The Government of Ireland

Corporate entity · Notified 6 April 2016

Owns 75–100% of shares

A Government Governed By Irish Law

Reg. no. Not Applicable

Group structure 41 shown

Ownership group derived from the Companies House PSC register

Esb Group (UK) Limited This company

Esb Asset Development UK Limited Owns 75–100% of shares

Blarghour Wind Farm Limited Owns 25–50% of shares

Cambrian Renewable Energy Limited Owns 25–50% of shares

Coolkeeragh Esb Limited Owns 75–100% of shares

Crockagarran Wind Farm Ltd Owns 75–100% of shares

Curryfree Wind Farm Limited Owns 75–100% of shares

Devon Wind Power Limited Owns 75–100% of shares

Esb Solar (Northern Ireland) Limited Owns 75–100% of shares

Facility Management UK Limited Owns 75–100% of shares

Garvary Wind Farm Limited Owns 25–50% of shares

Glendye Wind Farm Limited Owns 25–50% of shares

Hunter's Hill Wind Farm Limited Owns 75–100% of shares

Reg Greenburn Limited Has significant influence or control

Reg Knockodhar Limited Has significant influence or control

Esb Innovation UK Limited Owns 75–100% of shares

Esb Retail GB Limited Owns 75–100% of shares

Esb Energy Limited Owns 75–100% of shares

So Energy Limited Owns 75–100% of shares

Esbii UK Limited Owns 75–100% of shares

Aldeburgh Offshore Wind Holdings Limited Owns 25–50% of shares

Aldeburgh Offshore Wind Investments Limited Owns 75–100% of shares

Carrington Power Limited Owns 75–100% of shares

Chleansaid Wind Farm Limited Owns 75–100% of shares

Craigneil Wind Farm Limited Owns 75–100% of shares

Gwynt Glas (Esb) Holding Company Ltd Owns 75–100% of shares

Gwynt Glas Offshore Wind Farm Limited Owns 25–50% of shares

Highland Wind Farm Limited Owns 25–50% of shares

Inch Cape Offshore Holdings Limited Owns 25–50% of shares

Inch Cape Offshore Holdings 2 Limited Owns 75–100% of shares

Knottingley Power Limited Owns 75–100% of shares

Lewis Wind Power Holdings Limited Owns 25–50% of shares

Stornoway Wind Farm Limited Owns 75–100% of shares

Malin Sea Wind Limited Owns 75–100% of shares

Millmoor Rig Wind Farm Limited Owns 75–100% of shares

NNG Windfarm Holdings Limited Owns 25–50% of shares

Neart NA Gaoithe Offshore Wind Limited Holds 75–100% of voting rights

Onshore Wind Development Holdco (UK) Limited Owns 75–100% of shares

Shetland Offshore Wind Limited Owns 75–100% of shares

West Durham Windfarm Limited Owns 75–100% of shares

And 1 more

Planet 9 Energy Limited Owns 75–100% of shares

Filings 188

Date	Description	Made Up To
14 September 2026	Confirmation statement with updates	12 September 2026
18 August 2026	Full accounts	31 December 2025
26 May 2026	Statement of capital following an allotment of shares
23 February 2026	Statement of capital following an allotment of shares
19 December 2025	Statement of capital following an allotment of shares