Electrification and automation company ABB Ltd (<a href="https://www.six-group.com/en/market-data/shares/share-explorer/share-details.CH0012221716CHF4.html#/" target="_blank">VTX:ABBN</a>) said Thursday it has made a strategic minority investment in HESStec, Spanish company focused on hybridised energy storage system (HESS) and battery energy storage system (BESS) applications.