The global transformer oil market is entering a decisive growth phase. Valued at roughly USD 2.9 billion in 2025, it is on track to reach about USD 3.3 billion in 2026 and climb to nearly USD 7.5 billion by 2033, expanding at a CAGR of 12.5% between 2026 and 2033. That pace of growth is unusual for what is essentially a legacy industrial fluid — and it says a lot about how...