Whito directory · Utility
SP Transmission
SP TRANSMISSION PLC, company number SC189126. Active, incorporated 7 September 1998. Checked at Companies House on 23 September 2026.
What they actually do
Owns the high-voltage electricity transmission network in its Scottish licence area. It trades as part of SP Energy Networks. It is building a subsea power link with National Grid.
Named work
Eastern Green Link 1, a 190km high-voltage link built as a joint venture with National Grid Electricity Transmission. Source: SP Energy Networks, 12 December 2023
Company record
| Legal name | SP TRANSMISSION PLC |
|---|---|
| Company number | SC189126 |
| Status | Active |
| Incorporated | 7 September 1998 |
| Registered office | 320 St. Vincent Street, Glasgow G2 5AD |
| Group | ScottishPower, trading as SP Energy Networks |
| Whito group | Utilities |
| Regions | Scotland (named work); licence area not yet recorded |
| Registers and licences | named as an electricity transmission owner in Ofgem RIIO-3 final determinations overview, 4 December 2025 |
| Checked at Companies House | 23 September 2026. No overdue filings shown. |
Limits. A Whito listing is not a recommendation, rating or prequalification. SP Energy Networks is a brand covering several licensed companies. This is one of them.
Every fact on this page was read on 23 September 2026 from the page linked or from the Companies House record for SC189126. Companies House shows what a company has filed. It says nothing about the quality of its work or its finances.
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