Japan plans to invest 15 trillion yen ($107.5 billion) over the next 15 years to supply the country with hydrogen, the government said on June 6, as it accelerates efforts to use the gas to shift to a low carbon economy.

Around the world, countries are competing to develop hydrogen as a means of reducing emissions in some of the most difficult industries to decarbonize, such as steel production and chemical manufacture, and because of its potential usefulness in cleaning up the energy sector.

Japan, which first published its Basic Hydrogen Strategy in 2017, on June 6 announced a revised target to boost hydrogen supply to 12 million tonnes a year by 2040.

The initial plan called for hydrogen supply in Japan to reach 3 million tonnes annually by 2030 from 2 million tonnes now.

By 2050, Japan aims for around 20 million tonnes when it expects the global hydrogen market to generate $2.5 trillion in annual revenue.

Of the 15 trillion yen, the government plans to provide 6-8 trillion yen and for the remainder to come from the private sector, the industry ministry said.

The plan also aims to help Japanese companies to play a central role in providing the electrolyzers needed to produce hydrogen from water.

It sets a target for Japanese-affiliated companies domestically and abroad to have a total of 15 gigawatts of electrolyzer capacity by the end of this decade from less than 1 GW now.

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