Global transformer oil market size was valued at USD 2.58 billion in 2024. The market is projected to grow from USD 2.72 billion in 2025 to USD 3.76 billion by 2032, exhibiting a CAGR of 5.7% during the forecast period. Transformer oil, also known as insulating oil, is a specialized petroleum-based fluid derived from fractional distillation of crude oil. This mineral-based oil serves dual...