STORNETIC GmbH (Energy Storage) is the subsidiary of an internationally acting energy company with more than 50 years of experience in high speed rotation. Based on this know-how STORNETIC develops and produces the EnWheel®, a flywheel energy storage system with a carbon fibre high speed rotor technology. The EnWheel® is a durable, load cycle resistant and temperature insensitive short term storage system for stationary applications. Stornetic also supplies DuraStore®, a plug-in storage systems scalable from kW to MW. Beside ancillary services Durastore® can also be used for microgrid and wind-firming applications. In combination with power plants this technology increases the power plant flexibility and agility enabling the supply of more valuable frequency regulation services.