An oscillating water column (OWC) is a device used to harness energy from ocean waves. It consists of a chamber partially submerged in water, where waves cause the water level to rise and fall. This movement creates pressure changes that can drive air through a turbine, generating electricity. OWCs are part of the broader field of wave energy conversion, which aims to capture the energy produced by ocean waves. They are considered a renewable energy source, contributing to sustainable energy solutions while minimizing environmental impact.