First Kinetic Energy Storage Unit by STORNETIC Put Into Commercial Operation

Munich Municipal Utilities use the new system as part of their virtual power plant

JULICH, Germany and MUNICH, Nov. 17, 2015 -- STORNETIC announces the ground-breaking commissioning of its first kinetic energy storage unit. The new device has been put into commercial operation by Munich Municipal Utilities (Stadtwerke München) within their virtual power plant. In view of rapidly-changing conditions in the electricity market, energy storage units are universally considered a key tool in the sustainable stabilisation of electrical grids.

"We are tremendously proud to work with the first power plant in the world to place an energy storage unit in operation based on multiple flywheels," says STORNETIC Managing Director, Rainer vor dem Esche. "Our approach combines the advantages of mechanical energy storage units, such as sturdiness and endurance, with the advantages of container solutions such as modularity, rapid installation and mobility."

"The USA provide the most advanced regulation and boundary conditions worldwide for the commercial use of modern energy storage systems," Rainer vor dem Esche continues. "With regard to these promising conditions and the growing demand for reliable frequency regulation we are now looking forward to supporting US utilities with our technology."

Velocities of up to 45,000 rpms

The 'DuraStor' energy storage unit by STORNETIC generates up to 600 kVA at approximately 100 kWh. The unit consists of 28 flywheels which can be accelerated to velocities of up to 45,000 rpms. The accumulator is purely kinetic, i.e. it functions entirely without the use of chemicals. Instead electrical energy is stored as mechanical energy by means of an accelerating rotor. During recycling, the motor acts as a generator, producing electrical energy by decelerating the rotor.

STORNETIC develops, manufactures and markets energy storage systems. The flywheel-based energy storage unit enables STORNETIC clients to transform electrical energy into rotation energy and store it.

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