OETC (Oman Grid)

Main interconnected system + Dhofar grid; synced to GCCIA via UAE

Overview

Oman Electricity Transmission Company (OETC) — the sole transmission owner-operator in Oman, running the 400/220/132 kV grid and a key buyer of power transformers.

Grid characteristics

• Operating region: Oman — Middle East
• System frequency: 50 Hz
• Synchronous area: GCCIA Interconnection
• Top voltage class: 400 kV

Transformer & substation profile

• Highest voltage class in this market: 400 kV
• Transformer demand driver: Main interconnected system + Dhofar grid; synced to GCCIA via UAE
• Procurement notes: Utilities in this market procure against national grid codes and international standards — verify the governing standard before a tender.

Relevant manufacturers

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

Market context

Latest intelligence about this operator

• No published intelligence evidenced as about this operator.

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

• 400 kV main substation EPC project (fully energized) energized · INFERRED
• Duqm energy storage project 400 kV main transformer construction · CONFIRMED
• OETC Sadaf 400 kV grid station project tendering · INFERRED
• GCCIA UAE–Oman 400 kV power interconnection awarded · INFERRED

Upcoming events

• RSEEC 2026 — 8th Regional SE European CIGRE Conference 2026-09-22 · Constanța, Romania
• GCC POWER 2026 / CIGRE 22nd Conference (Muscat) 2026-11-02 · Muscat, Oman
• Oman Sustainability Week 2027 (incl. OPES) 2027-05-17 · Muscat, Oman

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.