TWEFDA Ltd is a technology company developing a patent-pending ocean device, the ES-Wave which, with an outstanding performance, can either generate unprecedented levels of tides and waves energy or store large amounts of energy offshore (reducing transmission losses) bringing flexibility to help balance the Grid in an ecosystem designed to reduce costs, that improves access, safety and efficiency for a transition to a fully decarbonised world. There are other business streams highlighting licensing technology for the different parts of the system in different parts of the world, consultancy, and design and licensing for other technologies.