Material Insights · Understanding the Material World

Flywheels and small mechanical stores: Overview

Spinning rotors that steady the grid in seconds

What this tile covers Spinning rotors that store motion, and springs and hydraulic accumulators.

Key facts

DurationSeconds to minutes
ChainElectrical → motor → spinning rotor → generator → electrical

Included from the reference tables

  • Steel and carbon-fibre flywheels
  • Springs and elastic stores
  • Hydraulic accumulators

Also in Mechanical

PHS Pumped hydro storageGrv Gravity storageCAES Compressed-air and CO2 storageLAES Liquid air storage

Explore paths from here

More on this tile in the tabs above: science and technology, engineering and performance, economics, impact and additionality, what to track.