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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers are those entities, including individual and legal persons, have significant controls over the company in focus. The offspring entities and appointments are those entities that the company in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Active 4
  • 1
    Halladay, Graham Roy
    Born in April 1966
    Individual (16 offsprings)
    Officer
    icon of calendar 2019-01-14 ~ now
    OF - Director → CIF 0
  • 2
    Hollis, Katie Suzanne
    Individual (70 offsprings)
    Officer
    icon of calendar 2024-05-31 ~ now
    OF - Secretary → CIF 0
  • 3
    Pettifer, Darren
    Born in April 1980
    Individual (23 offsprings)
    Officer
    icon of calendar 2023-12-15 ~ now
    OF - Director → CIF 0
  • 4
    MEASURER LIMITED - 1988-05-26
    HYDER INDUSTRIAL GROUP LIMITED - 2004-06-25
    SOUTH WALES ELECTRICITY GENERATING LIMITED - 2000-04-14
    SOUTH WALES ELECTRICITY GENERATING (CYNHYRCHU TRYDAN DE CYMRU) LIMITED - 1990-10-22
    WESTERN POWER DISTRIBUTION INVESTMENTS LIMITED - 2022-09-20
    SOUTH WALES ELECTRICITY GENERATING (CYNHYRCHU TRYDAM DE CYMRU) LIMITED - 1988-06-08
    icon of addressAvonbank, Feeder Road, Bristol, England
    Active Corporate (4 parents, 7 offsprings)
    Person with significant control
    icon of calendar 2016-04-06 ~ now
    PE - Right to appoint or remove directorsCIF 0
    PE - Ownership of shares – 75% or moreCIF 0
    PE - Ownership of voting rights - 75% or moreCIF 0
Ceased 20
  • 1
    Saunders, Charles Philip
    Company Director born in April 1952
    Individual
    Officer
    icon of calendar 1995-09-21 ~ 1999-10-01
    OF - Director → CIF 0
  • 2
    Yeo, Simon Mark
    Income Manager born in October 1965
    Individual (1 offspring)
    Officer
    icon of calendar 2017-07-28 ~ 2019-01-15
    OF - Director → CIF 0
  • 3
    Shinner, Michael
    Electrical Engineer born in June 1947
    Individual (1 offspring)
    Officer
    icon of calendar 1996-07-31 ~ 2001-05-31
    OF - Director → CIF 0
  • 4
    Foster, Stephen Alan Thomas
    Individual
    Officer
    icon of calendar ~ 1993-09-30
    OF - Secretary → CIF 0
  • 5
    Sleightholm, Alison Jane
    Regulation And Corporate Director born in October 1963
    Individual (3 offsprings)
    Officer
    icon of calendar 2022-10-07 ~ 2023-12-15
    OF - Director → CIF 0
  • 6
    Cox, Mark Richard
    Individual (4 offsprings)
    Officer
    icon of calendar 2023-06-16 ~ 2024-05-31
    OF - Secretary → CIF 0
  • 7
    Sellers, John Ernest
    Accountant born in May 1943
    Individual
    Officer
    icon of calendar 1994-12-08 ~ 1995-09-21
    OF - Director → CIF 0
  • 8
    Spiller, John
    Chief Engineer born in December 1939
    Individual
    Officer
    icon of calendar 1994-11-10 ~ 1995-09-21
    OF - Director → CIF 0
  • 9
    Oosthuizen, Daniel Charl Stephanus
    Chartered Accountant born in May 1957
    Individual (16 offsprings)
    Officer
    icon of calendar 1999-10-01 ~ 2018-03-31
    OF - Director → CIF 0
  • 10
    Williams, Ian Robert
    Finance Director born in January 1970
    Individual (6 offsprings)
    Officer
    icon of calendar 2018-04-01 ~ 2022-07-31
    OF - Director → CIF 0
  • 11
    Smyth, Robert Charles
    Accountant born in May 1955
    Individual
    Officer
    icon of calendar 2004-03-01 ~ 2017-07-28
    OF - Director → CIF 0
  • 12
    Edmunds, Robin David
    Individual (3 offsprings)
    Officer
    icon of calendar 1993-09-30 ~ 2000-01-31
    OF - Secretary → CIF 0
  • 13
    Bonner, John Albert Gordon
    Engineer born in October 1942
    Individual
    Officer
    icon of calendar ~ 1995-09-21
    OF - Director → CIF 0
  • 14
    Carson, Malcolm James, Dr
    Engineer born in October 1938
    Individual
    Officer
    icon of calendar ~ 1995-09-21
    OF - Director → CIF 0
  • 15
    Swindells, Brian James
    Generation Manager born in May 1944
    Individual (3 offsprings)
    Officer
    icon of calendar ~ 1996-01-20
    OF - Director → CIF 0
  • 16
    Masood, Tariq
    Project Manager born in December 1957
    Individual (5 offsprings)
    Officer
    icon of calendar 2001-06-01 ~ 2004-02-29
    OF - Director → CIF 0
  • 17
    Swarbrick, Gerard Joseph
    General Manager-South Western born in November 1956
    Individual (6 offsprings)
    Officer
    icon of calendar ~ 1997-12-31
    OF - Director → CIF 0
  • 18
    Harris, David Gene
    Energy Trading Manager born in September 1952
    Individual (4 offsprings)
    Officer
    icon of calendar 1998-01-26 ~ 1999-07-02
    OF - Director → CIF 0
  • 19
    Jones, Sally Ann
    Individual (21 offsprings)
    Officer
    icon of calendar 2000-02-01 ~ 2023-06-16
    OF - Secretary → CIF 0
  • 20
    NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC - now
    SOUTH WESTERN ELECTRICITY PLC - 2001-07-27
    icon of addressAvonbank, Feeder Road, Bristol, Avon, United Kingdom
    Active Corporate (10 parents, 3 offsprings)
    Officer
    ~ 2011-07-06
    PE - Director → CIF 0
parent relation
Company in focus

NATIONAL GRID ELECTRICITY DISTRIBUTION GENERATION LIMITED

Previous names
WESTERN POWER GENERATION LIMITED - 2022-09-20
SOUTH WESTERN POWER LIMITED - 1999-10-01
STARTSTAGE LIMITED - 1988-02-08
SOUTH WESTERN ELECTRICITY LIMITED - 1989-04-01
Standard Industrial Classification
35110 - Production Of Electricity

  • NATIONAL GRID ELECTRICITY DISTRIBUTION GENERATION LIMITED
    Info
    WESTERN POWER GENERATION LIMITED - 2022-09-20
    SOUTH WESTERN POWER LIMITED - 2022-09-20
    STARTSTAGE LIMITED - 2022-09-20
    SOUTH WESTERN ELECTRICITY LIMITED - 2022-09-20
    Registered number 02207483
    icon of addressAvonbank, Feeder Road, Bristol, Avon BS2 0TB
    PRIVATE LIMITED COMPANY incorporated on 1987-12-22 (38 years). The company status is Active.
    The last date of confirmation statement was made at 2025-07-06
    CIF 0
child relation
Offspring entities and appointments
Active 0
  • Not found in our database.

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.