Water electrolysis – a promising remedy for the off-grid solar energy storage problem

EU-funded researchers have demonstrated cutting-edge water electrolysis technology that offers a viable way to store renewable solar energy in the form of hydrogen fuel.

Renewable energy sources such as solar suffer from supply and demand imbalances: they produce a surplus of unused energy during the summer months when electricity demand is low, and provide limited energy during the winter months when electricity demand peaks.

To overcome this challenge, renewables must be supplemented with energy sources that can instantly fill the gaps in energy supply and demand.

Hydrogen production provides this much-needed solution for storing renewable energy. If solar power is used, hydrogen production is in itself a clean process.

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