Who owns ESB Networks?
ESB 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
- 🇮🇪 Ireland
- Category
- Energy › Power & utilities › Grids & transmission
- Last verified
- · 1 sources
About ESB Networks
ESB Networks is the ESB segment that builds and runs the electricity distribution network in the Republic of Ireland. The 2026 interim report says it is delivering a price review programme (PR6) that began in January 2026 and that it reported a first-half capital investment of EUR 772 million.
Ownership timeline of ESB Networks
Where ESB 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.
🇮🇪 ESB Networks and other Irish brands
Brandtree records a controlling owner for 33 brands that began in Ireland. 18 of them (55%) are now controlled by a company headquartered in another country; ESB Networks is not one of them.
- Flogas — DCC 🇮🇪
- Aer Lingus — IAG 🇬🇧
- AerCap — AerCap 🇮🇪
- Baileys — Diageo 🇬🇧
- Bulmers — C&C Group 🇮🇪
- Bus Éireann — CIÉ 🇮🇪
Frequently asked questions
Who is the parent company of ESB Networks?
The parent company of ESB Networks is ESB, a state-owned company headquartered in Ireland.
Is ESB Networks Irish?
Yes. ESB Networks originated in Ireland and its owner, ESB, is also headquartered in Ireland.
Is ESB Networks still owned by ESB?
Yes. As of 5 October 2026, ESB 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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