Transformer Oil Market to Hit $2.87B by 2031 as Grids Modernize
Image
Delray Beach, Fla. – September 18, 2026 -- The global transformer oil market is projected to grow from $2.18 billion in 2026 to $2.87 billion by 2031, expanding at a compound annual growth rate of 5.6%, according to MarketsandMarkets. The market stood at $2.07 billion in 2025.
Grid modernization and renewable integration drive new demand
Utilities and grid operators are accelerating investment in transmission and distribution infrastructure, replacing aging transformers and expanding high-voltage networks to evacuate renewable power. This buildout is fueling demand for insulating fluids used for electrical insulation and heat dissipation in both new and refurbished transformers.