Transformer Insulation Market worth $9.68 billion by 2030 - Exclusive Report by MarketsandMarkets

DELRAY BEACH, Fla., Oct. 10, 2025 /PRNewswire/ -- The report 'Transformer Insulation Market by Material (Liquid, Solid Insulation), Voltage Class, Type (Liquid Filled, Dry-type Transformer), End-use Industry (Electrical Utilities, Data Centers, Oil & Gas, Power), and Region - Global Forecast to 2030', transformer insulation market is projected to be valued at USD 6.97 billion in 2025 and USD 9.68 billion by 2030, exhibiting a CAGR of 6.8% during the forecast period.

Browse in-depth TOC on 'Transformer Insulation Market'
335 - Tables
54 - Figures
274 - Pages

Download PDF Brochure: https://www.marketsandmarkets.com/pdfdownloadNew.asp?id=128579433

The increasing electricity consumption due to urbanization, industrial growth, and other electrical devices augments the demand for transformer insulation systems. Emerging economies, such as China and India, are emerging as major hubs for the transformer insulation market due to the substantial investments in infrastructure and improvements in the electrical grid to expand electricity access. The switch to renewable energy sources, such as solar and wind, also increases the demand for insulation in the transformer insulation market, due to the need for insulation to regulate load changes and power quality in smart grids. Sustainability goals also increase demand for environmentally friendly, fire-friendly insulation, especially dry-type insulation for urban settings and data center builds. In developed regions, aging power infrastructure requiring refurbishment can use insulation with improved electrical and thermal properties and reduced flammability for better reliability.

Solid insulation segment is expected to record the highest CAGR between 2025 and 2030.

The transformer insulation market is dominated by solid insulation due to its affordability and versatility. Materials such as cellulose paper, pressboard, and advanced composites deliver exemplary dielectric strength and thermal stability in high voltage and high temperature situations. They have become a common choice for dry-type transformers adopted in urban locations, data centers, and renewable energy systems as they are considered safe and do not pose a risk of leaking fluids such as mineral oil. The demand for smart transformer converters from AC to DC for solar and wind projects will increase the use of solid insulation due to their compact size and weight, for the same performance characteristics as their insulating fluids. Advancements in the polymer sciences, such as nanotechnology, improve solid insulation's mechanical and electrical properties and offer longer service life. The requirements for eco-friendly and low-maintenance approaches to insulating will drive solid insulation to retain its position as the most advanced insulating system.