The China Dry Type Transformer Market is projected to register a strong CAGR during the forecast period (2026-2031).
Structural demand for dry type transformers in China is fundamentally anchored in the nation’s aggressive urbanization and the subsequent densification of its power distribution networks. Unlike traditional oil-immersed units, dry type transformers are indispensable for indoor substations, high-rise commercial complexes, and underground metro systems due to their self-extinguishing properties and lack of toxic spill risks. The industry is characterized by a deep dependency on China’s 14th Five-Year Plan objectives, which prioritize the construction of smart grids and the electrification of industrial manufacturing sectors. This dependency ensures a consistent demand floor regardless of short-term economic fluctuations, as the national grid requires constant modernization to handle the intermittent loads of massive solar and wind installations in western provinces.
Technology and process evolution within the Chinese market are increasingly focused on reducing no-load losses through the adoption of amorphous alloy cores and high-grade grain-oriented electrical steel (GOES). Manufacturers are transitioning toward digitalized units integrated with IoT-based smart monitoring systems, allowing for real-time thermal assessment and predictive maintenance. This shift is reinforced by a sustainability transition mandated by the National Development and Reform Commission (NDRC), which seeks to reduce carbon emissions by phasing out low-efficiency electrical equipment. Consequently, the strategic importance of the product has evolved from a simple power component to a critical enabler of "Dual Carbon" goals, necessitating high-performance insulation classes such as Class H and Class C.
Mandatory Efficiency-Upgrade Rollout: The Chinese government's "Action Plan for Accelerating the New Type Power System" drives demand by requiring the replacement of millions of aging, inefficient transformers with units that meet or exceed the S13 and S15 standards.
Expansion of Data Center Infrastructure: The "East-to-West Computing" national strategy increases the demand for dry type transformers because data centers require oil-free, compact, and fire-resistant power solutions to ensure operational continuity and safety in high-density server environments.
Electrification of Rail and Metro Traction: Rapid expansion of high-speed rail corridors and urban metro lines (such as Shijiazhuang Metro Line 3) necessitates specialized traction transformers that can withstand high vibration and frequent load fluctuations without the maintenance requirements of oil-filled units.
Renewable Energy Integration Requirements: The proliferation of distributed solar and wind farms requires step-up dry type transformers that are suitable for compact nacelles and outdoor pad-mounted installations, driving demand for units with high environmental resilience and minimal maintenance.
Raw Material Supply Constraints: Persistent shortages and price volatility of grain-oriented electrical steel (GOES) and high-purity copper windings represent a significant restraint, often extending lead times for large-scale utility projects by 20% to 30%.
High Initial Capital Expenditure: The higher manufacturing cost of dry type units compared to oil-immersed alternatives remains a hurdle for price-sensitive industrial users in inland provinces, despite the lower total lifecycle cost and reduced maintenance requirements.
Innovation in Amorphous Alloy Technology: The increasing viability of amorphous metal cores presents a massive opportunity for manufacturers to capture the high-efficiency segment, as these materials can reduce no-load losses by up to 70% compared to traditional silicon steel.
Emerging EV Charging Infrastructure: The national mandate to build millions of new-energy vehicle (NEV) charging stations creates an opportunity for compact, medium-voltage dry type transformers that can be easily integrated into urban parking structures and highway service zones.
The production of dry type transformers in China is heavily reliant on three primary input categories: high-purity copper or aluminum for windings, grain-oriented electrical steel (GOES) or amorphous alloys for the core, and epoxy resin for insulation. Copper pricing in 2024 and 2025 has remained elevated due to its essential role in the global energy transition, directly impacting the load-loss performance costs of high-end transformers. Silicon steel, specifically the high-permeability grades required for Level 1 efficiency units, faces periodic supply tightness as domestic production capacity at major mills like Baosteel and Shougang remains near utilization limits. These material dynamics have forced manufacturers to adopt margin management strategies, such as early procurement through framework agreements and the utilization of automated foil-winding technology to reduce waste and labor intensity.
The supply chain for dry type transformers in China is characterized by high production concentration in the eastern and southern coastal provinces, where established clusters of electrical equipment manufacturers benefit from proximity to deep-water ports and high-tech industrial parks. While the market for low-voltage units is highly fragmented with numerous small-to-medium enterprises, the high-voltage and specialized segments are dominated by domestic champions and global leaders with integrated R&D centers in China. Supply chain risks are primarily concentrated in the logistics of specialized GOES and the availability of high-temperature insulation materials. To mitigate these risks, leading firms like TBEA and Wolong are increasingly adopting integrated manufacturing strategies, where they produce their own insulation components and secure long-term supply contracts for core materials to ensure delivery certainty for State Grid tenders.
Jurisdiction | Key Regulation / Agency | Market Impact Analysis |
China | GB 20052-2024 (SAMR/SAC) | Establishes the latest minimum allowable values of energy efficiency, effectively phasing out Grade 3 transformers and mandating Grade 1/2 for all new installations. |
China | Action Plan for New Type Power System (2024–2027) | Accelerates the digital transformation of the grid, increasing demand for "smart" dry type transformers with integrated sensors and communication modules. |
China | 14th Five-Year Energy Plan (NDRC/NEA) | Mandates the reduction of transmission losses and the modernization of urban distribution networks, favoring oil-free dry type units for fire safety. |
August 2024: NDRC and NEA – Released the "Action Plan for Accelerating the New Type Power System (2024–2027)," which prioritizes the upgrading of distribution grids to handle a high proportion of renewable energy, structurally increasing the demand for high-efficiency dry type units.
April 2024: State Administration for Market Regulation – Published the GB 20052-2024 standard for power transformer energy efficiency. This development is strategically significant as it raises the "barrier to entry" for manufacturers, forcing a market consolidation toward players capable of high-precision amorphous alloy core production.
The cast resin transformer (CRT) segment is the dominant technology in the Chinese market, particularly for high-voltage and hazardous-environment applications. The windings in CRT units are completely encapsulated in epoxy resin under a vacuum, providing exceptional dielectric strength and protection against moisture, dust, and corrosive chemicals. This makes them the preferred choice for China’s massive petrochemical and metallurgical mining industries. The structural demand for CRT is driven by its ability to withstand high short-circuit stresses and its virtual maintenance-free operation over a 20-year lifespan. As industrial users prioritize operational reliability and fire safety, the CRT segment is expected to maintain its leadership position.
The energy and power utility segment is the largest end-user, accounting for a significant majority of China's dry type transformer volume. Demand in this segment is explicitly tied to the State Grid’s record investment budgets for UHV grid build-outs and the "Rural Power Grid Transformation" projects. These initiatives require millions of distribution transformers that can be safely housed in compact, urban substations. The shift toward "smart" utilities has also introduced a requirement for transformers with integrated fiber-optic sensors and digital twin capabilities, allowing grid operators to manage bidirectional power flows from residential rooftop solar installations.
Three-phase dry type transformers represent the operational standard for industrial and commercial distribution in China due to their efficiency in handling high-power loads. The operational advantage of three-phase units lies in their ability to provide a more consistent and higher power density than single-phase alternatives, making them essential for heavy manufacturing plants and large-scale commercial buildings. The standardization of the 10kV and 35kV distribution systems in China ensures that three-phase units remain the high-volume segment for both domestic consumption and export.
Wolong Electric Group
Pearl Electric Co., Ltd.
ABB Group (ABB Electrical Equipment (Xiamen) Co., Ltd.)
XD Jinan Transformer Co., Ltd.
Rockwell T&D Group
TBEA Co., Ltd.
China XD Group
Siemens Energy
Schneider Electric
CHINT Group
Wolong Electric is a major domestic player with a significant market share in the industrial and traction transformer segments. The company’s strategy focuses on vertical integration and the development of high-efficiency amorphous alloy core transformers to align with national energy goals. Its competitive advantage is rooted in its extensive manufacturing footprint and long-standing relationships with State Grid and major rail operators. Wolong’s technology differentiation is evidenced by its focus on reducing the footprint of medium-voltage units by up to 20% while maintaining Level 1 efficiency ratings.
Pearl Electric is an analytical leader in the cast resin dry type transformer segment, with capabilities reaching up to 69kV and 30MVA. The company’s strategy emphasizes R&D in advanced insulation materials, such as epoxy resin vacuum impregnation, to ensure fire safety in sensitive urban environments. Its geographic strength is concentrated in South China and export markets, where it positions itself as a strategic alternative to global majors for specialized data center and renewable energy applications. Pearl Electric’s integration model includes in-house production of silicon steel and amorphous alloy cores.
ABB maintains a strong strategic position through its Xiamen manufacturing hub, which serves as a global center for instrument transformers and epoxy components. ABB’s strategy in China is centered on "Electrification" and the integration of digital monitoring systems (e.g., ABB Ability™) into its dry type portfolio. Its competitive advantage lies in its centennial engineering heritage and its ability to supply advanced sensors for State Grid's primary and secondary integration requirements. ABB’s technology differentiation is characterized by its "RESIBLOC®" mold-free casting technology, which offers maximum design flexibility for harsh industrial environments.
China’s dry type transformer market is entering a decisive growth phase driven by mandatory GB 20052-2024 efficiency upgrades and "New Type Power System" investments. Success for manufacturers depends on mastering amorphous alloy core technology and integrating smart digital monitoring to meet the grid's evolving stability and sustainability requirements.
| Report Metric | Details |
|---|---|
| Forecast Unit | Billion |
| Growth Rate | Ask for a sample |
| Study Period | 2021 to 2031 |
| Historical Data | 2021 to 2024 |
| Base Year | 2025 |
| Forecast Period | 2026 – 2031 |
| Segmentation | Type, Voltage, Phase, End-User Industry |
| Companies |
|