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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 also cashing in on the global data center construction boom 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.

The AI Scrutiny Deepens

The demand for transformers from leading suppliers, including South Korea's HD Hyundai Electric as well as China's Hainan Jinpan Smart Technology, 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 was increasing as U.S. Hyperscalers increased investments in markets such as Finland, Germany, and Britain. Middle East demand also remained strong.

The order backlog increased by 23% from the previous six-month period to $8.5 billion. It predicted that data centres would account for 16%, up from 6,3% of new orders in its power business next year.

In the first half of this year, Jinpan's new data centre orders more than quadrupled compared to a year ago, and its backlog almost tripled.

Equipment makers also bet on technologies that improve efficiency and reduce environmental impacts. This is because AI chips are consuming more electricity.

Bank of America, citing Nvidia’s roadmap, estimates that power consumption per AI rack will 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 Chairman Ping Cheng stated in July that "it is fundamentally a gateway to energy, which requires an entirely different design and power architecture." "Adoption is going to take some time."

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 director of?research in basic materials, oil, and gas at Bank of America.

By 2030, liquid cooling is expected to account for 70% of all new AI data centres compared to air cooling. This represents a significant increase from the current 30%. McKinsey claims that liquid cooling can reduce energy use by over 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 engines are opening up with the expansion of the data center self generation and floating data center markets.

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

Supply Chain Constraints

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

Delta's shares have risen by more than 90% in the past year. HD Hyundai Electric, however, has been largely flat after a year of gains that exceeded 100%. China's Envicool and Jinpan have dropped by nearly 30% and 20 %, respectively, following gains of 118% and 244%.

Delta's Cheng stated, "Even?if revenue increases I think 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)