Journal
ENERGIES
Volume 16, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/en16114338
Keywords
green hydrogen; electrolysis technology; learning curves; learning rates
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The paper forecasts future green hydrogen costs based on the multicomponent learning curves approach. The study finds that the learning rates for electrolyzers and renewable energy range from 4% to 14.44%. Government support is needed to accelerate electrolysis technology development and achieve decarbonization goals by 2050.
Hydrogen energy is expected to become one of the most efficient ways to decarbonize global energy and transportation systems. Green hydrogen production costs are currently high but are likely to decline due to the economy of scale and learning-by-doing effects. The purpose of this paper is to forecast future green hydrogen costs based on the multicomponent learning curves approach. The study investigates the learning curves for the main components in hydrogen value chains: electrolyzers and renewable energy. Our findings estimate the learning rates in the production of PEM and AE electrolyzers as 4%, which is quite conservative compared to other studies. The estimations of learning rates in renewable energy electricity generation range from 14.28 to 14.44% for solar-based and 7.35 to 9.63% for wind-based production. The estimation of the learning rate in green hydrogen production ranges from 4% to 10.2% due to uncertainty in data about the cost structure. The study finds that government support is needed to accelerate electrolysis technology development and achieve decarbonization goals by 2050.
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