Saudi Electricity Co / National Grid SA

Single national grid — only 60 Hz system in GCC, tied to GCCIA via HVDC back-to-back at Al-Fadhili

Overview

The Saudi Electricity Company (SEC) and its National Grid operating arm — the dominant buyer of 380/110 kV power transformers, reactors and GSUs across the Kingdom under Vision 2030.

Grid characteristics

• Operating region: Saudi Arabia — Middle East
• System frequency: 60 Hz
• Synchronous area: GCCIA Interconnection
• Top voltage class: 380 kV

Transformer & substation profile

• Highest voltage class in this market: 380 kV
• Transformer demand driver: Single national grid — only 60 Hz system in GCC, tied to GCCIA via HVDC back-to-back at Al-Fadhili
• Procurement notes: Utilities in this market procure against national grid codes and international standards — verify the governing standard before a tender.

Relevant manufacturers

11 transformer makers recorded in the Saudi Arabia census — power, distribution and dry-type. Verify capability before a decision.

Market context

Latest intelligence about this operator

• Saudi Electricity Company (SEC) awards SAR 412m Al-Hasa North 380/115 kV BSP substation EPC to Al-Babtain

  Contract covers turnkey EPC of a new 380/115 kV bulk supply point substation including 380 kV GIS, three 500 MVA power transformers, auxiliary systems…

• Mitsubishi Power wins boiler package for dual-fuel conversion of Jeddah South & Shuqaiq plants (2×2.9 GW, KSA)

  صفقة لتحويل محطتي كهرباء جنوب جدة والشقيق إلى الغاز — Mitsubishi Power (via Mitsubishi Corporation Machinery, with Dar Al Bilad Contracting) converts …

• KAHRAMAA awards QR 2.2bn ($604m) grid contracts for Dukhan Solar connection — Qatar's largest-ever grid expansion

  Qatar's Kahramaa signed EPC contracts worth over QR 2.2bn with Voltage Engineering, Best & Betas Consortium, L&T and LS Cable covering a new 400 kV su…

• Kuwait MEW close to signing ~$274m Shagaya solar grid-connection contract

  الكهرباء الكويتية تقترب من توقيع عقد بنحو 274 مليون دولار لربط محطة تحويل مجمع الشقايا للطاقة المتجددة بعقدة الشويخ — moving Shagaya renewable output …

Regional intel

Same regional feed. These items do not name this operator.

• MEWRE — second-stage maintenance/replacement programme (transformers up to 75 MVA; parallel reactors up to 50 MVA)

  Phase-two maintenance and replacement of damaged parts and related civil works for transformers ≤75 MVA and parallel reactors ≤50 MVA.

• MEWRE — replacement of damaged transformers up to 75 MVA and parallel reactors up to 50 MVA (first stage)

  Ministry of Electricity, Water and Renewable Energy first-stage procurement for replacement/substitution of damaged transformers ≤75 MVA and parallel …

• Saudi Water Authority — supervision of Transformer T803 replacement (502 MVA, 380/110/13.8 kV) PST1 Yanbu Phase 3

  Etimad notice 260839007272: project for supervision of GIB replacement and Transformer T803 replacement at SWA third-stage conversion station, Yanbu s…

• King Abdulaziz Air Base Hospital — 1,500 kVA standby transformer, Dhahran

  Competition to supply and install a 1,500 kVA backup/standby electrical transformer for the chillers area at King Abdulaziz Air Base Hospital, Dhahran…

Related projects

• GCCIA Saudi-Kuwait interconnection expected · INFERRED
• SEC transformers and reactors contract (awarded to SPTC) awarded · CONFIRMED
• TBEA 380/132kV GIS substation project awarded · INFERRED
• 380/230 kV Amiral substation (Jubail) awarded · INFERRED

Upcoming events

• Saudi Industrial Expo 2026 2026-08-30 · Riyadh, Saudi Arabia
• Middle East Saudi International Power Exhibition 2026 2026-09-20 · Riyadh, Saudi Arabia
• Saudi Elenex 2026 2026-11-16 · Riyadh, Saudi Arabia

Census verified 7 July 2026. Record updated 11 July 2026. Sources: official utility / operator filings and public announcements; maintained encyclopedia-style from the TransformerPath grid census. Report a correction.