A decade ago, China used low prices to dominate solar manufacturing, wiping out Western competitors just as worldwide demand for panels started to soar. The US and Europe are determined not to let the same thing happen with hydrogen.
As the world sprints to decarbonize, the next round of competition revolves around a device called an electrolyzer. Plug these into clean electricity, such as solar power, and it is possible to extract hydrogen from water without producing any planet-warming emissions.
That is a crucial step in creating a green fuel capable of decarbonizing such industries as steel, cement or shipping.
Illustration: Mountain People
Companies around the world are revving up electrolyzer production, green hydrogen plants are under construction, and the industry is making the leap from pilot projects to industrial scale. BloombergNEF (BNEF), a clean energy research group, estimates worldwide electrolyzer production would need to grow 91 times by 2030 to meet demand.
However, many Western clean tech veterans eye the emerging competition with a queasy feeling of deja vu.
More than 40 percent of all electrolyzers made today come from China, BNEF data showed.
Chinese electrolyzers are not as efficient as those made in the US or Europe, but they cost far less — about one-quarter of what Western companies charge.
Chinese electrolyzer companies still largely serve the domestic market, but they are starting to expand sales overseas.
“I’ve heard too many government officials say we cannot repeat the experience of solar again,” BNEF hydrogen analyst Wang Xiaoting (王瀟婷) said.
US President Joe Biden served as US vice president during the crucial years when China seized the lead in solar manufacturing. Now he views China as a competitor more than a supplier, and he has made bringing clean tech manufacturing back to the US a pillar of his climate policies.
The US is determined not to let China control this new energy boom, and the US’ Inflation Reduction Act, which Biden signed into law, showers money on domestic hydrogen production.
“The reality is the US is going to give very generous subsidies to ensure that local suppliers survive,” Wang said.
Europe has its own reasons for wanting a piece of this nascent industry.
Russia’s invasion of Ukraine has driven home the value of fuel that can be produced within Europe, and it has ramped up the continent’s ambitions for hydrogen.
And yet, some hydrogen advocates say the EU is not following through, putting it at a disadvantage to the US and China.
The bloc has set a target for green hydrogen production — 10 million tonnes per year by 2030 — but has not yet decided which methods would qualify as “green.” That makes it hard for companies to commit to the big hydrogen production projects that would drive electrolyzer orders.
“I’m scared the market shares in the electrolyzer business will be taken away from Europe and shipped to other geographies,” said Jorgo Chatzimarkakis, chief executive officer of the Brussels-based lobbying group Hydrogen Europe. “The EU are shooting themselves in the head. Not in the foot — in the head.”
Meanwhile, many analysts expect the efficiency of Chinese electrolyzers to improve, eroding any technological advantage US and European companies now have.
“I have no doubt that China is working on better electrolyzers,” said Bridget van Dorsten, senior hydrogen analyst at research and consulting firm Wood Mackenzie. “The day that China decides not to be a laggard anymore is the day they aren’t a laggard anymore.”
Some Chinese companies have a head start. Chemical equipment manufacturers there have made electrolyzers for years, installing large-scale water electrolysis systems for various manufacturing industries such as polysilicon production for solar cells.
Electrolyzers use electricity to split water into hydrogen and oxygen, and versions of them have been on the market since the 1920s. Many countries now see hydrogen as the best bet for decarbonizing industries that cannot easily run on electricity. If an electrolyzer’s power comes from a solar or wind facility, or a nuclear reactor, the process of producing the hydrogen is also carbon-free.
The devices come in several varieties, each with its pros and cons. Chinese companies mostly produce “alkaline” electrolyzers that have low up-front costs, but need more electricity than competing technologies to yield each kilogram of hydrogen. US and European companies focus on “solid oxide” and “proton-exchange membrane” (PEM) electrolyzers that have a higher initial cost, but need less electricity — a big selling point in places where electricity is expensive.
However, Chinese manufacturers are developing PEM electrolyzers and refining their alkaline products, and they are eyeing foreign markets for growth.
Xian, China-based Longi Green Energy Technology Co, the world’s largest solar equipment maker, set up a hydrogen unit in March 2021 and has built 1.5 gigawatts of electrolyzer manufacturing capacity in the country.
It is developing PEM electrolyzers, but predicts that alkaline models would dominate the industry for the next five years, said Wang Yingge (王英歌), vice president of Longi’s hydrogen unit.
Within three years, the company expects foreign markets to make up more than half of its sales, he said.
“Europe and the US have the most proactive incentive policies for the hydrogen industry, while the Middle East and Africa have the largest scale and most economical renewable energy,” Wang Yingge said. “Green hydrogen projects in these regions have good profitability.”
Meanwhile, state-owned Peric Hydrogen Technologies Co last year received orders from seven foreign countries, including Australia, the US and South Korea, BNEF data showed.
Shandong Saikesaisi Hydrogen Energy Co, one of the few Chinese manufacturers to specialize in PEM, sees about 10 to 15 percent of its sales overseas, said Huang Fang, a project director of the company.
It is aiming to improve that percentage amid demand from Europe and Australia, Huang said.
While the electrolyzer is as essential to green hydrogen as the solar cell is to solar power, there are key differences.
Solar panels are essentially an off-the-shelf technology. Whether they are set up on a rooftop or assembled in a giant desert array, the panels and the systems connected to them do not vary much.
That is not the case with hydrogen production. Electrolyzers are just one part of a hydrogen production plant, whose size and design is dictated by its energy source and customer needs.
Plug Power Inc is building a fleet of green hydrogen production plants in the US, and each is unique, Plug CEO Andy Marsh said.
“The plant in Texas is different from the plant in New York, which is different from the plant in Georgia,” he said. “It’s all very local.”
Plug, based in Latham, New York, also makes and sells PEM electrolyzers.
There are advantages to making electrolyzers within the market they are intended to serve.
Belgium-based John Cockerill Group established a joint venture in China — Cockerill Jingli Hydrogen — to make electrolyzers for China, rather than for other countries. The company is also investing in two factories in Europe, as well as potentially the US and India.
The equipment is complex and heavy, requiring significant on-site customization for each customer, said Raphael Tilot, head of Cockerill Group’s hydrogen unit.
“Transporting this from China to other parts of the world isn’t that straightforward,” he said. “The level of on-site work to make it compatible with the client’s project is quite significant.”
While China’s solar industry enjoyed years of generous subsidies from the Chinese government, which helped equipment makers dominate the global supply chain, hydrogen has yet to see the same level of policy support. The country introduced its first state-level plan for hydrogen development early last year, but refrained from instituting any financial support policies, such as subsidies, crushing hopes from equipment manufacturers.
Meanwhile, Roeland Baan, CEO of Denmark-based Topsoe A/S, said Washington’s incentive system is easier to navigate than the EU’s.
His company is developing a 500-megawatt factory to produce solid-oxide electrolyzers, which operate at high temperatures and are more efficient than alkaline or PEM units.
“We decided to put our plant in Denmark,” Baan said. “For the second plant, we’ll have to see. It might definitely be in the US.”
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