Spanish electrical equipment manufacturer Arteche Lantegi Elkartea SA (<a href="https://www.bmegrowth.es/esp/Ficha/ARTECHE_ES0105521001.aspx" target="_blank">BME:ART</a>) announced on Friday that it has entered the energy storage market through a strategic investment in Teraloop Oy, a Finnish company specialising in flywheel-based power management and storage solutions.