China Data Center Transformer Market Size and Overview
The China Data Center Transformer Market is valued at US$ 1.04 billion in 2025 and is forecast to reach US$ 2.08 billion by 2031, with 12.33% annualized growth. Demand comes from new data center campuses, the power systems inside AI computing sites and the substations required to connect these facilities to the grid.
China is building larger AI and cloud data centers, with new campuses expanding in the Beijing region, the Yangtze River Delta and western computing hubs. Transformers are needed at grid connections and throughout medium-voltage distribution systems. Buyers are looking closely at delivery times, energy losses and designs that allow campuses to grow in stages.
| 2025 MARKET SIZE | 2031 FORECAST | CAGR (2026–2031) |
| US$ 1.04 Billion | US$ 2.08 Billion | 12.33% |
China Data Center Transformer Key Takeaways
Market value rises from US$ 1.04 billion in 2025 to US$ 2.08 billion in 2031.
New AI facilities require more medium-power transformers and dedicated substations.
Data center hubs in northern and western China create demand for transformers at new grid connections.
Higher computing loads are raising the importance of low-loss transformer designs.
Delivery schedules matter because transformer installation is often needed before server equipment can be brought online.
Solid-state transformers are attracting interest for high-density DC power systems, although conventional transformers remain widely used.
China Data Center Transformer Industry Trends and Strategic Insights
Cloud and AI campus developers are ordering electrical equipment earlier to secure manufacturing capacity.
High-efficiency dry-type transformers are used where fire safety and indoor space are priorities.
China has a strong domestic transformer supplier base, but large custom units still need early design approval and factory testing.
Solid-state transformers are being tested in new DC power architectures for high-density AI computing facilities.
China Data Center Transformer Market Scope
| METRICS | DETAILS |
| 2025 Market Size | US$ 1.04 Billion |
| 2031 Projected Market Size | US$ 2.08 Billion |
| CAGR (2026–2031) | 12.33% |
| By Transformer Type | Distribution, medium-power, large-power substation, modular unit substation |
| By Data Center Type | Hyperscale/cloud, colocation, enterprise, AI-oriented campuses, edge |
| By Voltage Rating | Low voltage secondary, medium-voltage primary, high-voltage grid connection |
| By Insulation and Cooling | Oil-immersed, natural ester, dry-type cast resin, forced-air and forced-oil cooling |
| By Power Architecture | Utility-fed substations, campus primary substation, secondary distribution, behind-the-meter generation |
| By Phase and Installation | Three-phase, indoor, outdoor, pad-mounted, modular substation |
| By Installation Stage | New-build, campus expansion, equipment replacement, commissioning, aftermarket |
| Competitive Landscape | TBEA, Chint Electric, China XD Electric, Siemens Energy, Hitachi Energy and Others
|
| Market Data Coverage | 2025-2031 China data center transformer market, equipment applications and market trends |
Coverage: China. The report examines transformers for hyperscale, colocation, enterprise and AI data centers. It includes primary substation transformers, medium-voltage distribution transformers, dry-type transformers and modular power systems. The study covers the 2025 market baseline and forecasts through 2031.
China Data Center Transformer Market White Space & Investment Opportunities
New campus substations offer opportunities for large power transformers supplied with grid connection packages.
Modular transformer designs can shorten site installation work for data centers built in phases.
Low-loss dry-type products suit dense electrical rooms where cooling costs and safety standards matter.
Suppliers that work early with data center developers and electrical contractors can secure repeat orders across multi-site projects.
Driver Impact Analysis
AI computing growth is creating demand for primary and distribution transformers at new Chinese data center campuses. Large projects often need equipment years before full occupancy.
| DRIVER | AFFECTED PRODUCT / SIGNAL | 2026–2031 CAGR | STRATEGIC IMPACT |
| AI computing campus construction | High | Primary and medium-power transformers | New AI projects need transformers before commissioning |
| New western data center hubs | High | Grid connection transformers | Long power feeders require approved substation plans |
| Higher power density | High | Dry-type and distribution transformers | Higher electrical loading favors reliable low-loss designs |
| Modular campus expansion | Medium-High | Unit substations and packaged designs | Repeatable electrical blocks support faster installation |
Higher rack power density increases electrical loading across each campus. Developers are specifying reliable transformers with lower losses and suitable spare capacity.
Restraint Impact Analysis
Large transformer deliveries can be delayed by production schedules, specialist components and factory testing. A missed delivery date can affect the opening of a new data hall.
| RESTRAINT | PRIMARY EXPOSURE | RISK LEVEL | STRATEGIC IMPACT |
| Transformer production slots | Medium- and large-power units | High | Large custom designs need early factory reservations |
| Electrical steel and copper prices | Transformer cores and windings | Medium-High | Material price changes affect supplier quotations |
| Grid connection approvals | Primary substation equipment | High | Power connection dates can delay procurement |
| Design revisions | Custom distribution transformers | Medium | Late specification changes add testing and engineering |
Grid approval dates and changes to the planned campus load can lead to late transformer design revisions. Extra engineering work can increase lead times.
China Data Center Transformer Market Competitive Landscape
Competition includes large domestic transformer groups and international manufacturers with production facilities in China. Data center buyers compare electrical performance, approved product specifications, commissioning support and delivery reliability.
| COMPANY | DATA CENTER TRANSFORMER POSITIONING |
| TBEA | Large power and distribution transformers for grid-connected data center campuses. |
| China XD Electric | High-voltage transformer products for primary substations and utility connections. |
| CHINT Electric | Distribution transformers and packaged electrical systems for industrial and data center users. |
| Jiangsu Huapeng Transformer | Power transformers for large substations serving high-load campuses. |
| Baoding Tianwei Baobian Electric | Custom power transformer manufacturing for regional grid connections. |
| Hitachi Energy China | Large transformers and related components with local manufacturing investment. |
| Siemens Energy China | Transformer systems for high-voltage distribution and campus power needs. |
| Sunten Electric | Dry-type transformer products for indoor and commercial distribution. |
| Guangzhou Baiyun Electric | Power distribution equipment and transformers for facility electrical systems. |
| Shandong Dachi Electric | Dry-type and cast-resin transformers for industrial and commercial installations. |
TBEA, China XD Electric and CHINT compete across transformer and substation equipment needs. Jiangsu Huapeng and Baoding Tianwei are important large-transformer suppliers. Hitachi Energy is adding manufacturing capacity in China, while specialist suppliers offer dry-type units suited to internal data center distribution.
China Data Center Transformer Market Recent Developments
July 2, 2026: Chindata said a solid-state transformer-based DC power system had started commercial operation at its Sangyuan data center campus near Beijing.
August 17, 2026: Hitachi Energy announced a US$300 million investment in transformer manufacturing in Hefei, Anhui Province.
August 17, 2026: Hitachi Energy said its Hefei investment includes a new power transformer plant and expanded component production.
August 17, 2026: Hitachi Energy announced plans for an ultra-high-voltage bushing factory and a digital tap-changer production line in China.
September 1, 2026: CHINT presented its power transformer and data center power equipment ranges at CIGRE 2026.
September 1, 2026: CHINT highlighted its transformer, substation and grid equipment portfolio for projects with growing power demand.
