How do solar flares release energy from the Sun’s magnetic fields?

Solar flares are abrupt releases of magnetic energy that occur in the Sun’s atmosphere, typically near sunspot groups where magnetic fields are complex and intense.12

The process of energy release is driven by the configuration of these magnetic fields:

• Energy Storage: When magnetic fields are twisted or sheared by the motion of solar material, additional energy is stored in the electrical currents that sustain these fields. This often occurs in regions with sharp magnetic gradients, such as $\delta$ spots, where magnetic field lines of opposite polarity are squeezed together.21
• Cataclysmic Release: The stored magnetic energy is released when the field undergoes a structural reconfiguration. While the specific mechanism is complex, it involves the acceleration of vast numbers of electrons and ions to high energies. This process is often associated with magnetic reconnection, a physical mechanism that can explosively convert magnetic energy into the kinetic energy of plasma.23
• Energy Distribution: Most of this energy initially goes into high-energy particles. These particles subsequently heat the solar atmosphere, producing superhot clouds of gas that emit intense X-rays, or they travel into interplanetary space.12