Top 5 Advanced Flywheel Energy Storage
These startups have the potential to multiply, are in a good market position, or can introduce game-changing energy storage tech to the market in the
Our flywheel energy storage device is built to meet the needs of utility grid operators and C&I buildings. Torus Spin, our flywheel battery, stores energy kinetically. In doing so, it avoids many of the limitations of chemical batteries.
They can be installed at the transmission or distribution levels or even in remote connected or isolated grids. The modular and distributed architecture of Beacon flywheel energy storage systems allows flexibility in power capacity as well as siting. A single flywheel module easily connects to others, allowing for incremental storage expansion.
Power electronics connect the flywheel to the grid or local load. When electricity is supplied, the motor accelerates the rotor, storing energy as rotational kinetic energy. When electricity is required, the generator decelerates the rotor, converting the kinetic energy back into electrical energy.
Flywheel systems typically achieve round-trip efficiencies of 70–90%. Losses occur from friction, magnetic drag, and electrical conversion. Unlike chemical batteries, flywheels self-discharge more quickly, making them better suited for short-term storage rather than long-duration energy shifting.
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