Valencia-based start-up Matteco has raised EUR 15 million (USD 16.2m) in a Series A funding round to support the imminent <a href="https://renewablesnow.com/news/interview-matteco-to-open-1-gw-factory-for-electrolyser-catalysts-in-spain-852232/" target="_blank">opening of its factory</a> for catalysts and electrodes used for green hydrogen production and its subsequent expansion to a capacity of 1 GW per year.