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2026
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With the implementation of policies promoting high-efficiency, energy-saving transformers, stacked spiral-core and amorphous alloy designs are poised for large-scale adoption.
With the continued implementation of the “Action Plan for High-Quality Development of Energy-Efficient Equipment (2026–2028),” China’s transformer industry has officially entered a critical phase of energy-efficiency upgrading. The policy sets clear targets: by 2028, newly installed transformers will be more than 75% high-efficiency and energy-saving, and the share of in-service high-efficiency, energy-saving transformers will reach 15%, thereby compelling the entire industry to accelerate the phase-out of outdated, low‑efficiency equipment. Against this backdrop, two major categories of energy-saving products—three-dimensional wound-core transformers and amorphous alloy transformers—are poised to capture significant market opportunities.
Three-dimensional wound-core transformers employ an equilateral triangular three-dimensional winding core structure with an air-gap-free magnetic circuit and identical magnetic path lengths across all three phases. This design effectively reduces no-load losses, no-load current, and operating noise, while delivering outstanding harmonic suppression. These transformers are widely suited for applications in real estate and public buildings, industrial parks, wind and solar power installations, and similar settings. Amorphous alloy dry-type transformers, characterized by extremely low no-load losses, flame retardancy and self-extinguishing properties, and maintenance-free operation, are ideal for high-rise buildings, chemical and mining facilities, and environments with flammable or explosive hazards. They represent the preferred choice for distribution network upgrades in pursuit of the dual carbon goals.
Currently, grid modernization projects, new energy initiatives, and technological upgrade programs in industrial and mining enterprises have progressively made high-efficiency models such as SCB18, S22, and SH15 mandatory procurement requirements, while outdated models like the traditional SCB10 and S11 are being phased out of tender specifications for new projects. For engineering contractors, real estate developers, chemical companies, and new energy project developers, energy efficiency criteria should be integrated into the overall design during the early electrical engineering phase; they must move beyond focusing solely on initial equipment purchase costs and instead consider the total lifecycle electricity savings.
Shenyang Guangchangyun Power Equipment offers a full range of dry-type and oil-immersed transformers with three-dimensional wound cores and amorphous alloy technology, along with integrated services for electrical design and power engineering construction. Serving the steel, chemical, real estate, and new energy sectors, the company provides comprehensive energy-saving substation solutions to help customers meet regulatory efficiency requirements and reduce long-term operating electricity costs. In the coming years, the market for replacing existing transformers will generate substantial growth, making high-efficiency, energy-saving substation equipment a central focus of industry competition.
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