Who owns SSEN Transmission?
SSEN Transmission is owned by SSE (the United Kingdom).[1]
SSE owns 75% of SSEN Transmission rather than all of it.
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: SSE plc Annual Report 2026 (ESEF, year to 31 March 2026). Last checked .
Key facts
- Current owner
- SSE plc (75% stake) reported
- Owner HQ
- 🇬🇧 United Kingdom
- Origin
- 🇬🇧 United Kingdom
- Category
- Energy › Power & utilities › Grids & transmission
- Last verified
- · 1 sources
About SSEN Transmission
SSEN Transmission owns, operates and develops the high voltage electricity transmission system in the north of Scotland and its islands. SSE's 2026 annual report says it is owned 75 percent by SSE plc and 25 percent by the Ontario Teachers' Pension Plan Board.
Ownership timeline of SSEN Transmission
Where SSEN Transmission sits in SSE
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full SSE ownership tree →
See the full SSE brand portfolio (6) →
Other brands owned by SSE
SSE controls 6 brands on Brandtree, 6 of them in energy.
Also in energy
Other brands in grids & transmission, and who owns them
The 11 brands in grids & transmission on Brandtree belong to 9 owners. The largest is ESB, with 2; SSE has 2.
| Brand | Owner | Owner based in |
|---|---|---|
| ESB Networks | ESB | 🇮🇪 Ireland |
| 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: SSE
SSE is a publicly listed company headquartered in United Kingdom. Brandtree records 6 brands under its control.
SSE plc is a British energy group whose annual report for the year to 31 March 2026 reports through SSEN Transmission, SSEN Distribution, SSE Renewables, SSE Thermal and Energy Customer Solutions. It says SSEN Transmission is owned 75 percent by SSE plc and 25 percent by Ontario Teachers' Pension Plan Board.
🇬🇧 SSEN Transmission 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; SSEN Transmission is not one of 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 SSEN Transmission?
The parent company of SSEN Transmission is SSE, a publicly listed company headquartered in the United Kingdom.
Is SSEN Transmission British?
Yes. SSEN Transmission originated in the United Kingdom and its owner, SSE, is also headquartered in the United Kingdom.
Is SSEN Transmission still owned by SSE?
Yes. As of 5 October 2026, SSEN Transmission is still owned by SSE (75% stake). 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] SSE plc Annual Report 2026 (ESEF, year to 31 March 2026) — SSE plc, Annual report; retrieved 5 October 2026.
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