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These power and cooling companies are also riding the data centre boom, which is worth trillions of dollars.

Nvidia may be synonymous with AI, but a group of lesser-known power and cooling equipment providers is cashing in as developers rush to avoid infrastructure bottlenecks.

The energy-hungry data centers have created a surge of demand for equipment from transformers to advanced cooling systems. This has created winners throughout Asia's supply chains, though earlier stock price gains have moderated.

McKinsey predicts that data centres will be worth $7 trillion by 2030. Nvidia said 'last week' it expected AI spending to continue for many years.

It is getting harder to build data centres quickly enough to meet the demand. According to Pivotale AI, hyperscalers want their facilities in six months. However, grid connection delays in emerging markets can be as long as eight years and as much as 24 months.

Wing Kin Cheung is the CEO of digital service provider BodaData. He said, "Outside industry circles, people talk about (graphics processor units), but inside the circle people will most likely ask you about the lead times for generators and transformators."

Transformers are used to convert grid electricity into a level suitable for cooling systems, power distribution units and servers.

AI SCRUTINY DEPENDS

The demand for transformers from leading suppliers, including South Korea's Hainan Jinpan Smart Technology and China's HD Han?Electric, is expected to increase in the first half 2026 due to AI infrastructure projects in North America.

HD Hyundai Electric said recently that demand in Europe is increasing as U.S. Hyperscalers expand investments in markets such as Finland, Germany and Britain. Middle Eastern demand remains strong.

The company's order backlog increased 23% from the previous six months to $8.5 billion by June 30, and said that it expected data centre demand to continue to be robust.

The company said that it has a backlog of orders covering more than 3 years. "A substantial portion of the production capacity for major equipment is secured for the next three years," they added.

We are also in discussions with key customers about orders for volumes scheduled to be delivered as far as 2030.

Jinpan's new data centre orders have quadrupled in the first six months compared to a year ago, and its backlog has nearly tripled.

Equipment makers also bet on technologies that improve efficiency and reduce environmental impacts as AI chips consume greater amounts of electricity. This is in response to the growing scrutiny from the public over data centres' water and electricity consumption.

Bank of America estimated that?power consumption for each AI rack may reach more than 1.5 Megawatts at the end of 2030. This is nearly 100 times higher than a conventional rack.

Solid-state transformers (SST) are a technology that is gaining more attention. They replace bulky copper and magnetic coils with semiconductors for the purpose of transforming and routing electricity.

UBS believes SSTs can increase energy efficiency by 4%, and lower costs. The bank estimates that commercial adoption is still in its infancy, but they expect their penetration to reach 40% by 2030. They also predict that Chinese companies are likely to gain market share due to their technological expertise and lower costs.

HD Hyundai Electric, Jinpan and Taiwan's Delta Electronics are all working to develop SSTs.

Delta said that the demand for AI infrastructure solutions, such as cooling, power and data centres, remains strong. To meet this demand, it has expanded its production footprint in Thailand, China, and the U.S.

COOLING RACE

As operators struggle to control the heat generated by powerful AI chip, cooling systems are becoming a growing area.

Matty Zhao is the Asia-Pacific Head of Research for Basic Materials, Oil and Gas at Bank of America.

By 2030, liquid cooling is expected to account for 70% of new AI data centres compared to air cooling. This is up from 30% today. McKinsey claims that liquid cooling can reduce energy use by more than 27%.

Developers also explore unconventional approaches such as floating facilities, undersea data centres, and servers in tunnels or caves.

This opens up opportunities for a wider range of suppliers.

HD Hyundai Electric stated that new opportunities for marine medium-speed engine sales are opening up with the growth of the data center self generation market and the floating data centers.

Delta, local competitors Asia Vital Components, Auras Technology and Shenzhen Envicool Technology as well as China’s Shenzhen Envicool Technology are all benefiting from the strong demand for thermal management products. All of these companies are part of Nvidia’s ecosystem.

Supply Chain Constraints

Investors are questioning the high valuations of stocks amid increased competition, despite a surge in orders.

Delta's shares have risen by more than 90% in the past year. HD Hyundai Electric has remained largely flat after a gain of over 100% last year. China's Jinpan has fallen by nearly 30%, while Envicool is down 20%. Both companies had soared 118% and 244% in 2025.

Delta Chairman Ping Cheng stated in July that "even if revenues increase, I believe gross margins will likely remain at this level."

There are many factors in the market including new product platforms and deployment delays, as well as component shortages. These issues could become more serious by the second half this year.

Zhao, a Bank of America spokesperson, said that investors need to be aware of possible risks.

She said, "Not everyone wins." You have to cherry-pick the leaders that get the actual customers.

(source: Reuters)