Epoxy Cast Dry-Type Transformers (≤ 35KV ) for Wind Power Market Trends: at a CAGR of 15.8% during the forecast period

Epoxy Cast Dry-Type Transformers (≤ 35KV ) for Wind Power Market Summary

Transformers are one of the main pieces of equipment in wind farms, as wind power generation requires substations for grid connection and transmission. Wind farm substations mainly house transformers, distribution equipment, and control devices, used to increase voltage and control the collection and transmission of electricity generated by wind turbines. Step-up transformers transform the voltage from the wind turbine outlet voltage of 690V to 35kV/10kV (as the capacity of individual wind turbines increases, the low-voltage and high-voltage sides will also increase further), reducing power loss during transmission. Depending on the turbine capacity, they may be placed inside or outside the turbine tower.

Epoxy Cast Dry-Type Transformers use epoxy resin as insulation. The high- and low-voltage windings are made of copper strip (foil), and epoxy resin is poured into and cured in a vacuum to form a high-strength fiberglass structure. Insulation classes include F and H. Epoxy Cast Dry-Type Transformers feature good electrical performance, strong resistance to lightning strikes, strong short-circuit withstand capability, small size, and light weight. A temperature display controller can be installed to display and control the operating temperature of the transformer windings, ensuring the normal service life of the transformer. This report focuses on Epoxy Cast Dry-Type Transformers with a rated high voltage of 35KV and below used in the wind power industry.



According to the new market research report "Epoxy Cast Dry-Type Transformers (≤ 35KV ) for Wind Power - Global Market Share and Ranking, Overall Sales and Demand Forecast 2026-2032", published by QYResearch, the global Epoxy Cast Dry-Type Transformers (≤ 35KV ) for Wind Power market size is projected to reach USD 2.78 billion by 2032, at a CAGR of 15.8% during the forecast period.



Trends:

Demand for High-End Offshore Wind Power

Offshore wind power demands higher levels of corrosion resistance, salt spray resistance, condensation prevention, and long-term stable operation from equipment, driving the upgrade of epoxy-cast dry-type transformers for wind power towards higher insulation levels, higher protection levels, and longer lifespans.



Trend towards Larger Capacity

As the capacity of individual wind turbines continues to increase, wind farms are simultaneously raising their requirements for transformer capacity, heat dissipation performance, and short-circuit withstand capabilities.



Growth Demand for Intelligent Monitoring

Wind farms are gradually developing towards less-manned operation and intelligent maintenance, driving the integration of online monitoring, temperature monitoring, partial discharge monitoring, and remote maintenance systems into transformers to improve equipment reliability and fault early warning capabilities.

According to QYResearch Top Players Research Center, the global key manufacturers of Epoxy Cast Dry-Type Transformers (≤ 35KV ) for Wind Power include Siemens Energy, Hitachi Energy (ABB), Jinpan Technology, SGB-SMIT Group, Tbea, Shunna Electric, Schneider Electric , TMC Transformers, China XD Electric, Shandong Taikai, etc. In 2025, the global top 10 players had a share approximately 76.0% in terms of revenue.



In terms of product type, currently Below 35KV is the largest segment, hold a share of 96.4%.



In terms of product application, currently Onshore Wind Power is the largest segment, hold a share of 90.1%.

1
Transformers constitute essential equipment within wind farms, serving the critical function of substations required for grid connection and power transmission. Wind farm substations house transformers, distribution apparatus, and control systems to step up voltage and manage the collection and delivery of electricity generated by wind turbines. Step-up transformers elevate the turbine output voltage from 690V to 35kV or 10kV, with further increases anticipated on both low- and high-voltage sides as individual turbine capacities continue to grow, thereby minimizing transmission power losses. Depending on turbine capacity, these transformers may be installed either inside or outside the turbine tower.

2
Epoxy Cast Dry-Type Transformers specifically engineered for wind power applications employ epoxy resin as the primary insulation medium. The high- and low-voltage windings utilize copper strip or foil, with epoxy resin poured and cured under vacuum to create a high-strength fiberglass-reinforced composite structure. Available in F and H insulation classes, these transformers deliver excellent electrical performance, robust lightning impulse resistance, high short-circuit withstand strength, compact dimensions, and reduced weight. A temperature display controller can be integrated to monitor and regulate winding operating temperatures, preserving the transformer's intended service life. This analysis focuses on Epoxy Cast Dry-Type Transformers with a rated high voltage of 35kV and below deployed exclusively within the wind power industry.

3
The global market for Epoxy Cast Dry-Type Transformers (≤35KV) for Wind Power is projected to achieve a valuation of USD 2.78 billion by 2032, expanding at a compound annual growth rate (CAGR) of 15.8% throughout the forecast period.

4
The competitive landscape is defined by leading global manufacturers, including Siemens Energy, Hitachi Energy (ABB), Jinpan Technology, SGB-SMIT Group, Tbea, Shunna Electric, Schneider Electric, TMC Transformers, China XD Electric, and Shandong Taikai. In 2025, the top ten players collectively secured an estimated 76.0% share of global revenue.

5
In terms of product type segmentation, the Below 35KV category overwhelmingly dominates the market, holding a share of 96.4%.

6
Regarding application segmentation, Onshore Wind Power represents the largest end-use sector, accounting for 90.1% of total market demand.

7
A key industry trend is the escalating demand driven by High-End Offshore Wind Power development. Offshore installations impose significantly more stringent requirements for corrosion resistance, salt spray resilience, condensation prevention, and sustained long-term operational stability. This drives the advancement of wind power-specific epoxy-cast dry-type transformers toward higher insulation ratings, elevated protection levels, and extended operational lifespans.

8
The unmistakable Trend toward Larger Capacity is reshaping product requirements. As individual wind turbine power ratings continue to escalate, wind farms are concurrently raising their specifications for transformer capacity, thermal dissipation performance, and short-circuit withstand capabilities.

9
There is also mounting demand for Intelligent Monitoring solutions. Wind farms are progressively evolving toward minimally manned operations and intelligent maintenance paradigms, accelerating the integration of online monitoring systems, precise temperature measurement, partial discharge detection, and remote diagnostic platforms into transformers. This integration enhances overall equipment reliability and strengthens fault early warning functionalities.

10
Market expansion is fundamentally propelled by Low-Carbon Policy Drivers. The sustained global momentum behind dual-carbon targets and renewable energy mandates, combined with amplified investment in wind power across numerous nations, is catalyzing demand for wind farm construction and the associated transmission and distribution equipment. This policy environment provides a structural, long-term growth trajectory for the wind power dry-type transformer market.

11
The proliferation of Large-Scale Projects further amplifies demand. The build-out of offshore wind power installations and the development of extensive wind power bases in desert and Gobi regions are substantially increasing the need for high-reliability, high-protection-level transformers. This trend is directly accelerating the rapid expansion of the high-end, wind power-specific dry-type transformer segment.



Market Drivers:

Low-carbon policies drive growth: The continued advancement of global "dual-carbon" targets and renewable energy policies, coupled with increased investment in wind power by various countries, is driving demand for wind farm construction and related transmission and distribution equipment, providing long-term growth potential for the dry-type transformer market for wind power.



Large-scale projects boost demand: The expansion of offshore wind power and large-scale wind power bases in deserts and Gobi areas is significantly increasing the demand for high-reliability, high-protection-level transformers, propelling the rapid development of the high-end wind power-specific dry-type transformer market.



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