NESO / National Grid ET
GB system operator + England-Wales transmission owner
Overview
National Energy System Operator and National Grid Electricity Transmission โ the GB TSO, procuring 400/275 kV power transformers and interconnector equipment.
Grid characteristics
- Operating region: United Kingdom โ Europe
- System frequency: 50 Hz
- Synchronous area: Great Britain
- Top voltage class: 400 kV
Transformer & substation profile
- Highest voltage class in this market: 400 kV
- Transformer demand driver: GB system operator + England-Wales transmission owner
- Procurement notes: Utilities in this market procure against national grid codes and international standards โ verify the governing standard before a tender.
Relevant manufacturers
6 transformer makers recorded in the United Kingdom census โ power, distribution and dry-type. Verify capability before a decision.
Winder Power Wilson Power Solutions Bowers Electricals R Baker (Electrical) Brush Transformers GE Vernova (HVDC transformers)
Market context
Latest TransformerPath intel
- No recent TransformerPath intel for this market yet.
Related projects
- No transformer-relevant project records yet for this market โ see the projects list.
Upcoming events
- Energy Storage Summit Europe 2026 2026-02-24 ยท London, United Kingdom
- IET DPSP 2026 (Developments in Power System Protection) 2026-03-03 ยท London, United Kingdom
- INSUCON 2026 โ 15th International Electrical Insulation Conference 2026-04-21 ยท Birmingham, United Kingdom
Last reviewed: 2026-08-28. Sources: official utility / operator filings and public announcements; maintained encyclopedia-style from the TransformerPath grid census. Report a correction.
Supply this utility
Submit a transformer requirement and TransformerPath will match it against the United Kingdom and regional manufacturing base.
Submit an RFQ Are you a supplier here? Get Verified โ