Who owns NIE Networks?
NIE Networks is owned by ESB (Ireland).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Our Investment Proposition - ESB. Last checked .
Key facts
- Current owner
- Electricity Supply Board reported
- Owner HQ
- 🇮🇪 Ireland
- Origin
- 🇬🇧 United Kingdom
- Category
- Energy › Power & utilities › Grids & transmission
- Last verified
- · 1 sources
About NIE Networks
NIE Networks is the ESB segment that owns the electricity network in Northern Ireland; ESB's investor page says ESB owns all onshore transmission and distribution networks in the Republic of Ireland and Northern Ireland. The interim report lists NIE Networks Limited sterling bonds and a first-half capital investment of GBP 164.6 million.
Ownership timeline of NIE Networks
Where NIE Networks sits in ESB
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full ESB ownership tree →
See the full ESB brand portfolio (4) →
Other brands owned by ESB
ESB controls 4 brands on Brandtree, 4 of them in energy.
Also in energy
Other brands in grids & transmission, and who owns them
ESB has more brands in grids & transmission on Brandtree than any other owner: 2 of 11.
| Brand | Owner | Owner based in |
|---|---|---|
| SSEN Distribution | SSE | 🇬🇧 United Kingdom |
| ISA | Ecopetrol | 🇨🇴 Colombia |
| ITC | Fortis | 🇨🇦 Canada |
| Hydro One Networks | Hydro One | 🇨🇦 Canada |
| J-POWER Transmission Network | J-POWER | 🇯🇵 Japan |
| Kansai Transmission and Distribution | Kansai Electric Power | 🇯🇵 Japan |
| Oncor | Sempra | 🇺🇸 United States |
| American Transmission Company | WEC Energy Group | 🇺🇸 United States |
About the owner: ESB
ESB is a state-owned company headquartered in Ireland. Brandtree records 4 brands under its control.
ESB says on its investor page that it is 97.7 percent Irish Government owned, operates in Ireland and Great Britain and owns all onshore transmission and distribution networks in the Republic of Ireland and Northern Ireland. Its 2026 interim financial report splits the business into Customer Solutions, ESB Networks, NIE Networks, Generation and Trading and other segments, and says ESB began evaluating divestment options for ESB Retail GB Limited, the So Energy business, in 2026.
🇬🇧 NIE Networks and other British brands
Brandtree records a controlling owner for 543 brands that began in the United Kingdom. 282 of them (52%) are now controlled by a company headquartered in another country, NIE Networks among them.
- British Gas — Centrica 🇬🇧
- Calor — SHV Energy 🇳🇱
- Castrol — bp 🇬🇧
- Ceres Power — Ceres Power 🇬🇧
- Certas Energy — DCC 🇮🇪
- Cruachan Power Station — Drax 🇬🇧
Frequently asked questions
Who is the parent company of NIE Networks?
The parent company of NIE Networks is ESB, a state-owned company headquartered in Ireland.
Is NIE Networks British or Irish?
NIE Networks originated in the United Kingdom, but it is owned today by ESB, which is headquartered in Ireland. So NIE Networks is a British-origin brand under Irish ownership.
Is NIE Networks still owned by ESB?
Yes. As of 5 October 2026, NIE Networks is still owned by ESB. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Our Investment Proposition - ESB — ESB, Official document; retrieved 5 October 2026.
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