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Private company

Northern Ireland Electricity

Logo: EJDuggan, CC BY-SA 4.0, via Wikimedia Commons3

Irish energy company

Northern Ireland Electricity Networks Limited (NIE Networks) is the electricity asset owner of the transmission and distribution infrastructure in Northern Ireland, established in 1993 when the business was privatised. NIE Networks does not generate or supply electricity.2 It is part of ESB Group.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Oct 25, 1991Founded1

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Northern Ireland Electricity Networks Limited (NIE Networks) is the electricity asset owner of the transmission and distribution infrastructure in Northern Ireland, established in 1993 when the business was privatised. NIE Networks does not generate or supply electricity.2

Corporate structure

Northern Ireland Electricity is part of a group headed by ESB Group. 19 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • ESB Group Dublin, Ireland
    • ESB Independent Generation Trading Ltd Dublin, Ireland
    • Northern Ireland Electricity Northern Ireland
    • Raheenleagh Power Ltd Dublin, Ireland
    • Electric Ireland Subsidiary · Dublin
    • ESB Networks Subsidiary · Dublin, Ireland
    • Carrington Power Limited Subsidiary · Manchester, United Kingdom
    • Castlepook Power Designated Activity Company Subsidiary · Dublin, Ireland
    • Coolkeeragh ESB Limited Subsidiary · Londonderry, United Kingdom
    • ESB Energy Ltd Subsidiary · London, United Kingdom
    • ESB Finance Designated Activity Company Subsidiary · Dublin, Ireland
    • ESB Independent Energy (NI) Limited Subsidiary · Dublin, Ireland
    • ESB Independent Energy Limited Subsidiary · Dublin, Ireland
    • ESBNI Limited Subsidiary · Londonderry, United Kingdom
    • Northern Ireland Electricity Networks Limited Subsidiary · Belfast, United Kingdom
      • NIE FINANCE PLC Subsidiary · Belfast, United Kingdom
    • SO ENERGY TRADING LIMITED Subsidiary · London, United Kingdom
    • Synergen Power Limited Subsidiary · Dublin, Ireland
    • West Durham Windfarm Limited Subsidiary · London, United Kingdom

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Timeline

  1. Oct 25, 1991Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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