OLTC / tap-changers

On-load and de-energised tap-changers — suppliers, technology and engineering.

Manufacturers & suppliers

• BTRAC Ltd United Kingdom · CONFIRMED
• Maschinenfabrik Reinhausen (MR / Reinhausen Group) Germany · CONFIRMED
• SPX Transformer Solutions (Prolec-GE Waukesha) United States · CONFIRMED

Latest intelligence

• RK Infra Electricals wins Rs 164.74 cr Karnataka 220/66/11 kV substation — two 150 MVA + two 20 MVA transformers
  Power Peak Digest · 24 Jun 2026 [en]
• Hitachi Energy announces record ~JPY 48bn China investment to expand transformer capacity at Hefei subsidiary
  36Kr Japan · 22 Aug 2026 [ja]

Engineering & knowledge

• oltc maintenance
• oltc operation
• tap changer faults
• transformer oltc oil

Events

• Iraq Energy Expo & Conference 2026 Baghdad, Iraq · 2026-01-10
• POWERGEN International 2026 San Antonio, USA · 2026-01-20
• Mashhad Electricity Industry Exhibition 2026 Mashhad, Iran · 2026-01-21
• DTECH 2026 San Diego, USA · 2026-02-03
• Powerelec Nigeria 2026 Lagos, Nigeria · 2026-02-03
• Korea Smart Grid Week 2026 (KSGW) Seoul, South Korea · 2026-02-04
• EPRI Transmission & Substations Task Force — Feb 2026 Charlotte, USA · 2026-02-09
• Malaysia Power & Electricity Expo 2026 Kuala Lumpur, Malaysia · 2026-02-11

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