Retrofitting existing gas-fired power plants to hydrogen, which is also a business model eyed by several energy firms in the Philippines for their mid-century net zero targets, could take five to seven years, according to an expert from a Japanese global engineering firm.
“Hydrogen is still expensive … one-third of the cost is the hydrogen itself. But the upfront cost is not as expensive compared to petrochemical plants,” Morimoto said; qualifying though that as the technology matures commercially, the cost of conversion may eventually turn more cost-competitive. Morimoto reckoned though that “if we talk about 100-percent hydrogen for the gas turbine, technology development is still ongoing – in that case, I think you just need to replace the gas turbines using hydrogen.”
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