Tuesday , August 4 2020

French firms find greener way to make hydrogen


As the European Union launches a new push to make hydrogen one of the clean fuels of the future, two French industrial giants say they’ve found the right project to rapidly scale up the nascent industry.
Engie SA and Air Liquide SA want to build solar farms big enough to power 450,000 homes in France’s sun-drenched Provence region, with enough electricity left over to produce hydrogen by electrolysing water.
Some of the clean-burning gas would be sold to refineries and chemicals makers in Fos-sur-Mer, curbing their emissions of carbon dioxide.
The “HyGreen Provence” project would produce renewable hydrogen on a much bigger scale than anywhere else, and trim CO2 emissions that come from the refining and petrochemical complex. The French industrial sector uses about 1 million tons of hydrogen each year, and the government would like between 20% to 40% of this to be carbon-free by 2028.
But the companies need government subsidies to do it. While producing so-called green hydrogen, which is done using water electrolysis and emits no CO2, it costs about three times as much as steam methane reforming — a process used by refiners which does produce the greenhouse gas.
BNEF projections of the cost of producing green hydrogen, when compared with hydrogen derived from natural gas.
“For the project to work, we need support from the state and incentives for companies to switch to green hydrogen,” Gwenaelle Avice-Huet, Engie’s head of renewables, said in an interview. “We need to scale up with projects of significant sizes to lower costs.”
The European Union said the hydrogen industry will benefit from stimulus packages to revive the economies of its member states which have been hit hard by the coronavirus pandemic. Using hydrogen will also accelerate the energy transition and help reach the bloc’s goal of becoming carbon neutral by 2050. That backing is giving companies confidence that they’ll be able to produce cost-competitive hydrogen by the end of the decade.
In 2018, France committed just $113 million to subsidise the purchase of vehicles powered by hydrogen, but it’s expected to present a much more ambitious plan in the coming months. “In the stimulus package, we will massively invest in research and production of hydrogen in France,” French Finance Minister Bruno Le Maire said on Europe 1 radio. It “may be the new energy” that will power trucks and trains. The HyGreen Provence project would initially be connected to a salt-cavern storage site and the gas grid, and fuel local fleets of electric buses and trucks. Its electrolysis capacity would be ramped up to as much as 250 megawatts by 2026.
“We need to finance large pilot projects to demonstrate their viability,” said Pierre-Etienne Franc, the head of the hydrogen business at Air Liquide, the world’s second-largest maker of industrial gases. The company is also seeking government subsidies to develop large electrolysers to supply big users including steelmakers, and liquefaction plants to truck the gas to smaller customers.
“Developing a supply chain based on liquid hydrogen to transport the fuel to end-users, in places where building an electrolyser on site wouldn’t be competitive, is key,” Franc said.

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